diff --git a/sdk/storage/azure-storage-blob/azure/storage/blob/_blob_client.py b/sdk/storage/azure-storage-blob/azure/storage/blob/_blob_client.py
index db4273e7ee3a..3390840d9203 100644
--- a/sdk/storage/azure-storage-blob/azure/storage/blob/_blob_client.py
+++ b/sdk/storage/azure-storage-blob/azure/storage/blob/_blob_client.py
@@ -18,6 +18,7 @@
 
 import six
 from azure.core.tracing.decorator import distributed_trace
+from azure.core.exceptions import ResourceNotFoundError
 
 from ._shared import encode_base64
 from ._shared.base_client import StorageAccountHostsMixin, parse_connection_str, parse_query
@@ -929,6 +930,31 @@ def undelete_blob(self, **kwargs):
         except StorageErrorException as error:
             process_storage_error(error)
 
+    @distributed_trace()
+    def exists(self, **kwargs):
+        # type: (**Any) -> bool
+        """
+        Returns True if a blob exists with the defined parameters, and returns
+        False otherwise.
+
+        :param str version_id:
+            The version id parameter is an opaque DateTime
+            value that, when present, specifies the version of the blob to check if it exists.
+        :param int timeout:
+            The timeout parameter is expressed in seconds.
+        :returns: boolean
+        """
+        try:
+            self._client.blob.get_properties(
+                snapshot=self.snapshot,
+                **kwargs)
+            return True
+        except StorageErrorException as error:
+            try:
+                process_storage_error(error)
+            except ResourceNotFoundError:
+                return False
+
     @distributed_trace
     def get_blob_properties(self, **kwargs):
         # type: (**Any) -> BlobProperties
diff --git a/sdk/storage/azure-storage-blob/azure/storage/blob/aio/_blob_client_async.py b/sdk/storage/azure-storage-blob/azure/storage/blob/aio/_blob_client_async.py
index d88075ae87b9..49674227f6de 100644
--- a/sdk/storage/azure-storage-blob/azure/storage/blob/aio/_blob_client_async.py
+++ b/sdk/storage/azure-storage-blob/azure/storage/blob/aio/_blob_client_async.py
@@ -11,6 +11,7 @@
 )
 
 from azure.core.tracing.decorator_async import distributed_trace_async
+from azure.core.exceptions import ResourceNotFoundError
 
 from .._shared.base_client_async import AsyncStorageAccountHostsMixin
 from .._shared.policies_async import ExponentialRetry
@@ -30,6 +31,7 @@
 from ._lease_async import BlobLeaseClient
 from ._download_async import StorageStreamDownloader
 
+
 if TYPE_CHECKING:
     from datetime import datetime
     from .._models import (  # pylint: disable=unused-import
@@ -459,6 +461,31 @@ async def undelete_blob(self, **kwargs):
         except StorageErrorException as error:
             process_storage_error(error)
 
+    @distributed_trace_async
+    async def exists(self, **kwargs):
+        # type: (**Any) -> bool
+        """
+        Returns True if a blob exists with the defined parameters, and returns
+        False otherwise.
+
+        :param str version_id:
+            The version id parameter is an opaque DateTime
+            value that, when present, specifies the version of the blob to check if it exists.
+        :param int timeout:
+            The timeout parameter is expressed in seconds.
+        :returns: boolean
+        """
+        try:
+            await self._client.blob.get_properties(
+                snapshot=self.snapshot,
+                **kwargs)
+            return True
+        except StorageErrorException as error:
+            try:
+                process_storage_error(error)
+            except ResourceNotFoundError:
+                return False
+
     @distributed_trace_async
     async def get_blob_properties(self, **kwargs):
         # type: (Any) -> BlobProperties
diff --git a/sdk/storage/azure-storage-blob/tests/recordings/test_blob_access_conditions.test_if_blob_exists.yaml b/sdk/storage/azure-storage-blob/tests/recordings/test_blob_access_conditions.test_if_blob_exists.yaml
new file mode 100644
index 000000000000..4cd261819afe
--- /dev/null
+++ b/sdk/storage/azure-storage-blob/tests/recordings/test_blob_access_conditions.test_if_blob_exists.yaml
@@ -0,0 +1,730 @@
+interactions:
+- request:
+    body: null
+    headers:
+      Accept:
+      - '*/*'
+      Accept-Encoding:
+      - gzip, deflate
+      Connection:
+      - keep-alive
+      Content-Length:
+      - '0'
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:53 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: PUT
+    uri: https://storagename.blob.core.windows.net/utcontainerccc51342?restype=container
+  response:
+    body:
+      string: ''
+    headers:
+      content-length:
+      - '0'
+      date:
+      - Fri, 04 Sep 2020 18:46:52 GMT
+      etag:
+      - '"0x8D85102E4833C1D"'
+      last-modified:
+      - Fri, 04 Sep 2020 18:46:53 GMT
+      server:
+      - Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-version:
+      - '2019-12-12'
+    status:
+      code: 201
+      message: Created
+- request:
+    body: hello world
+    headers:
+      Accept:
+      - '*/*'
+      Accept-Encoding:
+      - gzip, deflate
+      Connection:
+      - keep-alive
+      Content-Length:
+      - '11'
+      Content-Type:
+      - application/octet-stream
+      If-None-Match:
+      - '*'
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-blob-type:
+      - BlockBlob
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: PUT
+    uri: https://storagename.blob.core.windows.net/utcontainerccc51342/blob1
+  response:
+    body:
+      string: ''
+    headers:
+      content-length:
+      - '0'
+      content-md5:
+      - XrY7u+Ae7tCTyyK7j1rNww==
+      date:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      etag:
+      - '"0x8D85102E49BFD6D"'
+      last-modified:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      server:
+      - Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-content-crc64:
+      - vo7q9sPVKY0=
+      x-ms-request-server-encrypted:
+      - 'true'
+      x-ms-version:
+      - '2019-12-12'
+      x-ms-version-id:
+      - '2020-09-04T18:46:54.0137837Z'
+    status:
+      code: 201
+      message: Created
+- request:
+    body: null
+    headers:
+      Accept:
+      - '*/*'
+      Accept-Encoding:
+      - gzip, deflate
+      Connection:
+      - keep-alive
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: HEAD
+    uri: https://storagename.blob.core.windows.net/utcontainerccc51342/blob1
+  response:
+    body:
+      string: ''
+    headers:
+      accept-ranges:
+      - bytes
+      content-length:
+      - '11'
+      content-md5:
+      - XrY7u+Ae7tCTyyK7j1rNww==
+      content-type:
+      - application/octet-stream
+      date:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      etag:
+      - '"0x8D85102E49BFD6D"'
+      last-modified:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      server:
+      - Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-access-tier:
+      - Hot
+      x-ms-access-tier-inferred:
+      - 'true'
+      x-ms-blob-type:
+      - BlockBlob
+      x-ms-creation-time:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      x-ms-is-current-version:
+      - 'true'
+      x-ms-lease-state:
+      - available
+      x-ms-lease-status:
+      - unlocked
+      x-ms-server-encrypted:
+      - 'true'
+      x-ms-version:
+      - '2019-12-12'
+      x-ms-version-id:
+      - '2020-09-04T18:46:54.0137837Z'
+    status:
+      code: 200
+      message: OK
+- request:
+    body: this is test content
+    headers:
+      Accept:
+      - '*/*'
+      Accept-Encoding:
+      - gzip, deflate
+      Connection:
+      - keep-alive
+      Content-Length:
+      - '20'
+      Content-Type:
+      - application/octet-stream
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: PUT
+    uri: https://storagename.blob.core.windows.net/utcontainerccc51342/blob1?blockid=MQ%3D%3D&comp=block
+  response:
+    body:
+      string: ''
+    headers:
+      content-length:
+      - '0'
+      date:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      server:
+      - Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-content-crc64:
+      - wae/Ns62JRA=
+      x-ms-request-server-encrypted:
+      - 'true'
+      x-ms-version:
+      - '2019-12-12'
+    status:
+      code: 201
+      message: Created
+- request:
+    body: '<?xml version=''1.0'' encoding=''utf-8''?>
+
+      <BlockList><Latest>MQ==</Latest></BlockList>'
+    headers:
+      Accept:
+      - '*/*'
+      Accept-Encoding:
+      - gzip, deflate
+      Connection:
+      - keep-alive
+      Content-Length:
+      - '83'
+      Content-Type:
+      - application/xml; charset=utf-8
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: PUT
+    uri: https://storagename.blob.core.windows.net/utcontainerccc51342/blob1?comp=blocklist
+  response:
+    body:
+      string: ''
+    headers:
+      content-length:
+      - '0'
+      date:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      etag:
+      - '"0x8D85102E4E26222"'
+      last-modified:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      server:
+      - Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-content-crc64:
+      - iEgKfcNWGmY=
+      x-ms-request-server-encrypted:
+      - 'true'
+      x-ms-version:
+      - '2019-12-12'
+      x-ms-version-id:
+      - '2020-09-04T18:46:54.4761138Z'
+    status:
+      code: 201
+      message: Created
+- request:
+    body: null
+    headers:
+      Accept:
+      - '*/*'
+      Accept-Encoding:
+      - gzip, deflate
+      Connection:
+      - keep-alive
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: HEAD
+    uri: https://storagename.blob.core.windows.net/utcontainerccc51342/blob1
+  response:
+    body:
+      string: ''
+    headers:
+      accept-ranges:
+      - bytes
+      content-length:
+      - '20'
+      content-type:
+      - application/octet-stream
+      date:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      etag:
+      - '"0x8D85102E4E26222"'
+      last-modified:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      server:
+      - Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-access-tier:
+      - Hot
+      x-ms-access-tier-inferred:
+      - 'true'
+      x-ms-blob-type:
+      - BlockBlob
+      x-ms-creation-time:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      x-ms-is-current-version:
+      - 'true'
+      x-ms-lease-state:
+      - available
+      x-ms-lease-status:
+      - unlocked
+      x-ms-server-encrypted:
+      - 'true'
+      x-ms-version:
+      - '2019-12-12'
+      x-ms-version-id:
+      - '2020-09-04T18:46:54.4761138Z'
+    status:
+      code: 200
+      message: OK
+- request:
+    body: null
+    headers:
+      Accept:
+      - '*/*'
+      Accept-Encoding:
+      - gzip, deflate
+      Connection:
+      - keep-alive
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:55 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: HEAD
+    uri: https://storagename.blob.core.windows.net/utcontainerccc51342/blob1?versionid=2020-09-04T18%3A46%3A54.0137837Z
+  response:
+    body:
+      string: ''
+    headers:
+      accept-ranges:
+      - bytes
+      content-length:
+      - '11'
+      content-md5:
+      - XrY7u+Ae7tCTyyK7j1rNww==
+      content-type:
+      - application/octet-stream
+      date:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      etag:
+      - '"0x8D85102E49BFD6D"'
+      last-modified:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      server:
+      - Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-access-tier:
+      - Hot
+      x-ms-access-tier-inferred:
+      - 'true'
+      x-ms-blob-type:
+      - BlockBlob
+      x-ms-creation-time:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      x-ms-server-encrypted:
+      - 'true'
+      x-ms-version:
+      - '2019-12-12'
+      x-ms-version-id:
+      - '2020-09-04T18:46:54.0137837Z'
+    status:
+      code: 200
+      message: OK
+- request:
+    body: null
+    headers:
+      Accept:
+      - '*/*'
+      Accept-Encoding:
+      - gzip, deflate
+      Connection:
+      - keep-alive
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:55 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: HEAD
+    uri: https://storagename.blob.core.windows.net/utcontainerccc51342/blob1?versionid=2020-09-04T18%3A46%3A54.4761138Z
+  response:
+    body:
+      string: ''
+    headers:
+      accept-ranges:
+      - bytes
+      content-length:
+      - '20'
+      content-type:
+      - application/octet-stream
+      date:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      etag:
+      - '"0x8D85102E4E26222"'
+      last-modified:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      server:
+      - Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-access-tier:
+      - Hot
+      x-ms-access-tier-inferred:
+      - 'true'
+      x-ms-blob-type:
+      - BlockBlob
+      x-ms-creation-time:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      x-ms-is-current-version:
+      - 'true'
+      x-ms-server-encrypted:
+      - 'true'
+      x-ms-version:
+      - '2019-12-12'
+      x-ms-version-id:
+      - '2020-09-04T18:46:54.4761138Z'
+    status:
+      code: 200
+      message: OK
+- request:
+    body: null
+    headers:
+      Accept:
+      - '*/*'
+      Accept-Encoding:
+      - gzip, deflate
+      Connection:
+      - keep-alive
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:55 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: HEAD
+    uri: https://storagename.blob.core.windows.net/utcontainerccc51342/blob1?versionid=2020-08-21T21%3A24%3A15.3585832Z
+  response:
+    body:
+      string: ''
+    headers:
+      date:
+      - Fri, 04 Sep 2020 18:46:55 GMT
+      server:
+      - Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      transfer-encoding:
+      - chunked
+      x-ms-error-code:
+      - BlobNotFound
+      x-ms-version:
+      - '2019-12-12'
+    status:
+      code: 404
+      message: The specified blob does not exist.
+- request:
+    body: null
+    headers:
+      Accept:
+      - '*/*'
+      Accept-Encoding:
+      - gzip, deflate
+      Connection:
+      - keep-alive
+      Content-Length:
+      - '0'
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:55 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: PUT
+    uri: https://storagename.blob.core.windows.net/utcontainerccc51342/blob1?comp=snapshot
+  response:
+    body:
+      string: ''
+    headers:
+      content-length:
+      - '0'
+      date:
+      - Fri, 04 Sep 2020 18:46:55 GMT
+      etag:
+      - '"0x8D85102E4E26222"'
+      last-modified:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      server:
+      - Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-request-server-encrypted:
+      - 'false'
+      x-ms-snapshot:
+      - '2020-09-04T18:46:55.2236480Z'
+      x-ms-version:
+      - '2019-12-12'
+      x-ms-version-id:
+      - '2020-09-04T18:46:55.2246480Z'
+    status:
+      code: 201
+      message: Created
+- request:
+    body: null
+    headers:
+      Accept:
+      - '*/*'
+      Accept-Encoding:
+      - gzip, deflate
+      Connection:
+      - keep-alive
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:55 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: HEAD
+    uri: https://storagename.blob.core.windows.net/utcontainerccc51342/blob1?snapshot=2020-09-04T18:46:55.2236480Z
+  response:
+    body:
+      string: ''
+    headers:
+      accept-ranges:
+      - bytes
+      content-length:
+      - '20'
+      content-type:
+      - application/octet-stream
+      date:
+      - Fri, 04 Sep 2020 18:46:55 GMT
+      etag:
+      - '"0x8D85102E4E26222"'
+      last-modified:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      server:
+      - Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-access-tier:
+      - Hot
+      x-ms-access-tier-inferred:
+      - 'true'
+      x-ms-blob-type:
+      - BlockBlob
+      x-ms-creation-time:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      x-ms-server-encrypted:
+      - 'true'
+      x-ms-version:
+      - '2019-12-12'
+    status:
+      code: 200
+      message: OK
+- request:
+    body: this is additional test content
+    headers:
+      Accept:
+      - '*/*'
+      Accept-Encoding:
+      - gzip, deflate
+      Connection:
+      - keep-alive
+      Content-Length:
+      - '31'
+      Content-Type:
+      - application/octet-stream
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:55 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: PUT
+    uri: https://storagename.blob.core.windows.net/utcontainerccc51342/blob1?blockid=MQ%3D%3D&comp=block
+  response:
+    body:
+      string: ''
+    headers:
+      content-length:
+      - '0'
+      date:
+      - Fri, 04 Sep 2020 18:46:55 GMT
+      server:
+      - Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-content-crc64:
+      - npKkArwnhSg=
+      x-ms-request-server-encrypted:
+      - 'true'
+      x-ms-version:
+      - '2019-12-12'
+    status:
+      code: 201
+      message: Created
+- request:
+    body: '<?xml version=''1.0'' encoding=''utf-8''?>
+
+      <BlockList><Latest>MQ==</Latest></BlockList>'
+    headers:
+      Accept:
+      - '*/*'
+      Accept-Encoding:
+      - gzip, deflate
+      Connection:
+      - keep-alive
+      Content-Length:
+      - '83'
+      Content-Type:
+      - application/xml; charset=utf-8
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:56 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: PUT
+    uri: https://storagename.blob.core.windows.net/utcontainerccc51342/blob1?comp=blocklist
+  response:
+    body:
+      string: ''
+    headers:
+      content-length:
+      - '0'
+      date:
+      - Fri, 04 Sep 2020 18:46:55 GMT
+      etag:
+      - '"0x8D85102E599C5B2"'
+      last-modified:
+      - Fri, 04 Sep 2020 18:46:55 GMT
+      server:
+      - Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-content-crc64:
+      - iEgKfcNWGmY=
+      x-ms-request-server-encrypted:
+      - 'true'
+      x-ms-version:
+      - '2019-12-12'
+      x-ms-version-id:
+      - '2020-09-04T18:46:55.6789721Z'
+    status:
+      code: 201
+      message: Created
+- request:
+    body: null
+    headers:
+      Accept:
+      - '*/*'
+      Accept-Encoding:
+      - gzip, deflate
+      Connection:
+      - keep-alive
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:56 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: HEAD
+    uri: https://storagename.blob.core.windows.net/utcontainerccc51342/blob1?snapshot=2020-09-04T18:46:55.2236480Z
+  response:
+    body:
+      string: ''
+    headers:
+      accept-ranges:
+      - bytes
+      content-length:
+      - '20'
+      content-type:
+      - application/octet-stream
+      date:
+      - Fri, 04 Sep 2020 18:46:55 GMT
+      etag:
+      - '"0x8D85102E4E26222"'
+      last-modified:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      server:
+      - Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-access-tier:
+      - Hot
+      x-ms-access-tier-inferred:
+      - 'true'
+      x-ms-blob-type:
+      - BlockBlob
+      x-ms-creation-time:
+      - Fri, 04 Sep 2020 18:46:54 GMT
+      x-ms-server-encrypted:
+      - 'true'
+      x-ms-version:
+      - '2019-12-12'
+    status:
+      code: 200
+      message: OK
+- request:
+    body: null
+    headers:
+      Accept:
+      - '*/*'
+      Accept-Encoding:
+      - gzip, deflate
+      Connection:
+      - keep-alive
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:56 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: HEAD
+    uri: https://storagename.blob.core.windows.net/utcontainerccc51342/blob1
+  response:
+    body:
+      string: ''
+    headers:
+      accept-ranges:
+      - bytes
+      content-length:
+      - '31'
+      content-type:
+      - application/octet-stream
+      date:
+      - Fri, 04 Sep 2020 18:46:55 GMT
+      etag:
+      - '"0x8D85102E599C5B2"'
+      last-modified:
+      - Fri, 04 Sep 2020 18:46:55 GMT
+      server:
+      - Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-access-tier:
+      - Hot
+      x-ms-access-tier-inferred:
+      - 'true'
+      x-ms-blob-type:
+      - BlockBlob
+      x-ms-creation-time:
+      - Fri, 04 Sep 2020 18:46:55 GMT
+      x-ms-is-current-version:
+      - 'true'
+      x-ms-lease-state:
+      - available
+      x-ms-lease-status:
+      - unlocked
+      x-ms-server-encrypted:
+      - 'true'
+      x-ms-version:
+      - '2019-12-12'
+      x-ms-version-id:
+      - '2020-09-04T18:46:55.6789721Z'
+    status:
+      code: 200
+      message: OK
+version: 1
diff --git a/sdk/storage/azure-storage-blob/tests/recordings/test_blob_access_conditions_async.test_if_blob_exists.yaml b/sdk/storage/azure-storage-blob/tests/recordings/test_blob_access_conditions_async.test_if_blob_exists.yaml
new file mode 100644
index 000000000000..1efaa06c1971
--- /dev/null
+++ b/sdk/storage/azure-storage-blob/tests/recordings/test_blob_access_conditions_async.test_if_blob_exists.yaml
@@ -0,0 +1,483 @@
+interactions:
+- request:
+    body: null
+    headers:
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:41 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: PUT
+    uri: https://storagename.blob.core.windows.net/utcontainer4a2315bf?restype=container
+  response:
+    body:
+      string: ''
+    headers:
+      content-length: '0'
+      date: Fri, 04 Sep 2020 18:46:40 GMT
+      etag: '"0x8D85102DCED6139"'
+      last-modified: Fri, 04 Sep 2020 18:46:41 GMT
+      server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-version: '2019-12-12'
+    status:
+      code: 201
+      message: Created
+    url: https://tamerdevtest.blob.core.windows.net/utcontainer4a2315bf?restype=container
+- request:
+    body: hello world
+    headers:
+      Content-Length:
+      - '11'
+      Content-Type:
+      - application/octet-stream
+      If-None-Match:
+      - '*'
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-blob-type:
+      - BlockBlob
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:41 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: PUT
+    uri: https://storagename.blob.core.windows.net/utcontainer4a2315bf/blob1
+  response:
+    body:
+      string: ''
+    headers:
+      content-length: '0'
+      content-md5: XrY7u+Ae7tCTyyK7j1rNww==
+      date: Fri, 04 Sep 2020 18:46:40 GMT
+      etag: '"0x8D85102DCFA8B6D"'
+      last-modified: Fri, 04 Sep 2020 18:46:41 GMT
+      server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-content-crc64: vo7q9sPVKY0=
+      x-ms-request-server-encrypted: 'true'
+      x-ms-version: '2019-12-12'
+      x-ms-version-id: '2020-09-04T18:46:41.2126852Z'
+    status:
+      code: 201
+      message: Created
+    url: https://tamerdevtest.blob.core.windows.net/utcontainer4a2315bf/blob1
+- request:
+    body: null
+    headers:
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:41 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: HEAD
+    uri: https://storagename.blob.core.windows.net/utcontainer4a2315bf/blob1
+  response:
+    body:
+      string: ''
+    headers:
+      accept-ranges: bytes
+      content-length: '11'
+      content-md5: XrY7u+Ae7tCTyyK7j1rNww==
+      content-type: application/octet-stream
+      date: Fri, 04 Sep 2020 18:46:40 GMT
+      etag: '"0x8D85102DCFA8B6D"'
+      last-modified: Fri, 04 Sep 2020 18:46:41 GMT
+      server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-access-tier: Hot
+      x-ms-access-tier-inferred: 'true'
+      x-ms-blob-type: BlockBlob
+      x-ms-creation-time: Fri, 04 Sep 2020 18:46:41 GMT
+      x-ms-is-current-version: 'true'
+      x-ms-lease-state: available
+      x-ms-lease-status: unlocked
+      x-ms-server-encrypted: 'true'
+      x-ms-version: '2019-12-12'
+      x-ms-version-id: '2020-09-04T18:46:41.2126852Z'
+    status:
+      code: 200
+      message: OK
+    url: https://tamerdevtest.blob.core.windows.net/utcontainer4a2315bf/blob1
+- request:
+    body: this is test content
+    headers:
+      Content-Length:
+      - '20'
+      Content-Type:
+      - application/octet-stream
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:41 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: PUT
+    uri: https://storagename.blob.core.windows.net/utcontainer4a2315bf/blob1?blockid=MQ%3D%3D&comp=block
+  response:
+    body:
+      string: ''
+    headers:
+      content-length: '0'
+      date: Fri, 04 Sep 2020 18:46:41 GMT
+      server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-content-crc64: wae/Ns62JRA=
+      x-ms-request-server-encrypted: 'true'
+      x-ms-version: '2019-12-12'
+    status:
+      code: 201
+      message: Created
+    url: https://tamerdevtest.blob.core.windows.net/utcontainer4a2315bf/blob1?blockid=MQ%3D%3D&comp=block
+- request:
+    body: '<?xml version=''1.0'' encoding=''utf-8''?>
+
+      <BlockList><Latest>MQ==</Latest></BlockList>'
+    headers:
+      Content-Length:
+      - '83'
+      Content-Type:
+      - application/xml; charset=utf-8
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:42 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: PUT
+    uri: https://storagename.blob.core.windows.net/utcontainer4a2315bf/blob1?comp=blocklist
+  response:
+    body:
+      string: ''
+    headers:
+      content-length: '0'
+      date: Fri, 04 Sep 2020 18:46:41 GMT
+      etag: '"0x8D85102DD486B76"'
+      last-modified: Fri, 04 Sep 2020 18:46:41 GMT
+      server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-content-crc64: iEgKfcNWGmY=
+      x-ms-request-server-encrypted: 'true'
+      x-ms-version: '2019-12-12'
+      x-ms-version-id: '2020-09-04T18:46:41.7230470Z'
+    status:
+      code: 201
+      message: Created
+    url: https://tamerdevtest.blob.core.windows.net/utcontainer4a2315bf/blob1?comp=blocklist
+- request:
+    body: null
+    headers:
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:42 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: HEAD
+    uri: https://storagename.blob.core.windows.net/utcontainer4a2315bf/blob1
+  response:
+    body:
+      string: ''
+    headers:
+      accept-ranges: bytes
+      content-length: '20'
+      content-type: application/octet-stream
+      date: Fri, 04 Sep 2020 18:46:41 GMT
+      etag: '"0x8D85102DD486B76"'
+      last-modified: Fri, 04 Sep 2020 18:46:41 GMT
+      server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-access-tier: Hot
+      x-ms-access-tier-inferred: 'true'
+      x-ms-blob-type: BlockBlob
+      x-ms-creation-time: Fri, 04 Sep 2020 18:46:41 GMT
+      x-ms-is-current-version: 'true'
+      x-ms-lease-state: available
+      x-ms-lease-status: unlocked
+      x-ms-server-encrypted: 'true'
+      x-ms-version: '2019-12-12'
+      x-ms-version-id: '2020-09-04T18:46:41.7230470Z'
+    status:
+      code: 200
+      message: OK
+    url: https://tamerdevtest.blob.core.windows.net/utcontainer4a2315bf/blob1
+- request:
+    body: null
+    headers:
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:42 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: HEAD
+    uri: https://storagename.blob.core.windows.net/utcontainer4a2315bf/blob1?versionid=2020-09-04T18:46:41.2126852Z
+  response:
+    body:
+      string: ''
+    headers:
+      accept-ranges: bytes
+      content-length: '11'
+      content-md5: XrY7u+Ae7tCTyyK7j1rNww==
+      content-type: application/octet-stream
+      date: Fri, 04 Sep 2020 18:46:41 GMT
+      etag: '"0x8D85102DCFA8B6D"'
+      last-modified: Fri, 04 Sep 2020 18:46:41 GMT
+      server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-access-tier: Hot
+      x-ms-access-tier-inferred: 'true'
+      x-ms-blob-type: BlockBlob
+      x-ms-creation-time: Fri, 04 Sep 2020 18:46:41 GMT
+      x-ms-server-encrypted: 'true'
+      x-ms-version: '2019-12-12'
+      x-ms-version-id: '2020-09-04T18:46:41.2126852Z'
+    status:
+      code: 200
+      message: OK
+    url: https://tamerdevtest.blob.core.windows.net/utcontainer4a2315bf/blob1?versionid=2020-09-04T18:46:41.2126852Z
+- request:
+    body: null
+    headers:
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:42 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: HEAD
+    uri: https://storagename.blob.core.windows.net/utcontainer4a2315bf/blob1?versionid=2020-09-04T18:46:41.7230470Z
+  response:
+    body:
+      string: ''
+    headers:
+      accept-ranges: bytes
+      content-length: '20'
+      content-type: application/octet-stream
+      date: Fri, 04 Sep 2020 18:46:42 GMT
+      etag: '"0x8D85102DD486B76"'
+      last-modified: Fri, 04 Sep 2020 18:46:41 GMT
+      server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-access-tier: Hot
+      x-ms-access-tier-inferred: 'true'
+      x-ms-blob-type: BlockBlob
+      x-ms-creation-time: Fri, 04 Sep 2020 18:46:41 GMT
+      x-ms-is-current-version: 'true'
+      x-ms-server-encrypted: 'true'
+      x-ms-version: '2019-12-12'
+      x-ms-version-id: '2020-09-04T18:46:41.7230470Z'
+    status:
+      code: 200
+      message: OK
+    url: https://tamerdevtest.blob.core.windows.net/utcontainer4a2315bf/blob1?versionid=2020-09-04T18:46:41.7230470Z
+- request:
+    body: null
+    headers:
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:42 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: HEAD
+    uri: https://storagename.blob.core.windows.net/utcontainer4a2315bf/blob1?versionid=2020-08-21T21:24:15.3585832Z
+  response:
+    body:
+      string: ''
+    headers:
+      date: Fri, 04 Sep 2020 18:46:42 GMT
+      server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      transfer-encoding: chunked
+      x-ms-error-code: BlobNotFound
+      x-ms-version: '2019-12-12'
+    status:
+      code: 404
+      message: The specified blob does not exist.
+    url: https://tamerdevtest.blob.core.windows.net/utcontainer4a2315bf/blob1?versionid=2020-08-21T21:24:15.3585832Z
+- request:
+    body: null
+    headers:
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:43 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: PUT
+    uri: https://storagename.blob.core.windows.net/utcontainer4a2315bf/blob1?comp=snapshot
+  response:
+    body:
+      string: ''
+    headers:
+      content-length: '0'
+      date: Fri, 04 Sep 2020 18:46:42 GMT
+      etag: '"0x8D85102DD486B76"'
+      last-modified: Fri, 04 Sep 2020 18:46:41 GMT
+      server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-request-server-encrypted: 'false'
+      x-ms-snapshot: '2020-09-04T18:46:43.1560641Z'
+      x-ms-version: '2019-12-12'
+      x-ms-version-id: '2020-09-04T18:46:43.1570641Z'
+    status:
+      code: 201
+      message: Created
+    url: https://tamerdevtest.blob.core.windows.net/utcontainer4a2315bf/blob1?comp=snapshot
+- request:
+    body: null
+    headers:
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:43 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: HEAD
+    uri: https://storagename.blob.core.windows.net/utcontainer4a2315bf/blob1?snapshot=2020-09-04T18:46:43.1560641Z
+  response:
+    body:
+      string: ''
+    headers:
+      accept-ranges: bytes
+      content-length: '20'
+      content-type: application/octet-stream
+      date: Fri, 04 Sep 2020 18:46:42 GMT
+      etag: '"0x8D85102DD486B76"'
+      last-modified: Fri, 04 Sep 2020 18:46:41 GMT
+      server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-access-tier: Hot
+      x-ms-access-tier-inferred: 'true'
+      x-ms-blob-type: BlockBlob
+      x-ms-creation-time: Fri, 04 Sep 2020 18:46:41 GMT
+      x-ms-server-encrypted: 'true'
+      x-ms-version: '2019-12-12'
+    status:
+      code: 200
+      message: OK
+    url: https://tamerdevtest.blob.core.windows.net/utcontainer4a2315bf/blob1?snapshot=2020-09-04T18:46:43.1560641Z
+- request:
+    body: this is additional test content
+    headers:
+      Content-Length:
+      - '31'
+      Content-Type:
+      - application/octet-stream
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:43 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: PUT
+    uri: https://storagename.blob.core.windows.net/utcontainer4a2315bf/blob1?blockid=MQ%3D%3D&comp=block
+  response:
+    body:
+      string: ''
+    headers:
+      content-length: '0'
+      date: Fri, 04 Sep 2020 18:46:42 GMT
+      server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-content-crc64: npKkArwnhSg=
+      x-ms-request-server-encrypted: 'true'
+      x-ms-version: '2019-12-12'
+    status:
+      code: 201
+      message: Created
+    url: https://tamerdevtest.blob.core.windows.net/utcontainer4a2315bf/blob1?blockid=MQ%3D%3D&comp=block
+- request:
+    body: '<?xml version=''1.0'' encoding=''utf-8''?>
+
+      <BlockList><Latest>MQ==</Latest></BlockList>'
+    headers:
+      Content-Length:
+      - '83'
+      Content-Type:
+      - application/xml; charset=utf-8
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:44 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: PUT
+    uri: https://storagename.blob.core.windows.net/utcontainer4a2315bf/blob1?comp=blocklist
+  response:
+    body:
+      string: ''
+    headers:
+      content-length: '0'
+      date: Fri, 04 Sep 2020 18:46:42 GMT
+      etag: '"0x8D85102DE756263"'
+      last-modified: Fri, 04 Sep 2020 18:46:43 GMT
+      server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-content-crc64: iEgKfcNWGmY=
+      x-ms-request-server-encrypted: 'true'
+      x-ms-version: '2019-12-12'
+      x-ms-version-id: '2020-09-04T18:46:43.6954483Z'
+    status:
+      code: 201
+      message: Created
+    url: https://tamerdevtest.blob.core.windows.net/utcontainer4a2315bf/blob1?comp=blocklist
+- request:
+    body: null
+    headers:
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:44 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: HEAD
+    uri: https://storagename.blob.core.windows.net/utcontainer4a2315bf/blob1?snapshot=2020-09-04T18:46:43.1560641Z
+  response:
+    body:
+      string: ''
+    headers:
+      accept-ranges: bytes
+      content-length: '20'
+      content-type: application/octet-stream
+      date: Fri, 04 Sep 2020 18:46:42 GMT
+      etag: '"0x8D85102DD486B76"'
+      last-modified: Fri, 04 Sep 2020 18:46:41 GMT
+      server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-access-tier: Hot
+      x-ms-access-tier-inferred: 'true'
+      x-ms-blob-type: BlockBlob
+      x-ms-creation-time: Fri, 04 Sep 2020 18:46:41 GMT
+      x-ms-server-encrypted: 'true'
+      x-ms-version: '2019-12-12'
+    status:
+      code: 200
+      message: OK
+    url: https://tamerdevtest.blob.core.windows.net/utcontainer4a2315bf/blob1?snapshot=2020-09-04T18:46:43.1560641Z
+- request:
+    body: null
+    headers:
+      User-Agent:
+      - azsdk-python-storage-blob/12.4.0 Python/3.8.5 (Windows-10-10.0.18362-SP0)
+      x-ms-date:
+      - Fri, 04 Sep 2020 18:46:44 GMT
+      x-ms-version:
+      - '2019-12-12'
+    method: HEAD
+    uri: https://storagename.blob.core.windows.net/utcontainer4a2315bf/blob1
+  response:
+    body:
+      string: ''
+    headers:
+      accept-ranges: bytes
+      content-length: '31'
+      content-type: application/octet-stream
+      date: Fri, 04 Sep 2020 18:46:43 GMT
+      etag: '"0x8D85102DE756263"'
+      last-modified: Fri, 04 Sep 2020 18:46:43 GMT
+      server: Windows-Azure-Blob/1.0 Microsoft-HTTPAPI/2.0
+      x-ms-access-tier: Hot
+      x-ms-access-tier-inferred: 'true'
+      x-ms-blob-type: BlockBlob
+      x-ms-creation-time: Fri, 04 Sep 2020 18:46:43 GMT
+      x-ms-is-current-version: 'true'
+      x-ms-lease-state: available
+      x-ms-lease-status: unlocked
+      x-ms-server-encrypted: 'true'
+      x-ms-version: '2019-12-12'
+      x-ms-version-id: '2020-09-04T18:46:43.6954483Z'
+    status:
+      code: 200
+      message: OK
+    url: https://tamerdevtest.blob.core.windows.net/utcontainer4a2315bf/blob1
+version: 1
diff --git a/sdk/storage/azure-storage-blob/tests/test_blob_access_conditions.py b/sdk/storage/azure-storage-blob/tests/test_blob_access_conditions.py
index 876c8bb55849..5721447f62c5 100644
--- a/sdk/storage/azure-storage-blob/tests/test_blob_access_conditions.py
+++ b/sdk/storage/azure-storage-blob/tests/test_blob_access_conditions.py
@@ -715,6 +715,36 @@ def test_get_blob_properties_with_if_modified(self, resource_group, location, st
         self.assertEqual(properties.size, 11)
         self.assertEqual(properties.lease.status, 'unlocked')
 
+    @GlobalStorageAccountPreparer()
+    def test_if_blob_exists(self, resource_group, location, storage_account, storage_account_key):
+        bsc = BlobServiceClient(self.account_url(storage_account, "blob"), storage_account_key, connection_data_block_size=4 * 1024)
+        self._setup()
+        self._create_container_and_block_blob(
+            self.container_name, 'blob1', b'hello world', bsc)
+        # Act
+        blob = bsc.get_blob_client(self.container_name, 'blob1')
+        old_blob_version_id = blob.get_blob_properties().get("version_id")
+        self.assertIsNotNone(old_blob_version_id)
+        blob.stage_block(block_id='1', data="this is test content")
+        blob.commit_block_list(['1'])
+        new_blob_version_id = blob.get_blob_properties().get("version_id")
+
+        # Assert
+        self.assertEqual(blob.exists(version_id=old_blob_version_id), True)
+        self.assertEqual(blob.exists(version_id=new_blob_version_id), True)
+        self.assertEqual(blob.exists(version_id="2020-08-21T21:24:15.3585832Z"), False)
+
+        # Act
+        test_snapshot = blob.create_snapshot()
+        blob_snapshot = bsc.get_blob_client(self.container_name, 'blob1', snapshot=test_snapshot)
+        self.assertEqual(blob_snapshot.exists(), True)
+        blob.stage_block(block_id='1', data="this is additional test content")
+        blob.commit_block_list(['1'])
+
+        # Assert
+        self.assertEqual(blob_snapshot.exists(), True)
+        self.assertEqual(blob.exists(), True)
+
     @GlobalStorageAccountPreparer()
     def test_get_blob_properties_with_if_modified_fail(self, resource_group, location, storage_account, storage_account_key):
         bsc = BlobServiceClient(self.account_url(storage_account, "blob"), storage_account_key, connection_data_block_size=4 * 1024)
diff --git a/sdk/storage/azure-storage-blob/tests/test_blob_access_conditions_async.py b/sdk/storage/azure-storage-blob/tests/test_blob_access_conditions_async.py
index c7cb1af7b692..b353b5fa0b16 100644
--- a/sdk/storage/azure-storage-blob/tests/test_blob_access_conditions_async.py
+++ b/sdk/storage/azure-storage-blob/tests/test_blob_access_conditions_async.py
@@ -744,6 +744,39 @@ async def test_set_blob_props_with_if_none_match_fail(self, resource_group, loca
         # Assert
         self.assertEqual(StorageErrorCode.condition_not_met, e.exception.error_code)
 
+    @GlobalStorageAccountPreparer()
+    @AsyncStorageTestCase.await_prepared_test
+    async def test_if_blob_exists(self, resource_group, location, storage_account, storage_account_key):
+        bsc = BlobServiceClient(self.account_url(storage_account, "blob"), storage_account_key, connection_data_block_size=4 * 1024)
+        self._setup()
+        await self._create_container_and_block_blob(
+            self.container_name, 'blob1', b'hello world', bsc)
+        # Act
+        blob = bsc.get_blob_client(self.container_name, 'blob1')
+        old_blob_props = await blob.get_blob_properties()
+        old_blob_version_id = old_blob_props.get("version_id")
+        self.assertIsNotNone(old_blob_version_id)
+        await blob.stage_block(block_id='1', data="this is test content")
+        await blob.commit_block_list(['1'])
+        new_blob_props = await blob.get_blob_properties()
+        new_blob_version_id = new_blob_props.get("version_id")
+
+        # Assert
+        self.assertEqual(await blob.exists(version_id=old_blob_version_id), True)
+        self.assertEqual(await blob.exists(version_id=new_blob_version_id), True)
+        self.assertEqual(await blob.exists(version_id="2020-08-21T21:24:15.3585832Z"), False)
+
+        # Act
+        test_snapshot = await blob.create_snapshot()
+        blob_snapshot = bsc.get_blob_client(self.container_name, 'blob1', snapshot=test_snapshot)
+        self.assertEqual(await blob_snapshot.exists(), True)
+        await blob.stage_block(block_id='1', data="this is additional test content")
+        await blob.commit_block_list(['1'])
+
+        # Assert
+        self.assertEqual(await blob_snapshot.exists(), True)
+        self.assertEqual(await blob.exists(), True)
+
     @GlobalStorageAccountPreparer()
     @AsyncStorageTestCase.await_prepared_test
     async def test_get_blob_properties_with_if_modified(self, resource_group, location, storage_account, storage_account_key):