diff --git a/.gitignore b/.gitignore
index f71567cfee2..bac41ebf878 100644
--- a/.gitignore
+++ b/.gitignore
@@ -22,6 +22,8 @@ py3[0-9]_native/
 a.out
 src/python/grpcio_*/LICENSE
 src/python/grpcio_status/grpc_status/google/rpc/status.proto
+None
+.pytype
 
 # Node installation output
 node_modules
diff --git a/tools/run_tests/sanity/check_pytype.sh b/tools/run_tests/sanity/check_pytype.sh
new file mode 100644
index 00000000000..c967afb8be1
--- /dev/null
+++ b/tools/run_tests/sanity/check_pytype.sh
@@ -0,0 +1,8 @@
+#! /bin/bash -ex
+
+JOBS=`nproc` || JOBS=4
+python3 -m pip install pytype==2019.11.27
+
+for dir in src/python/grpcio*; do
+    python3 -m pytype --keep-going -j "$JOBS" --strict-import $dir
+done
diff --git a/tools/run_tests/sanity/sanity_tests.yaml b/tools/run_tests/sanity/sanity_tests.yaml
index 93aa516f2d6..8d0ebbd6dec 100644
--- a/tools/run_tests/sanity/sanity_tests.yaml
+++ b/tools/run_tests/sanity/sanity_tests.yaml
@@ -6,6 +6,7 @@
 - script: tools/run_tests/sanity/check_deprecated_grpc++.py
 - script: tools/run_tests/sanity/check_owners.sh
 - script: tools/run_tests/sanity/check_port_platform.py
+- script: tools/run_tests/sanity/check_pytype.sh
 - script: tools/run_tests/sanity/check_qps_scenario_changes.py
 - script: tools/run_tests/sanity/check_shellcheck.sh
 - script: tools/run_tests/sanity/check_submodules.sh