diff --git a/channelz/types.go b/channelz/types.go
index 493bad8a9ad4..35f0bab6ecbe 100644
--- a/channelz/types.go
+++ b/channelz/types.go
@@ -20,11 +20,8 @@ package channelz
 
 import (
 	"net"
-	"syscall"
 	"time"
 
-	"golang.org/x/sys/unix"
-
 	"github.com/golang/protobuf/proto"
 
 	"google.golang.org/grpc/connectivity"
@@ -450,30 +447,3 @@ type OtherSecurityValue struct {
 }
 
 func (*OtherSecurityValue) isSecurityValue() {}
-
-// SocketOptionData defines the struct to hold socket option data, and related
-// getter function to obtain info from fd.
-type SocketOptionData struct {
-	Linger      *unix.Linger
-	RecvTimeout *unix.Timeval
-	SendTimeout *unix.Timeval
-	TCPInfo     *unix.TCPInfo
-}
-
-// Getsockopt defines the function to get socket options requested by channelz.
-// It is to be passed to syscall.RawConn.Control().
-func (s *SocketOptionData) Getsockopt(fd uintptr) {
-	if v, err := unix.GetsockoptLinger(int(fd), syscall.SOL_SOCKET, syscall.SO_LINGER); err == nil {
-		s.Linger = v
-	}
-	if v, err := unix.GetsockoptTimeval(int(fd), syscall.SOL_SOCKET, syscall.SO_RCVTIMEO); err == nil {
-		s.RecvTimeout = v
-	}
-	if v, err := unix.GetsockoptTimeval(int(fd), syscall.SOL_SOCKET, syscall.SO_SNDTIMEO); err == nil {
-		s.SendTimeout = v
-	}
-	if v, err := unix.GetsockoptTCPInfo(int(fd), syscall.SOL_TCP, syscall.TCP_INFO); err == nil {
-		s.TCPInfo = v
-	}
-	return
-}
diff --git a/channelz/types_linux.go b/channelz/types_linux.go
new file mode 100644
index 000000000000..13cbbacbbe51
--- /dev/null
+++ b/channelz/types_linux.go
@@ -0,0 +1,52 @@
+/*
+ *
+ * Copyright 2018 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package channelz
+
+import (
+	"syscall"
+
+	"golang.org/x/sys/unix"
+)
+
+// SocketOptionData defines the struct to hold socket option data, and related
+// getter function to obtain info from fd.
+type SocketOptionData struct {
+	Linger      *unix.Linger
+	RecvTimeout *unix.Timeval
+	SendTimeout *unix.Timeval
+	TCPInfo     *unix.TCPInfo
+}
+
+// Getsockopt defines the function to get socket options requested by channelz.
+// It is to be passed to syscall.RawConn.Control().
+func (s *SocketOptionData) Getsockopt(fd uintptr) {
+	if v, err := unix.GetsockoptLinger(int(fd), syscall.SOL_SOCKET, syscall.SO_LINGER); err == nil {
+		s.Linger = v
+	}
+	if v, err := unix.GetsockoptTimeval(int(fd), syscall.SOL_SOCKET, syscall.SO_RCVTIMEO); err == nil {
+		s.RecvTimeout = v
+	}
+	if v, err := unix.GetsockoptTimeval(int(fd), syscall.SOL_SOCKET, syscall.SO_SNDTIMEO); err == nil {
+		s.SendTimeout = v
+	}
+	if v, err := unix.GetsockoptTCPInfo(int(fd), syscall.SOL_TCP, syscall.TCP_INFO); err == nil {
+		s.TCPInfo = v
+	}
+	return
+}
diff --git a/channelz/types_windows.go b/channelz/types_windows.go
new file mode 100644
index 000000000000..bab7d83432f4
--- /dev/null
+++ b/channelz/types_windows.go
@@ -0,0 +1,29 @@
+/*
+ *
+ * Copyright 2018 gRPC authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ */
+
+package channelz
+
+// SocketOptionData defines the struct to hold socket option data, and related
+// getter function to obtain info from fd.
+// Windows OS doesn't support Socket Option
+type SocketOptionData struct{}
+
+// Getsockopt defines the function to get socket options requested by channelz.
+// It is to be passed to syscall.RawConn.Control().
+// Windows OS doesn't support Socket Option
+func (s *SocketOptionData) Getsockopt(fd uintptr) {}
diff --git a/channelz/util_unix.go b/channelz/util_unix_go19.go
similarity index 100%
rename from channelz/util_unix.go
rename to channelz/util_unix_go19.go