"Walnut Grove", also known as the Andrew Beirne House, is a historic home located near Union, Monroe County, West Virginia.

A two-story, Greek Revival-style brick addition was built after 1825.

The entrance is in this section and features a one-story porch supported by square columns.

Also on the property are a two-room frame office building, brick smokehouse, and stone springhouse.

This article about a property in Monroe County, West Virginia on the National Register of Historic Places is a stub.