Alaska Engineering Commission Cottage No. 25

The Alaska Engineering Commission Cottage No. 25 is a historic house at 345 West Third Avenue in Anchorage, Alaska. It is a two-story wood-frame structure, with a low-pitch gable roof that has wide overhanging eaves with exposed rafter tails. It was designed and built in 1917 by the Alaska Engineering Commission, a Federal agency charged with building railways in Alaska. It is one of the second set of such housing built by the commission, and is now owned by Anchorage Historic Properties.

The cottage was listed on the National Register of Historic Places in 1996.