The Oscar Anderson House Museum is a historical museum at 420 M Street in downtown Anchorage in the U.S. state of Alaska. Located in Elderberry Park, the structure was built in 1915 by early Anchorage resident . Anderson claimed to be the 18th person to set foot on what is now Anchorage. The structure was the first wood-frame house in Anchorage, and was occupied by Anderson until his death in 1974. The house was completely restored to a 1915 appearance between 1978 and 1982, and is now open as a historic house museum. It was listed on the National Register of Historic Places in 1978.