The Colburn House State Historic Site is a historic site and recreation area in Pittston, Maine. It is also known as the Major Reuben Colburn House.

Built in 1768, the Colburn House State Historic Site is a very important historic landmark in the Kennebec River region of Maine. It stands as a reminder of the first people who settled in the area, being one of the oldest structures that survived from the era. It is also significant for its connection with the military history of the region, with it being Benedict Arnold?s Headquarters in 1775. Several historic individuals have also graced the house with their presence.

Listed on the National Register of Historic Places in 2004, the Colburn House State Historic Site is also a perfect location for fishing, bird watching, and wildlife viewing.