It is a two-story wood-frame structure, with a hip roof, central chimney, and clapboarded exterior.

It has a five-bay front facade, with a center entrance sheltered by a projecting enclosed flat-roofed vestibule.

The vestibule entry is flanked by sidelight windows and framed by fluted moulding.

[2] The house was built by Edmund Fowle (1747–1821) in 1772, and was originally located on Mount Auburn St., then called Mill St. Watertown was the seat of Massachusetts Provincial Congress, its de facto government, during the British occupation of Boston during the American Revolution.

The Historical Society was awarded $500,000 in 2004 and another $200,000 in 2006 by the Commonwealth of Massachusetts for the restoration of the Edmund Fowle House.