It is a two-story wood-frame structure, with a hip roof, two interior chimneys, clapboard siding, and a granite foundation.

Its main facade, facing west, is three bays wide, with a central entrance sheltered by a single-story porch supported by square posts.

An ell extends the house to the rear, joining it to a barn and giving the entire complex an L shape.

[2] Asa Smith was one of Mattawamkeag's early white settlers, and occupied a prominent position in the community, running a store and serving in the state legislature.

His son George built in this house in 1874, and continued his father's retail operation, also serving as the local postmaster for many years.