It is the oldest known example of ecclesiastical Gothic Revival architecture in New England, and was listed on the National Register of Historic Places in 1973.
It is a rectangular stone structure with a square tower projecting from the center of the front (west-facing) facade.
The main roof has flat wings and a gabled center, and is surrounded by low battlement-style crenellations.
The front facade has entrances in the tower and the flanking sections, set in lancet-arched openings.
Samuel Farmer Jarvis in what was then termed the "Gothick" style, which was then without precedent in New England.