It is a high quality example of Colonial Revival/Georgian Revival architecture, and was listed on the National Register of Historic Places in 1985.

The building is a two-story brick structure, with a front-facing gable roof, Greek temple portico, and tower with octagonal cupola.

The building corners have brick quoining, and it has round-arch windows capped by limestone keystones.

[2] The building was erected in 1916 by the Second Unitarian Church, a congregation established in 1896 that had been meeting at a shared chapel in the Longwood area.

The building was designed by Boston architect Edwin J. Lewis Jr., and is based on the Christ Church in Alexandria, Virginia.