[1] The First Congregational Church of Boscawen occupies a prominent location on the north side of the community's main village, at the junction of High and King streets (U.S.

Its front facade, facing south toward the road junction, is modeled as a Greek temple, with corner pilasters supporting an entablature consisting of an architrave, plain frieze, and moulded cornice.

[2] The church was built in 1799, originally serving both civic and religious functions in the manner of a traditional colonial meeting house.

In 1839, the building underwent a major renovation, which included rotating the building 90°, placing the main entrance on a short side, removing the box pews in favor of the present slip pews, and removing the traditional high pulpit and sounding board.

This proposal was agreed and implemented, and the basement space continues to be used by the town for election polling and other functions (although its offices are in another building).