The present building was completed in November of 1848.

The first organ, by George Stevens, was installed in 1871, and located in the rear gallery. In 1892, the church was raised six feet to make room for a basement, and an addition was built to the rear to accommodate an organ chamber and church parlors. At that time, church records indicate that the organ was "returned to the factory in Cambridge" and repaired, enlarged, and equipped with a water motor. On December 2, 1923, a disastrous fire destroyed the parlor and damaged the church interior. "While repairs caused by the fire were being made it seemed an auspicious time to install the new organ for which for many years, the church ... had been collecting a fund. In 1905, Miss Julia Copeland left in her will a sum of money to be used towards a church organ ...
-- 2005 OHS Handbook