[1] The original building was constructed from 1925 to 1926 at a cost of $30,000 to designs by architect Stoyan N. Karastoyanoff of 220 Audubon Avenue.

[2] The merged congregation continued to acquire property in Washington Heights speculating on the area's development with the extension of the New York City Subway's IRT Broadway–Seventh Avenue Line (1 train) and IND Eighth Avenue Line (A train).

A parish house was started and completed in 1928 at a cost of $175,000 to designs by Mayers, Murray & Phillip of 2 West 47th Street.

[1] After the Stock Market Crash of 1929, plans for a new Gothic Revival church, designed by Mayers, Murray & Phillip, were scuttled.

The congregation moved into the parish house, which was renamed the Cornerstone Center, "providing space for a video studio, dance and performance space, a kindergarten, a church for the deaf, and facilities of The Reform Jewish congregation Beth Am, "The People's Temple.