In 1869, thirty-eight members of Washington Hebrew who opposed the congregation’s drift from tradition resigned to form the Orthodox Adas Israel Congregation. Now Washington had two congregations.
After worshipping in rented spaces, Adas Israel raised $4,800 to build a synagogue at the corner of 6th and G Streets, NW. President Ulysses S. Grant attended the 1876 dedication. The simple red brick synagogue was located within walking distance of members’ homes.
Adas Israel soon needed a larger space to accommodate its growing membership. In 1908, the congregation dedicated an elaborate new, high-domed synagogue two blocks north at 6th and I Streets, NW. The congregation affiliated with the Conservative movement in 1928.
In the 1930s and 1940s, Adas Israel’s members were moving uptown, mainly to neighborhoods east of Rock Creek Park. The congregation built an expansive new facility in Cleveland Park in 1951 that continues to serve its membership today — now expanded to nearly 1,800 households.