The Federal Home Loan Bank Board Building is a historic structure located in Downtown Washington, D.C.

[2] It was incorporated in 1869 as the Masonic Mutual Relief Association of the District of Columbia.

George E. Mathews of the architectural firm of Hoggson Brothers was the original architect for the building.

Louis A. Simon of the Public Works Branch in the Department of the Treasury was the architect for an addition that was built from 1935 to 1937.

The building exemplifies early-20th-century Classical Revival intuitional office architecture.