Watterston House

Watterson House is a Federal rowhouse, located at 224 2nd Street, Southeast, Washington, D.C., on Capitol Hill.

Watterston House
U.S. National Register of Historic Places
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Location	224 2nd Street, S.E., Washington, D.C.
Coordinates	38°53′11″N 77°0′13″W
Built	1802
Architectural style	Federal
NRHP reference No.	91001942 [1][2]

It was placed on the National Register of Historic Places on January 17, 1992.

It was named for George Watterston, a Librarian of Congress.[3] It was the headquarters of the Cato Institute from 1982 to 1993.[4] It is the headquarters of the National Indian Gaming Association.[5]