District of Columbia City Hall, 451 Indiana Avenue Northwest, Washington, District of Columbia, DC

Significance: For many years served as city hall for the District of Columbia and later served as U.S. courthouse and D.C. Superior Court.
Unprocessed Field note material exists for this structure: FN-47
Survey number: HABS DC-41
Building/structure dates: 1820 Initial Construction
Building/structure dates: 1881 Subsequent Work
Building/structure dates: 1916 Subsequent Work
National Register of Historic Places NRIS Number: 66000857