Square 406 (Commercial Buildings), Eighth, Ninth, E & F Streets, Northwest, Washington, District of Columbia, DC

Significance: Square 406 lies on the northern edge of the Pennsylvania Avenue Development Corporation area, bounded by Eight, Ninth, E and F Streets. The square flanks the Eighth Street axis that visually connects the central portico of the National Portrait Gallery to that of the National Archives. Across Eight Street to the east lies the Tariff Commission building, while across F Street to the north is the Portrait Gallery. The portions of both F Street and Eight Street that are adjacent to the square have been landscaped as pedestrian plazas. A densely developed commercial block, including the ten -story Romanesque Revival Riggs Bank, lies across Ninth Street to the west, while partially undeveloped square lies across E Street to the south.
Survey number: HABS DC-572