The Historical Society is located at 801 K Street, NW between 7th and 9th streets in the historic Carnegie Library building at Mt. Vernon Square.
We are pleased to welcome researchers by prior appointment Tuesday through Friday, 10:00 a.m. – 4:00 p.m. Access to the library and collections is free of charge. For more information, please see: Research.
The Historical Society of Washington, D.C. offices, library, and exhibits will be closed on the following holidays: New Year’s Day, Martin Luther King, Jr. Day, President’s Day, Memorial Day, Independence Day, Labor Day, Columbus Day, Veterans’ Day, Thanksgiving Day, Christmas Day.
We are open on District’s lone municipal holiday, Emancipation Day.
Please note: The Carnegie Library is a shared space and, due to events held in the building, public hours may occasionally deviate from the posted schedule.
The Society is located 2 blocks south of the Mount Vernon Sq/7th St-Convention Center Metro Station (yellow and green lines) and 2 blocks north of the Gallery Pl-Chinatown Metro station (red, yellow, and green lines). Use Metro’s Trip Planner for specific directions on Metrorail or Metrobus.
Please note, there is no on-site parking at the Historical Society, and on-street parking can be difficult. For exact driving directions, please use the map below: