1074 Thomas Jefferson St, NW
Washington, DC 20007
202.333.6446
inquiries@hartmancox.com
1001 Pennsylvania Avenue
Addition to the APHA Headquarters
Bowen Building
Chapel of the Cross
Chrysler Museum of Art
Dumbarton Oaks Museum
Folger Shakespeare Library
Gallery Row
HEB Grocery Company Headquarters
Kennedy-Warren Apartment Building
Lincoln Square
McIntire School of Commerce
Morehead Planetarium Addition & Renovation
National Archives
National Archives Experience - Phase II Renovation
National Portrait Gallery and Smithsonian American Art Museum
One Franklin Square
Sumner Square
The House of the Temple
Winterthur Museum
Woldenberg Art Center