Nominations to the DC Inventory are assigned case numbers when the Historic Preservation Office (HPO) confirms that they meet filing requirements. Nominations are then added to the schedule of hearings for the Historic Preservation Review Board (HPRB).
Pending Historic Landmark Nominations
Properties with pending historic landmark nominations are protected by the DC historic preservation law during the period before a hearing on the nomination.
- 24-04 The Acacia Building - 51 Louisiana Avenue NW
- 24-02 The Colonnade - 2801 New Mexico Avenue NW
- 24-01 The University Club of Washington, DC - 1135 16th Street NW
- 23-10 Swedish Ambassador's Residence - 3900 Nebraska Avenue NW
- 23-09 Rosemount Center - 2000 Rosemount Avenue NW
- 23-07 Randle Highlands School - 1650 30th Street SE
- 23-03 National Museum of Natural History amendment - 10th Street and Constitution Avenue NW
- 23-02 Marist College (Marist Hall) - 405 Fort Slemmer Drive NE
- 22-16 Folger Shakespeare Library amendment - 201 East Capitol Street SE
- 22-08 Lord & Taylor Chevy Chase Branch Store - 5255 Western Avenue NW
- 22-05 Lansburgh Park - Delaware Avenue between M and I SW
- 21-14 St. Joseph's Seminary - 1200 Varnum Street NE
- 21-05 Capitol Power Plant Pump House - 1520 1st Street SE
- 20-05 Pan American Health Organization - 525 23rd Street NW
- 18-15 Hirshhorn Museum and Sculpture Garden - Independence Avenue at 7th Street SW
- 18-06 Potomac Electric Power Company Substation No. 61 - 3215 44th Street NW
- 17-01 Carnegie Institution of Washington, Atomic Physics Observatory - 5241 Broad Branch Road NW
- 16-05 Holy Name College and Sherwood Farmhouse - 1400 Shepherd Street NE
- 16-04 Railway Express Agency Building - 900 Second Street NE
- 16-02 Anderson Tire Manufacturing Company - 1701 14th Street SE
- 16-01 King David Masonic Lodge - 3501 12th Street NE
- 14-15 Interstate Building/International Building - 1319 F Street NW
- 14-11 Procurement Building GSA Regional Office Building - 301 7th Street SW
- 14-03 E Street Complex - 2430 E Street and 2301 Constitution Avenue NW
- 12-08 Union Station amendment (interior and boundary expansion) - 50 Massachusetts Avenue NE
- 09-03 Kennedy Warren Apartments amendment - 3131-33 Connecticut Avenue NW
- 09-01 Suter Properties - 511 and 521 G Street NW
- 08-11 Dunblane - 4340 Nebraska Avenue NW
- 07-38 Williams-Addison House Amendment - 1645 31st Street NW
- 07-01 Sheridan Theater and Park n Shop - 6201-6221 Georgia Avenue NW
- 06-03 Western Bus Garage - 5230 Wisconsin Avenue NW
Pending Historic District Nominations
Properties within proposed historic districts are not protected by the DC historic preservation law during the period before a hearing on the nomination.
- 24-03 Chevy Chase Historic District
- 22-07 Progressive National Baptist Convention & National Training School for Women and Girls Historic District
- 21-18 Park View Historic District
- 19-05 Judiciary Square Historic District
- 14-19 Rock Creek Valley Historic District
- 13-08 Downtown Historic District (boundary increase)
- 10-19 Barney Circle Historic District (amendment)
- 08-12 U Street Historic District Expansion
- 08-10 Barney Circle Historic District