Pan American Union Building | |
 Organization of American States headquarters building, with the Statue of Isabella I in front (2015) | |
  | |
| Location | 17th Street NW between C Street NW and Constitution Avenue, NW. Washington, D.C. |
|---|---|
| Coordinates | 38°53′34″N 77°02′25″W / 38.89288°N 77.04026°W |
| Built | 1908–1910 |
| Architect | Paul P. Cret and Albert Kelsey |
| NRHP reference No. | 69000298, 10000625 |
| Significant dates | |
| Added to NRHP | 4 June 1969 |
| Designated NHL | 13 January 2021 |
The Pan American Union Building is the headquarters for the Organization of American States. It is located at 17th Street N.W. between C Street N.W. and Constitution Avenue, Northwest, Washington, D.C.[1]