|Location||604 17th Street, N.W.
|Architect||Richard A. Gilpin|
|Governing body||General Services Administration|
|NRHP Reference #||69000303|
|Added to NRHP||March 24 1969 |
It was designed by Richard A. Gilpin, (or Robert Mills), for W. H. Winder, a nephew of Gen. William H. Winder. It was leased as government offices. The government purchased it in 1854 for $200,000.  It was originally covered in stucco, which was stripped and brick painted. The windows have been replaced. The building is maintained by General Services Administration and occupied by the Office of the United States Trade Representative, since 1981.
It was threatened with demolition in 1974. The building is on the National Register of Historic Places.
- "National Register Information System". National Register of Historic Places. National Park Service. 2008-04-15.
- "Robert Mills: America's First Architect - John Bryan - Google Books". Books.google.com. Retrieved 2012-11-07.
- History of the Winder Building, Home to USTR's Washington D.C. Headquarters