300 12th St., SW., Washington, District Of Columbia. County/parish: District of Columbia.
Added to the National Register of Historic Places October 05, 2015. NRIS 15000683.
1 contributing building.
The U.S. Department of Agriculture Cotton Annex is a former office building located at 300 12th Street SW in Washington, D.C. The size of the building has been variously given at 89,000 square feet and 118,000 square feet. In 2024, it was converted into an apartment building and renamed Annex on 12th.
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