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November 19, 2025The National Science Foundation, which is preparing to vacate its custom-built Alexandria headquarters to make way for another federal agency, has found a new home not too far away.
The NSF’s 1,600 employees will relocate less than a mile away to backfill a portion of the U.S. Patent and Trademark Office’s Dulaney Street headquarters, the General Services Administration announced Friday.
“This relocation reflects President [Donald] Trump’s commitment to delivering results for the American people through smart government and responsible stewardship of taxpayer resources,” GSA acting Administrator Michael Rigas said in a statement.
The move reflects a resumption in dealmaking for GSA, the government’s real estate arm that was forced to pump the brakes on new leasing activity during the 43-day shutdown that ended last week.
The release didn’t reveal the size of the lease, but a presolicitation it put out in August sought a space between 240K SF and 280K SF, Bisnow first reported.
The agency will be at 41 Dulaney St., colocated with the USPTO, which still has a 1.6M SF presence at the LCOR-owned complex. For its 2024 lease, USPTO cut its footprint from its previous 2.4M SF. That lease runs through 2029.
Brian Stone, who the release said is “performing the duties of NSF director,” called the relocation a “responsible use of federal facilities” and said the plan to colocate the agency with the USPTO would “strengthen both of our abilities to translate discoveries to innovation.”




