Spaulding & Slye is marketing the space for $26 to $26.50 per sf, according to Brown. Designated StoneLeigh I and II at 4800 Westfield Blvd. and 14300 Park Meadow Dr., respectively, the five-story structures sit in the Rte. 28 corridor near Washington Dulles International Airport and across the highway from the National Reconnaissance Office, a US Department of Defense agency.

Boggs & Partners Architects is the project architect, designing what Klaff describes as a "self-contained site that allows for maximum security." While no leases have yet been signed, Brown tells GlobeSt.com that there is currently activity on one of the buildings.

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