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Department of Defense Signs 10-Year Lease at Repositioned Long Island Office

The deal signals growing federal demand for upgraded suburban space with occupancy set for early 2027 after a tenant buildout.

Overview

  • Reports published Tuesday say the U.S. Department of Defense signed a 10-year lease for 23,600 square feet at 1 Old Country Road in Carle Place and will open a regional office there.
  • The agency is expected to occupy the space in early 2027 following an extensive buildout to meet its operational requirements.
  • The five-story, 320,000-square-foot building underwent about $22 million in repositioning that added a new façade, upgraded wiring and sprinkler systems, and a newly built parking deck with roughly 1,600 spaces.
  • Landlord DBD Realty Group was represented by Kelly Koukou of Lee & Associates NYC and the tenant team was led by Ralph Guiffre, Vince Lamatta and Richard Freel of CBRE; the FAA already anchors the building under a 2023, 15-year lease for more than 74,000 square feet.
  • Coverage includes unconfirmed reporting that the department is seeking congressional approval to rebrand as the “Department of War,” a claim not confirmed by departmental spokespeople or the firms involved, and the lease is being read as a sign of rising federal interest in modern suburban office assets.