ADT Security Services Inc. signed a lease for 14,880 square feet of space at 14434 Albemarle Point Place in Chantilly, VA. The site is a 59,149-square-foot flex building located in the Albemarle Point Park. ADT Security Services is the first tenant to lease a space in this building, making it 25% leased. Caulley Deringer and Hank Dudgeon of Transwestern Commercial Services represented the landlord, Dalton Ventures LLC. Larry Fitzgerald of Grubb & Ellis represented ADT Security Services.