SAN ANTONIO — 37th Parallel Properties, a Virginia-based multifamily investment firm, has acquired Summit of Thousand Oaks, a 224-unit multifamily community in San Antonio. Built in 1983, the property consists of 144 one-bedroom units and 80 two-bedroom apartments. Amenities include a pool and a fitness center. The new ownership will add new retaining walls and landscaping, as well as upgrade the leasing center and unit interiors. Cutt Ableson of Berkadia arranged a Freddie Mac green loan for the transaction, the seller in which was not disclosed.