WILMINGTON, MA-Richard Kohn acquires 150 West St. for $915,000 or $46 per sf. The Boston-based commercial real estate investor bought the 20,000-sf industrial property in an effort to complete a 1031 tax-free exchange.

BOSTON-Carlyle Realty Partners closes on its deal to purchase Constitution Quarters, a five-building complex in the Charlestown Navy Yard. The firm acquired the property for $90.5 million and plans to convert the 367 units into condominiums.

BOSTON-The city is making an effort to promote "green" building and smart growth with its Green Building Feasibility Study. The Massachusetts Technology Collaborative is providing a $100,000 grant to fund the program.

NORTH DARTMOUTH, MA-Volex Inc. sells its 54,664-sf warehouse facility to Route 6 Marine for $1.8 million. The building is situated on approximately four acres and includes 17,000 sf of office and research and development space.

WORCESTER, MA-Absolute Machinery Corp. leases 10,000 sf at 333 Shrewsbury St. a 72,000-sf facility. The company needed the additional space for a plastics and metal working showroom and warehouse.

FALL RIVER, MA-In the latest in a series of shopping center sales throughout eastern Massachusetts, Flint Village Plaza, a 45,000-sf retail shopping center at 933 Pleasant St. sells to Pivotal Properties LLC for $4.7 million.

WALTHAM, MA-Enclave Properties, a real estate owner and operator of data center properties, is backed by the principals of New England Development, a locally based real estate and development company.

BOSTON-The Boston Redevelopment Authority gives its approval to the Central Boston Elder Services organization plan to build a new 24,000-sf headquarters building at 2301-2337 Washington St. in Dudley Square.