Massey Knakal Realty Services announced the following transactions:

* The sale of a prime residential development site at 71 Thomas Boyland Avenue for $4,100,000. The 150.6' x 200' irregular lot allows up to 75,741 buildable square feet. Rene Santiago exclusively represented the seller with Broker Michael Harari.

* The sale of a 70-unit apartment building with two commercial spaces at 7202-7224 4th Avenue in Brooklyn's Bay Ridge neighborhood for $7,875,000. The building contains approximately 56,000 square feet. Broker Stephen Palmese represented the seller with Broker Kenneth Freeman.

* The sale of two five-story apartment buildings at 307 West 83rd Street and 487 West End Avenue on Manhattan's Upper West Side for $5,500,000. Combined, they contain 17 residential units (13 rent stabilized, four free market) and approximately 9,975 square feet. They also contain more than 9,000 square feet of air rights. Broker Meyrick Ferguson represented the seller.

* The sale of a ground level commercial condominium at 140 Charles Street in Manhattan's West Village for $4,700,000. The condo currently contains four commercial store units and a storage unit. Partner James Nelson exclusively represented the seller with chairman Robert Knakal.

* The sale of a block-through development site at 260 Flatbush Avenue in Brooklyn's Prospect Park neighborhood for $3,980,000. The property contains approximately 21,092 buildable square feet including purchased air rights. Broker Kenneth Freeman exclusively represented the seller.