43-60 Douglaston Parkway (off 235th Street) Little Neck, Queens A private investor has bought this seven-story 1963 apartment building. The elevator building features 149 apartments - 68 studios, 56 one-bedrooms, 25 two-bedrooms. Buyer: Fairfield Properties Seller: Guildford Associates Broker: Aaron Jungreis, Rosewood $114,000 approximate annual rent 424 A Third Avenue (at Seventh Street) Gowanus, Brooklyn The Morbid Anatomy Library and Museum, which is expected to open in April, has signed a five-year lease for this entire corner two-story building built around 1931. It plans also to have a cafe and gift shop. Tenant: Morbid Holdings L.L.C. Tenant broker: Camille Abenanty, A.C. Lawrence Landlord: Leyla L.L.C. Landlord broker: Behzad Amiri, Corcoran Group 100 Clinton Street (at Remsen Street) Downtown Brooklyn/Brooklyn Heights This two-story medical office building features a usable 12,800-square-foot basement, and can be delivered vacant by the end of this year. The 8,700-square-foot building also offers 47,500 buildable square feet. Owner: S. Konka M.D. Brokers: Hilly Soleiman and Amit Doshi, Besen & Associates