BOSTON—Commercial brokerage veteran Jim Underhill, a former executive with Cushman & Wakefield and founder of The Staubach Co.-Northeast, has been named strategic advisor to the board of directors at Cresa LLC.

BOSTON—Harbinger Development of Wellesley, MA was granted tentative approval by the board of the Economic Development and Industrial Corp. to move forward with the development of two hotels in the Boston Marine Industrial Park.

WASHINGTON, DC—Construction will begin next year on a $55-millon joint venture project that when completed will serve as the practice facility for the NBA's Washington Wizards, home court for the WNBA's Washington Mystics, as well as an entertainment venue in the District.

NEW YORK CITY—Angelo, Gordon & Co. and George Comfort & Sons have purchased an ownership interest in 575 Lexington Ave.

BOSTON—Sperry Van Ness International Corp. has joined forces with Raleigh, NC-based Howard Perry and Walston Commercial and Hotel Group to form a national hotel brokerage franchise.

CAMBRIDGE, MA—Prudential Real Estate Investors has acquired the recently completed Twenty|20 residential tower building located next to the NorthPoint development site here from Canyon Partners Real Estate LLC.

NEW YORK CITY—SL Green has agreed to hand off its 570 Fifth Ave. and 574 Fifth Ave. retail development parcels.

BOSTON—The Baker administration has awarded 23 affordable housing developments across the Commonwealth a total of $29,202,652 in federal and state tax credits and $45.8 million in subsidy funds to support these projects.