Besides 400 Fifth Ave., a six-story, 115,000-sf office building, the firm is peddling the Lexington Corporate Center in Lexington and two assets in Newton, Wells Center and 7/57 Wells Ave. Two Dedham office buildings are being divested, as well as the four-story, 130,000-sf 150 Newport Ave. in Quincy and One Technology Drive, an industrial building in Peabody. Known as Darien Green, the Connecticut buildings at 320 and 330 Post Rd. total 81,000 sf.

According to sources, Normandy will retain its 300 Baker Ave. office building in Concord and a 105,000-sf Class A project that just broke ground in Waltham. Other suburban buildings being kept are in Burlington, Marlborough and Westford, and Normandy is holding onto its substantial Boston portfolio, including the 99 Summer St. office tower. The firm also owns a Financial District building being converted into a hotel and multiple commercial properties in Fort Point Channel.

Normandy's 400 Fifth Ave. asset underwent a substantial renovation after being bought in March 2006 for $13.4 million, while the investor paid $47.5 million to secure the four-building Lexington office complex last summer. Wells Center was acquired for $37 million in April 2006, simultaneous to buying 7/57 Wells Ave. for $15.5 million, and the two Dedham properties. Dedham Place was purchased for $23.6 million and the nearby Norfolk Place bought for $8.2 million. Normandy paid $13.6 million for 150 Newport Ave. in December 2005; $16.1 million for the single-story, 188,000-sf Peabody warehouse; and $19 million for Darien Green, which was purchased in late 2005.Quality wise, the suburban Boston properties run from Class A to Class B, and feature a range of rental rates. Renamed Prospect Corporate Center, 400 Fifth Ave. is seeking rents in the $30's, according to brokers. The building abuts the Prospect Hill Office Park at 100, 200 and 300 Fifth Ave., all of which are said to be under agreement to Divco West for a price exceeding $105 million. Those buildings are owned by Broadway Real Estate Partners.