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LARGO, MD-Upper Marlboro-based MTM Builder/Developer Inc. has sold a seven-building, 536,197-sf office and office/flex portfolio here. The New Boston Fund paid $69 million for the portfolio. Grubb & Ellis Co. represented MTM in the transaction.

The portfolio, located in Inglewood Business Park--a complex close to Prince George's County's central business district--consist of two class A office buildings and five class A office/flex buildings. These include, according to MTM's website, 9200 Basil Ct., a five-story, 103,848-sf office building; 1801 McCormick Dr., a five-story, 113,709-sf office building; 9301 Peppercorn Pl., a single-story, 51,667-sf office/R&D/flex space property; single-story 1601 McCormick Dr., which consists of 62,102 sf of office/R&D/flex space; 1441 McCormick Dr., a 50,606-sf office/R&D/flex single-story building; 1220 Caraway Ct., which has 78,197 sf of office/R&D/flex space; and 221 Caraway Ct., a 78,197-sf office/R&D/flex space facility.

Steve Gichner, senior vice president of Grubb & Ellis, tells GlobeSt.com that MTM will remain active in the park. It still owns a 232,000-sf building there, he says, as well as several developable plots. MTM did not return calls in time for publication.