John M Corcoran & Co (JMC), one of New England’s most established residential development and management firms, closed 2025 with a solid increase in its property management portfolio, signing more than 1,500 apartments to new management agreements over the course of the year. The company attributed the growth to a combination of new assignments, geographic expansion and continued confidence from ownership partners.
JMC delivered completed buildings in its phased developments of DUO in Chelsea and The Devon at Weiss Farm in Stoneham; acquired an existing high-rise, 929 Massachusetts Ave. in Cambridge; received municipal approvals for a 440-unit development in Beverly; and in early 2026 closed on a land acquisition transaction in Andover.
“Our momentum heading into 2026 is remarkable,” said Peter Mahoney, Executive Vice President of John M. Corcoran & Company. “With strong owner relationships, expanded geographies and multiple developments underway, JMC is well positioned for continued success in the year ahead.”
Five new ownership groups selected the firm to manage their development communities over the past 12 months, while three portfolio properties that changed ownership elected to retain JMC to manage their assets. Lease-up activity was brisk in 2025, involving properties in Somerset, Stoneham, and Chelsea. Looking ahead to 2026, additional lease-ups are projected to begin in Pawtucket RI, and Portsmouth NH.
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