MAG Partners

About MAG Partners

MAG Partners is a real estate operator headquartered in New York, NY. MAG Partners operates in Baltimore, Maryland and New York City, New York. Its investment focus is on Multifamily - Ground-up, Placemaking and Urban Office.

MAG Partners is a privately held real estate development firm founded in 2020 by MaryAnne Gilmartin. The company employs between 11 and 50 people and is headquartered in New York City . Its leadership team has collectively developed over 7 million square feet of office, residential, and mixed-use projects, encompassing more than 2,000 housing units valued at over $4.5 billion .​ MAG Partners focuses on large-scale urban developments, particularly in New York City and Baltimore. Current projects include Ruby, a 480-unit mixed-income residential building in Chelsea; 300 East 50th Street, a 194-unit mixed-income building with ground-floor retail; and 335 Eighth Avenue, a 190-unit mixed-income development with commercial space . The firm is also leading the 235-acre Baltimore Peninsula redevelopment, which has delivered over 1 million square feet of residential and office space to date .

Principals at MAG Partners