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O’Sullivan Architects is a collaborative team of architects, project managers, designers, and LEED-accredited professionals dedicated to delivering thoughtful, client-centered architecture. Whether working in Greater Boston, Wakefield, across Massachusetts, or throughout New England, we are committed to exceeding expectations through logical planning, creative design, and a focus on lasting value. Our mission is to create architecture that not only fulfills our clients’ visions but also enriches the broader community. We are honored to have received a Best in American Living Award from the National Association of Home Builders, in collaboration with Builder Magazine, for our project on Harvard Avenue in Brookline. Learn more about our work at www.osullivanarchitects.com.

O'Sullivan Architects, Inc Questions

The O'Sullivan Architects, Inc annual revenue was $2 million in 2026.

8 people are employed at O'Sullivan Architects, Inc.

O'Sullivan Architects, Inc is based in Reading, Massachusetts.

The NAICS codes for O'Sullivan Architects, Inc are [54, 5413, 54131, 541].

The SIC codes for O'Sullivan Architects, Inc are [871, 87].

Top O'Sullivan Architects, Inc Employees

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