Osullivan Architects

O'Sullivan Architects is an architecture firm located north of Boston, dedicated to working closely with clients to help them realize their project goals. With over twenty-five years of experience, we pride ourselves on our versatility, capable of taking on a multitude of project types and locations. From small home additions to large multifamily developments and commercial projects, we design functional, livable, and beautiful spaces. Our breadth of experience helps ensure a positive result for our clients. We strive to maintain a close working relationship with our clients to ensure that client input is understood, appreciated, and above all, listened to. This is essential to making our projects successful for our clients, and why we love what we do.

Our Services

Our services range from designing for LEED certification to coordinating with a multitude of engineers, consultants, and contractors. We have extensive experience in residential and commercial projects, including historic restorations and modern designs. Our team is dedicated to providing exceptional service to our clients while also incorporating sustainable and innovative practices in our work.

Meet Our Team

The value of an architectural firm is in the talents of the people who work there. At O'Sullivan Architects, our team of associates offers the foremost insight in design and technical competency, built on practical experience and reinforced by a history that instills confidence. Our team includes David O'Sullivan, AIA, Founder and President, Donnie Garrity, LEED AP, Associate Principal, Erion Nikolla, AIA, Associate Principal, Jonathan Stone, Associate Principal, and many more dedicated professionals.