Function and beauty aren’t opposites—they’re partners. See how our design process brings both to life in every space we create.

Discover the do's & don'ts of historical restorations with O’Sullivan Architects—blend preservation & modern needs seamlessly!

Architectural insights for Spring 2025 home buyers—learn what to look for in design, structure, and functionality before you invest.

Warm minimalism meets biophilic design—natural light, cozy textures, and organic elements create a tranquil, modern living space.

New tariffs on steel, aluminum & lumber drive up costs. OSA helps you navigate challenges & keep projects on track. Let's build smart!

Boston debates parking minimums as housing needs rise. Will less parking spur growth, or lead to more cars and congestion?

Our 76-unit Melrose project, near MBTA, blends modern design with sustainability, offering great amenities and a commuter-friendly location

MBTA’s TOD program: Transforming housing with transit-oriented, high-density developments, addressing the housing crisis and climate goals

Navigate zoning complexities in Greater Boston with OSA. Our deep knowledge ensures your development complies and thrives. #ZoningSuccess

Discover "Post 1917" in Reading! A historic post office transformed by OSA into a modern steakhouse with local heart. #ArchMeetsCulinaryArt

Discover O'Sullivan Architects' new website and leadership! Explore our future at www.osullivanarchitects.com. #Architecture #Innovation

Turn your dream home into reality with O'Sullivan Architects. From planning to perfection, we guide you at every step.