Built on Engineering.
Designed for Living.
We’re a Belmont, Massachusetts-based general contractor bringing structural engineering expertise to residential projects. We provide Greater Boston homeowners with custom renovations, additions, and new construction homes built on 25+ years of experience.
What We Offer
Residential Renovations
Comprehensive remodels engineered for longevity - kitchens, baths, and whole-home transformations that enhance how you live.
Home
Additions
Structurally sound expansions designed to integrate seamlessly with your existing home, inside and out.
New
Construction
Custom homes built from the ground up with the same rigor and oversight used in large-scale commercial projects.
Why Colleary Construction
The Difference is in the Details
Most contractors come from residential backgrounds. We don't. Founder Dara Colleary built his reputation managing complex commercial construction, where tolerances are tighter, timelines are non-negotiable, and structural integrity isn't optional.
That discipline shapes every residential project we touch. You get the craftsmanship of a custom builder with the systems, oversight, and accountability of commercial-grade construction management.
Featured Projects
From historically sensitive renovations to ground-up custom builds - projects that reflect precision, not shortcuts.
What Our Clients Say
“Excellent General Contracting company. Dara, the company owner is a trained civil engineer, a person of high integrity, is very knowledgeable about his industry trends and the city’s regulations. He was very responsive, put in the time to fully understand my family’s requirements and also made a lot of helpful suggestions. He is a thorough professional and has a fantastic eye for detail. He works with a dedicated team and he brought them along for a site visit to get their inputs before providing a quote. Dara was a pleasure to deal with. I would have no hesitation in recommending him to others.”
“I did an addition with Dara and his team. I could tell from the outset that the quality and workmanship of the job was top quality. What sets him apart from other contractors was he himself is an engineer and owns the project. He takes responsibility very seriously and his attention to details is unmatched. He is very flexible and reasonable as well in accommodating changes that were made during the course of the project. His guys, Carlos and the crew are top notch—pleasant to work with and very competent in what they do! We would definitely reach out to Colleary Construction for future projects. HIGHLY RECOMMENDED!”