Abacus Builders

Julia Hill 

on Google

3 days ago

Very professional and efficient. Would definitely hire again for work in the future 

Kristina Capiak 

on Google

a week ago

We hired Abacus to build a roof deck and could not be happier with how it turned out. Our project needed variance approvals, and they were patient with me while I worked through that process, which took a while. The finished deck is beautiful. The crew was also genuinely friendly and easy to have around the house, which matters more than you’d think when people are working on your home for weeks. At the end they helped us get a very heavy table up two flights and onto the roof, which was well beyond anything we asked of them... read more

John Groarke 

on Google

3 weeks ago

We had an excellent experience working with Abacus on the full gut renovation of our 2-bedroom condo in South Boston. From start to finish, the project was managed professionally, efficiently, and with a clear focus on delivering high-quality work. A special shout-out goes to Paul, the project manager, who was fantastic throughout the entire renovation. He did an exceptional job coordinating the many subcontractors, vendors, deliveries, and moving pieces involved in a major renovation. Paul was responsive, organized, and pro... read more

Peter Yin 

on Google

a month ago

I'm assessing Abacus in the following areas - project planning and management, communication, and professional connections. The project just wrapped up (Aug 2026) so I cannot attest to the work product quality. Overall, I had a fantastic experience with Abacus. I first reached out in Oct 2025 about a rooftop deck project above an attached garage via their website; they got back to me shortly after with a quote post discussing scope. With larger house projects, you don't know what you don't know, so what I look for in GCs are... read more

August West 

on Google

2 months ago

I've worked with Mark and his team on many projects over the years, and they've always been professional, reliable, and committed to doing quality work. Communication is excellent, jobs are completed right away, and they truly care about their customers. Its always a pleasure working with them and I highly recommend them!!