Abacus builders
Abacus Builders & General Contractors is a Ground Up Development Specialist firm. We specialize in multi-family home building and general contracting.
06/23/2026
Most renovations don't fail because the design was wrong. They fail because the design and the budget never had an honest conversation.
A current Boston new construction project came to us with strong architectural plans and a homeowner who knew what she wanted. The early estimate came in over budget. The temptation in that moment is to either cut the scope or push the homeowner to spend more.
We did neither. We sat with the architect, walked the plans line by line, and identified specific changes that preserved every signature design element while bringing the cost into the homeowner's actual budget. Different finish materials in non-visible areas. Smarter structural sequencing. A few mechanical decisions that saved real money without affecting what the homeowner will see and feel for the next 30 years.
The project locked in. This is the result.
If your renovation budget and your design feel like they're at war, the answer usually isn't to abandon either one. It's to find someone willing to do the hard conversation.
06/17/2026
Five things every Boston homebuyer should check on a 100+ year old home.
Most buyers focus on the kitchen and the bath. Both are replaceable. What's not replaceable, or what's expensive enough that it should change your offer: knob-and-tube wiring, asbestos in the plaster, water in the basement, chimney pointing, and the original mechanicals.
A typical Boston row house with two or three of these issues unaddressed can carry $50,000 to $150,000 in deferred work the seller didn't disclose. This is worth knowing before the offer goes in, not after.
Save this. Send it to anyone shopping a Boston brownstone, row house, or triple-decker.
If you want a contractor walk-through before you make an offer, link in bio.
Watch a corner of Roxbury change.
Drone footage of 28 Clifton Street as it was, dissolving into what it's become. Four ground-up condos, exterior finished, interiors coming.
This is what neighborhood change looks like, building by building. The block doesn't stay the same. We get to be part of how it shifts.
Full project reveal coming soon.
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Address
190 Old Colony Avenue
Boston, MA
02127
Opening Hours
| Monday | 7am - 5pm |
| Tuesday | 7am - 5pm |
| Wednesday | 7am - 5pm |
| Thursday | 7am - 5pm |
| Friday | 7am - 5pm |