Verified record
Typical Greater Boston range for this kind of work, from regional averages — not a quote from O’Neill construction & masonry. Use it to sanity-check bids, then get the real number in writing.
Not sure which you need? Start with an inspection — many reputable companies assess free, and independent assessments run up to $500.
The wall run getting the drain — a full 30×40 ft basement is about 140 ft.
Estimated range
$7,600 – $15,000
Typical waterproofing project around $11,300
O'Neill Construction & Masonry is a Massachusetts masonry outfit whose reviewers keep circling back to two things: basement water problems and stone or brick that needed rebuilding. In 2024, homeowners described the crew fixing recurring basement dampness, rebuilding a crumbling retaining wall, relaying an old brick walkway, and pouring a new patio — each account naming the specific job and calling the finished work solid. The volume backs that up. Across 14 Google reviews, all posted in 2024, every rating is five stars, and several go into real detail: one homeowner who'd tried other companies first said O'Neill's team was polite, kept them updated, and resolved a persistent basement leak; another called a retaining-wall rebuild courteous and well-updated from start to finish. The Better Business Bureau lists the company (also operating as O'Neill Masonry) with an A+ rating and 14 years in business, and BuildZoom and Procore profiles both name masonry and concrete work as its focus, with a Procore listing showing 53 completed projects across Massachusetts and Rhode Island. One thing to check directly before hiring: the state registry lists the company's Massachusetts home improvement contractor registration as expired, and BuildZoom's own listing shows the same license inactive. That's worth asking about, especially for larger or more complex jobs. The review record itself, while strongly positive, is now over a year old — worth confirming recent references given how much time has passed since these accounts.
We had a lot of damp in the basement so we call a number off different people that all had different ideas we were very comfortable we oneills so went with them great team of guys very polite kept us updated and resolved the issue really do highly recommend this company we will be having them back in spring to do the driveway
O’Neill Construction rebuilt a crumbling retaining wall for us, and we couldn’t be happier. The team was courteous and kept us updated throughout the project. It’s clear they take pride in their work.
We had O’Neill rebuild our old brick walkway, and it looks fantastic. The crew was so easy to work with, and the quality of the work is top-notch. Would hire them again in a heartbeat.
Did a great job, friendly crew. Would recommend
A couple of months ago, I returned home from a vacation to discover water had gotten into my basement. I started searching for a company that could help, and O’Neill Construction stood out right away. They responded quickly and handled the situation professionally. The team was extremely polite and went above and beyond to help me deal with the flood. Their expertise and efficiency made a stressful situation much easier to manage. I’m very grateful for their help and highly recommend them!
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2 changes recorded — last scanned Sep 1, 2026.
Steps and stairs5.0
Basement waterproofing results5.0
Renovates century-old structures5.0
Called the most professional of hundreds of contractors5.0
Clears fields, brush and downed trees3.3
Neat workmanship4.1
Multicolor stonework and fence installation3.1