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Typical Greater Boston range for this kind of work, from regional averages — not a quote from EMERALD 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
Emerald Construction & Masonry is a Burlington, MA contractor that has done foundation, basement, chimney and driveway work. In a February 2025 review, a customer said Thomas and Angelo diagnosed the problem as foundation cracks, sealed everything, installed a new sump pump and redid the flooring, starting within a day or two of hiring. That 2025 review said the basement had "remained dry as a bone ever since," and noted that they require payment quickly (not all upfront) and do not take credit cards. In an August 2025 review, a customer who had foundation work and other things done said Thomas was the contractor, checked in repeatedly, and amended anything they did not like. That 2025 review described morning in-person meetings and called his work crew hard-working, polite and skilled. In a 2024 review, a customer said the team, led by Ryan, rebuilt their chimney, worked within their busy schedule and gave regular updates. In a separate 2024 review, a customer said Patrick made the process easy to understand, praised the grading on the new driveway, and said the water now drained correctly. A July 2025 review tells a different story: a customer said Emerald was hired to waterproof a brick chimney and still failed after two visits. That customer said Patrick explained the company had fired Ryan, the manager who supervised the job, and that afterward calls and messages went unanswered and a request for their money back got no response. The Better Business Bureau gives the business a D+ grade and lists one complaint.
I just finished having extensive work done by Emerald. I am very happy with the experience and the work. Thomas was my contractor. I truly appreciate his commitment to providing quality work. He checked in repeatedly to make sure I was happy with the work done, and offered to amend anything I didn't like (which he did). His communication was excellent. We had morning in-person meetings and sometimes an additional in-person meeting later that same day. He provided guidance but wasn't pushy. His work crew was hard-working (often in brutal summer heat), polite and skilled. I liked that this company can provide a wide array of services, not just foundation work (which I had done, but I also had other things done). Highly recommended.
Emerald was hired to waterproof our brick chimney. After two visits to get it right they still failed. Patrick explained that Emerald fired the manager, Ryan, who supervised our job because he used cut rate products, mishandled this and other jobs. Patrick came out and promised they would get it right. This was over 2 months ago and they have yet to follow through. They are not returning calls, basically ghosting me. I?ve left many messages and texts, no response. I?ve asked for my money back but no response. Starting a complaint with the BBB and will sue to get a refund. Do not hire Emerald Construction.
Thomas and Angelo (his crewman) were fantastic. (He had more crew, but Angelo was the only one whose name I knew.) They correctly diagnosed the problem (foundation cracks), sealed everything, installed a new sump pump and redid the flooring. They kept me informed every step of the way and started work within a day or two of hiring. The basement has remained dry as a bone ever since. One thing to note: They do require payment quickly (not all upfront but soon) and do not take credit cards.
I am thrilled to share my outstanding experience with Emerald Construction! Their team, led by Ryan, rebuilt our chimney, and the result is truly impressive. The job was completed with precision, care, and attention to detail, exceeding our expectations. What really stood out was their ability to work within our busy schedule. Ryan was accommodating, flexible, and ensured minimal disruption to our daily routine. The team was respectful of our property, courteous, and professional throughout the process. The rebuild was completed in a timely manner, with regular updates and clear communication. The quality of workmanship is exceptional, and we are delighted with the final result. We have had numerous compliments from neighbors and friends, and we could not be happier with the transformation. Emerald Construction commitment to excellence, customer satisfaction, and professionalism is evident in every aspect of their work. If you need chimney work or any construction services, look no further than Emerald Construction. Ryan and his team are the best in the business!
Here's a 5-star review for Emerald Construction: "5/5 Stars - Exceptional Service from Emerald Construction! I am absolutely thrilled with the outstanding work done by Ryan and the Emerald Construction team! They recently repaired and waterproofed my entire basement, and I couldn't be more impressed with the results. From the initial consultation to the final inspection, Ryan was a true professional - knowledgeable, courteous, and genuinely concerned about my needs. What really stood out, though, was their commitment to understanding my budget constraints as a social security recipient. Ryan took the time to explain every step of the process, provided a detailed estimate, and worked with me to find a solution that fit within my means. The final bill was very reasonable, and I felt confident that I received excellent value for my money. The work itself was top-notch, with attention to detail and a clear focus on quality. The team was respectful of my home, cleaned up thoroughly after each day's work, and ensured that I was completely satisfied before considering the job complete. I wholeheartedly recommend Emerald Construction to anyone seeking reliable, cost-effective, and professional services. Ryan and his team are a rare find in today's industry, and I feel grateful to have found them. Thank you, Emerald Construction, for a job well done!"
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Patios, walkways and retaining walls4.8