Verified record
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- Not rated by the BBB
- 2 reviews in the last 6 monthsNo negatives
- 5 customer photosOf completed work
Highlights
- Fast emergency response — same-day visits for active water issues
- Fair, transparent pricing — beats competing quotes, no hard sell
- Proven durability — work from years ago still holding up
- Repeat customers — hired again for new and follow-up issues
Hydroseal Basement Waterproofing is a family-owned basement waterproofing and drainage contractor based in Fairhaven, offering crack repair, French drains, sump pumps, and related drainage systems across the South Coast Massachusetts and Rhode Island region, with the owner, John, personally overseeing every job. The review record is deep and entirely positive — 41 reviews from 2023 to 2026 with no negative accounts. Reviewers describe John responding quickly, including same-day visits during active water emergencies, and walking through the process and pricing clearly before work begins. Specific jobs described include French drain and sump pump installations, crack repairs completed in a matter of hours, and a hydrostatic pressure problem under an oil tank solved with a French drain tied into an existing sump pump. A 2024 review describes work done eight years earlier still functioning perfectly with no issues since. Pricing and honesty come up often — several reviewers say they got quotes from two or three other companies and found Hydroseal's price more fair, with more than one review specifically noting no hard-sell tactics. A number of reviewers are repeat customers, including one who hired the company twice within seven months for separate issues and another who returned for a sump pump repair years after an original French drain installation. The company's self-reported founding date is inconsistent — its website states 'Year Established 2021' in one place and 'over two decades of experience' in another — and a 2024 review describing work still holding up eight years later fits the longer tenure claim better. For basement water issues anywhere along the South Coast, the consistency and specificity of the review record across three years make a strong case for reliable work.
What does basement waterproofing cost in Greater Boston?
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Hydroseal Basement Waterproofing. 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
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