J&M Masonry and Painting
Local business
Verified record
- Not rated by the BBB
Highlights
- Concrete and foundation work — flatwork repair, waterproofing, concrete pumping listed
- Spanish spoken — stated on both directory listings
- Free estimates — offered, with credit-card payment accepted
- No reviews anywhere — new on both Angi and HomeAdvisor
- Different brand name — listing links to mastermaconstruction.com
- Address inconsistent — Dorchester street printed with a Malden ZIP
- No licence number — ask for HIC registration before hiring
J&M Masonry and Painting works out of Dorchester Avenue in Boston, and what it actually lists is concrete and foundation work: flatwork repair and resurfacing, basement and crawlspace waterproofing, and concrete pumping. Both its Angi and HomeAdvisor listings carry the platform's 'Approved' badge, offer free estimates, take credit cards, and note that the crew speaks Spanish. There is no customer history yet. Both listings show the business as new, with no reviews on either, and the two pages are the same listing mirrored across the Angi and HomeAdvisor network rather than two independent sources. A couple of things are worth clearing up on a first call. The listing points to a website under a different brand name, mastermaconstruction.com, and the URL itself reads MasterMAConstruction — so ask which entity you would actually be contracting with. The address as printed is internally inconsistent too, pairing a Dorchester street with a Malden ZIP code. No licence number appears anywhere on either listing. Concrete, foundation and waterproofing work in Massachusetts is not exempt from home improvement contractor registration, so ask for the HIC registration number and proof of insurance before any money changes hands.
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Update history
No changes recorded yet — last scanned Jul 31, 2026.
What does basement waterproofing cost in Greater Boston?
Typical Greater Boston range for this kind of work, from regional averages — not a quote from J&M Masonry and Painting. 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