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Verified record
License not state-verified. We could not confirm a current registration in the state registry. Insurance is self-reported. Look up in the official Massachusetts registry ↗
Highlights
- Sharp diagnosis — found what other plumbers missed on a chronic leak
- Fast response — same-day calls, on-site in 10 to 30 minutes
- Competitive pricing — beat two other quotes on a water heater install
AA Zack Plumbing is a small, owner-operated Brookline plumbing and heating outfit; the company says on its own site that it's been run since 1986 by Isaac, who describes himself as a master plumber. The reviews, though few, describe fast, careful diagnostic work. In a 2021 review, a homeowner said AA Zack found the real cause of a toilet that had been leaking into a downstairs apartment for years — every previous plumber had just replaced the wax ring, when what was actually needed was a new flange — and fixed it in 45 minutes. In a 2025 review, a customer described emailing on a Sunday morning about a dead water heater; the plumber called back that afternoon, was on-site within 10 minutes, spent over half an hour tracing a tangle of water lines, and returned the next morning with a new water heater running within two hours. Other reviews describe a callback within minutes of a voicemail and arrival as promised in 30 minutes, plus a tankless water heater install that beat two competing quotes on price. There isn't much of a review record to weigh beyond these five, so it's worth confirming current licensing and getting a written quote before the work starts.
What does plumbing work cost in Greater Boston?
Typical Greater Boston range for this kind of work, from regional averages — not a quote from AA Zack Plumbing. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$290 – $710
Typical plumbing job around $500
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