· Winthrop, MA · Winthrop, MA
Verified record
Everything published about this Winthrop plumber points the same direction: check the licence before you call. BuildZoom lists Massachusetts plumbing licence #9330 for Lawrence E. Perrotta as inactive, and reports the state E-Licensing Board had it cancelled at one point. Its Master Plumber entry under that same number is one the directory flags as unverified, last showing a May 2016 expiration. That is why the profile carries a score of 0 and the site's 'no active licence on file' alert. The work on file is boilers and hot water, not fixtures and drains. Three permits, all on Saratoga Street in East Boston: a $20,000 installation of three new boilers in 2015, and in 2011 a paired gas and plumbing job replacing boilers, burners and three hot water tanks at $18,000. Multi-family buildings, mechanical work, nothing since. No customer has written about him where BuildZoom collects reviews, so there is nothing published on the quality of the work either way. In Massachusetts a plumbing licence is not paperwork — it is the thing that lets someone legally pull a permit and touch gas piping. Ask for the current licence number and check it directly with the state E-Licensing Board before agreeing to any work.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Lawrence E. Perrotta. 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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No changes recorded yet — last scanned Aug 3, 2026.
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