Massachusetts licenses plumbers through the Board of State Examiners of Plumbers and Gas Fitters. The City of Boston permits plumbing inside the city. Cambridge, Somerville, and Brookline are separate municipalities. This page shows which Boston, MA plumbers AI assistants named most often across answers RecommendRadar ran and stored, how often each appeared, and the sources those answers cited. Being named often isn't proof of the repair. Get the written quote before work starts.
3 snapshot runs from the last 45 days named a business. This page is indexed after 3 such runs. Names that differ by case, punctuation, a leading The, a practice suffix, or a shortened firm name are combined.
Before you contact anyone on this list
- Ask which license covers this job and match it to the price.
- Ask who will pull the permit.
- Get a written quote before work starts.
FAQ
Does Massachusetts license plumbers?
Yes. The Board of State Examiners of Plumbers and Gas Fitters licenses plumbers. Boston still permits the address.
Who permits plumbing in Boston?
The City of Boston. Cambridge, Somerville, and Brookline are separate cities.
Which Boston, MA plumbers did AI name most?
Horvitz Plumbing & Heating (3 of 3), Roto-Rooter Plumbing & Water Cleanup (3 of 3), Trethewey Brothers (2 of 3), Croft Plumbing Services (1 of 3), Drain Stars (1 of 3), IS Plumbing (1 of 3), Vaughan Plumbing & Heating (1 of 3)
How this page works
Every name, count, and source on this page comes from answers RecommendRadar ran and stored for the best plumber in Boston, MA. Nothing is added or edited by hand. These stored answers came from Perplexity. Sample: 3 stored answers from the last 45 days, refreshed November 3, 2026. AI answers vary with wording, time, location, and engine, so this is a dated sample of what those engines said, not an endorsement or a ranking of quality.