Verified record
O'Leary Plumbing is a plumbing company based in Mansfield, Massachusetts, offering plumbing along with gas piping and heating installation, service, and repair. The company holds an active Massachusetts plumbing license, number 4796-PL-C, registered to O'Leary Plumbing LLC. The Better Business Bureau lists an A+ grade for the company, and Google shows a 5-star rating from one review. Homeowners considering O'Leary Plumbing for plumbing, gas piping, or heating work should confirm current pricing and scheduling directly with the company before booking.
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1 change recorded — last scanned Sep 18, 2026.
Typical Greater Boston range for this kind of work, from regional averages — not a quote from O'Leary Plumbing. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$290 – $710
Typical plumbing job around $500
Water testing4.9
39 years in business3.1
Persistent problem-solving5.0
37 years in business3.8
Gas stove installation3.4
