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Guerin Mechanical Contractors LLC
· Webster, MA · 98 Mine Brook Rd, Webster, MA 01570
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Verified record
License Verified9633003-PL-CMA plumber · verified Sep 28, 2026
- MA plumbing licenseVerified active
- Not rated by the BBB
- 1 work photo
Highlights
- Active plumber license — number 9633003-PL-C is active on the state registry
- Active HVAC license — John E Guerin's 10230-SM-M1 is active on the state registry
Guerin Mechanical Contractors is a plumbing and mechanical contractor whose website describes full-scope commercial plumbing and gasfitting services for new construction, renovations, tenant improvements and specialty systems, working closely with general contractors, engineers and inspectors. The website says the company has 38 years in business, and BuildZoom shows 36 projects for it. Its Massachusetts plumber license, number 9633003-PL-C, is active on the state registry, with Guerin Mechanical Contractors as the holder of record. A Massachusetts HVAC license, number 10230-SM-M1, is active on the state registry, with John E Guerin as the holder of record.
What does heating and cooling work cost in Greater Boston?
Typical Greater Boston range for this kind of work, from regional averages — not a quote from Guerin Mechanical Contractors LLC. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$5,000 – $11,400
Typical HVAC project around $8,200
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