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License verified · NJ HVACR Board

William Mcmahon

Verification ledger

What we checked, and what we didn't

Checked against the register at build time (Oct 31, 2026).
New Jersey contractor licenseNew Jersey Division of Consumer Affairs, State Board of Examiners of HVACR Contractors · number 19HC00321100 · expires June 30, 2028 · Morris County. Matched to this business on name.Verified
Business contactemail on file.On file
Public reviewsNo public review profile in our data. License-register listings often have none — ask for two recent local references instead.None found
Insurance & bondingNot checked by AirProHQ. Ask for the certificate of insurance before work starts — the state requires cover to hold the license, but we don't see the policy.Ask them
WorkmanshipNot inspected. A license says who is allowed to do the job, not how well it was done.Ask for references
Checked against the register at build time (Oct 31, 2026). Confirm it yourself — about thirty seconds. See our full verification methodology.Open the official lookup
About

William Mcmahon, in brief

William Mcmahon operates as an HVAC contractor in Chatham, NJ. Its NJ HVACR Board license, number 19HC00321100, is on the register through June 2028.

HVAC contractor
Questions about this contractor

Before you call William Mcmahon

01

Does William Mcmahon hold a valid New Jersey license?

Yes. License number 19HC00321100 appears on the NJ HVACR Board register with an expiry of June 30, 2028. You can confirm it yourself on the official license lookup.

Sources: New Jersey Division of Consumer Affairs, State Board of Examiners of HVACR Contractors register.Report a correction
Alternatives

Other HVAC contractors near William Mcmahon

Nearest listings we hold in Chatham. Same license check on every one.