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License verified · CSLB

M J Mechanical Services Inc

P O BOX 289
+1 650-592-5634
Verification ledger

What we checked, and what we didn't

Checked against the register at build time (Nov 6, 2026).
California contractor licenseCalifornia Contractors State License Board (CSLB) · number 853653 · expires January 31, 2027 · San mateo County. Matched to this business on name.Verified · renews soon
Business contactphone 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 (Nov 6, 2026). Confirm it yourself — about thirty seconds. See our full verification methodology.Open the official lookup
About

M J Mechanical Services Inc, in brief

M J Mechanical Services Inc is an HVAC contractor at P O BOX 289. We matched license 853653 to this business on the CSLB register through January 2027.

HVAC contractor
Questions about this contractor

Before you call M J Mechanical Services Inc

01

Is M J Mechanical Services Inc a licensed HVAC contractor?

Yes. This business's license, 853653, matches an active entry on the CSLB register with an expiry of January 31, 2027. The official lookup lets you verify it directly.

Sources: California Contractors State License Board (CSLB) register.Report a correction
Alternatives

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