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License verified · CSLB

A3 Mechanical Systems

7052 SANTA TERESA 165
+1 408-639-8255
Verification ledger

What we checked, and what we didn't

Checked against the register at build time (Oct 31, 2026).
California contractor licenseCalifornia Contractors State License Board (CSLB) · number 1040289. Matched to this business on name.Verified
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 (Oct 31, 2026). Confirm it yourself — about thirty seconds. See our full verification methodology.Open the official lookup
About

A3 Mechanical Systems, in brief

A3 Mechanical Systems is an HVAC contractor at 7052 SANTA TERESA 165. We matched license 1040289 to this business on the CSLB register. The nearest other listed contractor is under ½ mile away.

HVAC contractor
Questions about this contractor

Before you call A3 Mechanical Systems

01

Is A3 Mechanical Systems a licensed HVAC contractor?

Yes. This business's license, 1040289, matches an active entry on the CSLB register. The official lookup lets you verify it directly.

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

Other HVAC contractors near A3 Mechanical Systems

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