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License verified · CSLB

Alonso Advanced Air

15555 MAIN ST SUITE D4 PMB139
+1 661-405-7120
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 1091945. 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

Alonso Advanced Air, in brief

Based at 15555 MAIN ST SUITE D4 PMB139, Alonso Advanced Air works as an HVAC contractor. CSLB records show license 1091945 on file for this business. Another listed HVAC contractor sits under ½ mile from here.

HVAC contractor
Questions about this contractor

Before you call Alonso Advanced Air

01

Does Alonso Advanced Air hold a valid California license?

Yes. License number 1091945 appears on the CSLB register. You can confirm it yourself on the official license lookup.

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

Other HVAC contractors near Alonso Advanced Air

Sorted by straight-line distance from this office. Same license check on every one.