License verified · CSLB

Avellar William G Heating And Air Conditioning

P O BOX 352

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 662900 · expires January 31, 2027 · Sonoma 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

Avellar William G Heating And Air Conditioning, in brief

Avellar William G Heating And Air Conditioning is an HVAC contractor at P O BOX 352. We matched license 662900 to this business on the CSLB register through January 2027.

HVAC contractor

Questions about this contractor

Before you call Avellar William G Heating And Air Conditioning

Is Avellar William G Heating And Air Conditioning a licensed HVAC contractor?

Yes. This business's license, 662900, 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

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