AirProHQ
License verified · CSLB

Duarte William

1748 MISSION ST
+1 510-309-5322
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 1099006. 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

Duarte William, in brief

Duarte William is listed here as an HVAC contractor at 1748 MISSION ST. License 1099006, verified against the CSLB register, covers this contractor. under ½ mile away is the nearest other contractor we list.

HVAC contractor
Questions about this contractor

Before you call Duarte William

01

Is Duarte William's HVAC license current in California?

Yes — license 1099006 is on file with the CSLB. Double-check it on the official lookup before you book.

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

Other HVAC contractors near Duarte William

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