AirProHQ
License verified · CSLB

Diamond Heating & Air Conditioning INC

2981 PORTSMOUTH DR
+1 619-278-9722
Verification ledger

What we checked, and what we didn't

Checked against the register at build time (Nov 3, 2026).
California contractor licenseCalifornia licensing authority · number 1078454. Matched to this business on name.Verified
Business contactphone on file, from permit filings.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 3, 2026). See our full verification methodology.
About

Diamond Heating & Air Conditioning INC, in brief

Based at 2981 PORTSMOUTH DR, Diamond Heating & Air Conditioning INC works as an HVAC contractor. CSLB records show license 1078454 on file for this business. Another listed HVAC contractor sits 1.4 mi from here.

HVAC contractor
Questions about this contractor

Before you call Diamond Heating & Air Conditioning INC

01

Does Diamond Heating & Air Conditioning INC hold a valid California license?

Yes. License number 1078454 appears on the CSLB register. Ask for the number on the quote and check it with the state board.

Sources: California licensing authority register · contact details from permit filings and public records.Report a correction
Alternatives

Other HVAC contractors near Diamond Heating & Air Conditioning INC

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