License verified · CSLB

Larsen Energy Systems Inc

7870 FOOTHILL RANCH RD
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 621440. 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

Larsen Energy Systems Inc, in brief

You'll find Larsen Energy Systems Inc providing HVAC contracting work at 7870 FOOTHILL RANCH RD. This contractor's CSLB license — number 621440 — checks out on the register. We list another contractor just 3.1 mi from this one.

HVAC contractor
Questions about this contractor

Before you call Larsen Energy Systems Inc

01

Has Larsen Energy Systems Inc's contractor license been verified?

Confirmed — the CSLB register carries license 621440 for this business. See it yourself via the official license lookup.

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