License verified · CSLB

Marathon Mechanical Inc

P O BOX 916
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 1000799 · expires August 31, 2028 · Los angeles County. 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 (Nov 6, 2026). Confirm it yourself — about thirty seconds. See our full verification methodology.Open the official lookup
About

Marathon Mechanical Inc, in brief

You'll find Marathon Mechanical Inc providing HVAC contracting work at P O BOX 916. This contractor's CSLB license — number 1000799 — checks out on the register through August 2028.

HVAC contractor
Questions about this contractor

Before you call Marathon Mechanical Inc

01

Has Marathon Mechanical Inc's contractor license been verified?

Confirmed — the CSLB register carries license 1000799 for this business with an expiry of August 31, 2028. See it yourself via the official license lookup.

Sources: California Contractors State License Board (CSLB) register.Report a correction
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Nearest listings we hold in La Verne. Same license check on every one.