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License verified · CSLB

Mc Donagh John Builders And Energy Systems

5057 AUGUST COURT
+1 707-567-5246
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 422946 · expires May 31, 2028 · Alameda 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

Mc Donagh John Builders And Energy Systems, in brief

Based at 5057 AUGUST COURT, Mc Donagh John Builders And Energy Systems works as an HVAC contractor. CSLB records show license 422946 on file for this business through May 2028. Another listed HVAC contractor sits under ½ mile from here.

HVAC contractor
Questions about this contractor

Before you call Mc Donagh John Builders And Energy Systems

01

Does Mc Donagh John Builders And Energy Systems hold a valid California license?

Yes. License number 422946 appears on the CSLB register with an expiry of May 31, 2028. You can confirm it yourself on the official license lookup.

02

Who should I call overnight instead?

We don't have posted hours for Mc Donagh John Builders And Energy Systems. Nearby, Affordable Heating And Air Conditioning (1.1 mi) advertise round-the-clock service.

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

Other HVAC contractors near Mc Donagh John Builders And Energy Systems

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