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License verified · CSLB

Phase Change Mechanical

1454 MELROSE AVE SUITE #1-174
+1 925-808-9025
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 1143975. 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

Phase Change Mechanical, in brief

Phase Change Mechanical runs an HVAC contracting business at 1454 MELROSE AVE SUITE #1-174. The CSLB register lists license 1143975 for this business. Another listed HVAC contractor sits under ½ mile from here.

HVAC contractor
Questions about this contractor

Before you call Phase Change Mechanical

01

Does Phase Change Mechanical hold a valid California license?

Yes. License number 1143975 appears on the CSLB register. You can confirm it yourself on the official license lookup.

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

Other HVAC contractors near Phase Change Mechanical

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

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