Contractor License Proof

A T C Mechanical LLC

Licensed

Verified against CSLB on · View on CSLB

License details

License number
1043760
Status
Active
Classifications
C-20 · Warm-Air Heating, Ventilating and Air-Conditioning
Contractor bond
$25,000
Workers' comp
Covered
License term on file
August 29, 2018November 30, 2026

Business

  • (925) 818 8084 (CSLB public record)
  • 1827 GROSS LN, Concord, CA 94519Contra Costa County

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Frequently asked questions

Is A T C Mechanical LLC licensed in California?

Yes. A T C Mechanical LLC holds an active California state contractor license (CSLB #1043760), verified against the CSLB public record on June 17, 2026.

What is A T C Mechanical LLC's CSLB license number?

A T C Mechanical LLC's California contractor license number is 1043760. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1043760

What kind of work is A T C Mechanical LLC licensed for?

A T C Mechanical LLC is classified under Warm-Air Heating, Ventilating and Air-Conditioning (C-20) by the CSLB.

How do I verify A T C Mechanical LLC's license myself?

Look up license #1043760 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1043760. This page reflects the CSLB public record as of June 17, 2026.

See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.