Contractor License Proof

Checkmate Mechanical LLC

Licensed

Verified against CSLB on · View on CSLB

License details

License number
1146400
Status
Active
Classifications
C-4 · Boiler, Hot-Water Heating and Steam Fitting
Contractor bond
$25,000
Workers' comp
Covered
License term on file
November 17, 2025 – November 30, 2027

Business

  • (707) 656 3683 (CSLB public record)
  • P O BOX 4095, Vallejo, CA 94590Solano County

Are you Checkmate Mechanical LLC? Claim this listing to manage it.

Claim this listing

Request a free quote

Tell us about your project and we'll connect you with licensed, verified California contractors.

By submitting, you agree we may share your request with relevant licensed contractors to help with your project.

Frequently asked questions

Is Checkmate Mechanical LLC licensed in California?

Yes. Checkmate Mechanical LLC holds an active California state contractor license (CSLB #1146400), verified against the CSLB public record on June 17, 2026.

What is Checkmate Mechanical LLC's CSLB license number?

Checkmate Mechanical LLC's California contractor license number is 1146400. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1146400

What kind of work is Checkmate Mechanical LLC licensed for?

Checkmate Mechanical LLC is classified under Boiler, Hot-Water Heating and Steam Fitting (C-4) by the CSLB.

How do I verify Checkmate Mechanical LLC's license myself?

Look up license #1146400 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1146400. 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.