Checkmate Mechanical LLC
Verified against CSLB on · View on CSLB
License details
- License number
- 1146400
- Classifications
- 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
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What to check next
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 August 4, 2026.
What is Checkmate Mechanical LLC's CSLB license number?
Checkmate Mechanical LLC's California contractor license number is 1146400. Look that number up with the CSLB "Check a License" tool to confirm its current status against the public record yourself.
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 and compare the status, bond, and workers' compensation details against what's shown on this page. This page reflects the CSLB public record as of August 4, 2026.
Verify it yourself: How to verify a California contractor license · Look up #1146400 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.