Sign Bros
Verified against CSLB on · View on CSLB
License details
- License number
- 1140273
- Classifications
- License term on file
- July 11, 2025 – July 31, 2027
Business
- (909) 437 4759 (CSLB public record)
- P O BOX 1022, Upland, CA 91785San Bernardino County
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Frequently asked questions
Is Sign Bros licensed in California?
Yes. Sign Bros holds an active California state contractor license (CSLB #1140273), verified against the CSLB public record on June 17, 2026.
What is Sign Bros's CSLB license number?
Sign Bros's California contractor license number is 1140273. 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 Sign Bros licensed for?
Sign Bros is classified under Sign (C-45) by the CSLB.
How do I verify Sign Bros's license myself?
Look up license #1140273 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 June 17, 2026.
Verify it yourself: How to verify a California contractor license · Look up #1140273 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.