Pro Sign Service
Verified against CSLB on · View on CSLB
License details
- License number
- 450869
- Classifications
- License term on file
- January 5, 1984 – March 31, 2028
Business
- (707) 528 0373 (CSLB public record)
- P O BOX 2837, Rohnert Park, CA 94927Sonoma County
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Frequently asked questions
Is Pro Sign Service licensed in California?
Yes. Pro Sign Service holds an active California state contractor license (CSLB #450869), verified against the CSLB public record on June 17, 2026.
What is Pro Sign Service's CSLB license number?
Pro Sign Service's California contractor license number is 450869. 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 Pro Sign Service licensed for?
Pro Sign Service is classified under Sign (C-45) by the CSLB.
How do I verify Pro Sign Service's license myself?
Look up license #450869 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 #450869 on CSLB
See an error in this record? Report incorrect information. Status reflects CSLB data as of the date shown above.