Sign Development Inc
Verified against CSLB on · View on CSLB
License details
- License number
- 576277
- Status
- Active
- Classifications
- C-45 · Sign
- Contractor bond
- $25,000
- Workers' comp
- Covered
- License term on file
- August 28, 1989 – August 31, 2027
Business
- (909) 920 5535 (CSLB public record)
- 1366 W NINTH STREET, Upland, CA 91786San Bernardino County
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Frequently asked questions
Is Sign Development Inc licensed in California?
Yes. Sign Development Inc holds an active California state contractor license (CSLB #576277), verified against the CSLB public record on June 17, 2026.
What is Sign Development Inc's CSLB license number?
Sign Development Inc's California contractor license number is 576277. You can verify it directly on the CSLB website: https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=576277
What kind of work is Sign Development Inc licensed for?
Sign Development Inc is classified under Sign (C-45) by the CSLB.
How do I verify Sign Development Inc's license myself?
Look up license #576277 with the CSLB "Check a License" tool at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=576277. 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.