Sior Sign Company
Sior Sign Company operating as a sole owner is licensed in California under CSLB number 948427. The license was first issued in 2010, putting the business at 16 years on the active CSLB roster. It carries a single CSLB classification: C-45 — Sign Contractor. Records show an active surety bond on file with Western Surety Company and an exempt workers' compensation status (no employees on payroll). The business is based in Auburn, in Placer County, California.
- License Number
- 948427
- Issued
- Jun 8, 2010
- Status
- CLEAR
- Expires
- Dec 31, 2027
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 67708751
- Effective
- Dec 4, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Dec 4, 2025
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Sior Sign Company licensed in California?
Yes. Sior Sign Company holds California Contractors State License Board license number 948427. The license was first issued on June 8, 2010. It is valid through December 31, 2027.
What does Sior Sign Company specialize in?
Sior Sign Company is licensed for one CSLB classification: C-45 Sign Contractor.
Where is Sior Sign Company headquartered?
Sior Sign Company is headquartered at 2705 Briarwood, Auburn, CA 95603, in Placer County, California.
Does Sior Sign Company have an active surety bond on file with CSLB?
Yes. Sior Sign Company has an active California contractor surety bond filed with Western Surety Company.
Does Sior Sign Company carry workers' compensation coverage?
Sior Sign Company reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Sior Sign Company's contractor license?
You can verify Sior Sign Company's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=948427.
- License issuedJun 8, 2010
- Bond activeDec 4, 2025
- WC coverage startsDec 4, 2025
- License expiresDec 31, 2027
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