Protean Steel
Protean Steel operating as a sole owner is licensed in California under CSLB number 939302. The license was first issued in 2009, putting the business at 17 years on the active CSLB roster. It carries a single CSLB classification: C-23 — Ornamental Metal Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and an exempt workers' compensation status (no employees on payroll). The business is based in Alameda, in Alameda County, California.
- License Number
- 939302
- Issued
- Oct 24, 2009
- Status
- CLEAR
- Expires
- Oct 31, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100780879
- Effective
- Jul 18, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Sep 17, 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 Protean Steel licensed in California?
Yes. Protean Steel holds California Contractors State License Board license number 939302. The license was first issued on October 24, 2009. It is valid through October 31, 2027.
What does Protean Steel specialize in?
Protean Steel is licensed for one CSLB classification: C-23 Ornamental Metal Contractor.
Where is Protean Steel headquartered?
Protean Steel is headquartered at 1916 Stanford St, Alameda, CA 94501, in Alameda County, California.
Does Protean Steel have an active surety bond on file with CSLB?
Yes. Protean Steel has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Protean Steel carry workers' compensation coverage?
Protean Steel reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Protean Steel's contractor license?
You can verify Protean Steel's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=939302.
- License issuedOct 24, 2009
- Bond activeJul 18, 2023
- WC coverage startsSep 17, 2025
- License expiresOct 31, 2027
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