Knowles Steven, C-17 Glazing Contractor in Arbuckle, CA
Knowles Steven operating as a sole owner holds an active California contractor license (CSLB #518288), valid through Sep 30, 2027. First issued in 1987, the license has been on the CSLB roster for 39 years. It carries a single CSLB classification: C-17 — Glazing 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 Arbuckle, in Colusa County, California.
- License Number
- 518288
- Issued
- Sep 29, 1987
- Status
- CLEAR
- Expires
- Sep 30, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100350410
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Aug 18, 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 Knowles Steven licensed in California?
Yes. Knowles Steven holds California Contractors State License Board license number 518288, which is active and in good standing. The license was first issued on September 29, 1987. It is valid through September 30, 2027.
What does Knowles Steven specialize in?
Knowles Steven is licensed for one CSLB classification: C-17 Glazing Contractor.
Where is Knowles Steven headquartered?
Knowles Steven is headquartered at 451 Young Ave, Arbuckle, CA 95912, in Colusa County, California.
Does Knowles Steven have an active surety bond on file with CSLB?
Yes. Knowles Steven has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Knowles Steven carry workers' compensation coverage?
Knowles Steven reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Knowles Steven's contractor license?
You can verify Knowles Steven's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=518288.
- License issuedSep 29, 1987
- Bond activeJan 1, 2023
- WC coverage startsAug 18, 2025
- License expiresSep 30, 2027
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