Guenther Woodworks and Stairs, C-6 Cabinet, Millwork and Finish Carpentry Contractor in Ontario, CA
Guenther Woodworks and Stairs operating as a sole owner holds an active California contractor license (CSLB #1148354), valid through Dec 31, 2027. First issued in 2025, the license has been on the CSLB roster for 1 year. It carries a single CSLB classification: C-6 — Cabinet, Millwork and Finish Carpentry 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 Ontario, in San Bernardino County, California.
- License Number
- 1148354
- Issued
- Dec 30, 2025
- Status
- CLEAR
- Expires
- Dec 31, 2027
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- 101019727
- Effective
- Dec 11, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Dec 10, 2025
- Expires
- —
Recently licensed: the CSLB license is active and in good standing, issued within the last 2 years.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Guenther Woodworks and Stairs licensed in California?
Yes. Guenther Woodworks and Stairs holds California Contractors State License Board license number 1148354, which is active and in good standing. The license was first issued on December 30, 2025. It is valid through December 31, 2027.
What does Guenther Woodworks and Stairs specialize in?
Guenther Woodworks and Stairs is licensed for one CSLB classification: C-6 Cabinet, Millwork and Finish Carpentry Contractor.
Where is Guenther Woodworks and Stairs headquartered?
Guenther Woodworks and Stairs is headquartered at 1540 N Hope Ave Apt B, Ontario, CA 91764, in San Bernardino County, California.
Does Guenther Woodworks and Stairs have an active surety bond on file with CSLB?
Yes. Guenther Woodworks and Stairs has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Guenther Woodworks and Stairs carry workers' compensation coverage?
Guenther Woodworks and Stairs reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Guenther Woodworks and Stairs's contractor license?
You can verify Guenther Woodworks and Stairs's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1148354.
- WC coverage startsDec 10, 2025
- Bond activeDec 11, 2025
- License issuedDec 30, 2025
- License expiresDec 31, 2027
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