Karwowski Jeffrey, C-15 Flooring and Floor Covering Contractor in Grass Valley, CA
Karwowski Jeffrey operating as a sole owner holds an active California contractor license (CSLB #914833), valid through Apr 30, 2028. First issued in 2008, the license has been on the CSLB roster for 18 years. It carries a single CSLB classification: C-15 — Flooring and Floor Covering 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 Grass Valley, in Nevada County, California.
- License Number
- 914833
- Issued
- Apr 28, 2008
- Status
- CLEAR
- Expires
- Apr 30, 2028
- Entity
- Sole Owner
- Surety
- Western Surety Company
- Bond Number
- 63145704
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Apr 10, 2026
- 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 Karwowski Jeffrey licensed in California?
Yes. Karwowski Jeffrey holds California Contractors State License Board license number 914833, which is active and in good standing. The license was first issued on April 28, 2008. It is valid through April 30, 2028.
What does Karwowski Jeffrey specialize in?
Karwowski Jeffrey is licensed for one CSLB classification: C-15 Flooring and Floor Covering Contractor.
Where is Karwowski Jeffrey headquartered?
Karwowski Jeffrey is headquartered at 16630 Fritillary Way, Grass Valley, CA 95945, in Nevada County, California.
Does Karwowski Jeffrey have an active surety bond on file with CSLB?
Yes. Karwowski Jeffrey has an active California contractor surety bond filed with Western Surety Company.
Does Karwowski Jeffrey carry workers' compensation coverage?
Karwowski Jeffrey reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Karwowski Jeffrey's contractor license?
You can verify Karwowski Jeffrey's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=914833.
- License issuedApr 28, 2008
- Bond activeJan 1, 2023
- WC coverage startsApr 10, 2026
- License expiresApr 30, 2028
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