Rosco Corporation, A General Engineering Contractor in Redwood Valley, CA
Rosco Corporation operating as a corporation holds California contractor license #1040099, which is currently expired (lapsed May 15, 2026) and not valid to contract until it is renewed. First issued in 2018, the license has been on the CSLB roster for 8 years. It carries 2 CSLB classifications: A General Engineering Contractor and C-12 Earthwork and Paving 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 Redwood Valley, in Mendocino County, California.
- License Number
- 1040099
- Issued
- Jun 1, 2018
- Status
- CLEAR
- Expires
- May 15, 2026
- Entity
- Corporation
- Surety
- Western Surety Company
- Bond Number
- 67393199
- Effective
- May 21, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Aug 15, 2025
- Expires
- —
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Rosco Corporation licensed in California?
Rosco Corporation previously held California Contractors State License Board license number 1040099, but the license expired on May 15, 2026 and is not currently valid. It was first issued on June 1, 2018.
What does Rosco Corporation specialize in?
Rosco Corporation is licensed for 2 CSLB classifications: A General Engineering Contractor and C-12 Earthwork and Paving Contractor.
Where is Rosco Corporation headquartered?
Rosco Corporation is headquartered at 7401 Lorene Rd, Redwood Valley, CA 95470, in Mendocino County, California.
Does Rosco Corporation have an active surety bond on file with CSLB?
Yes. Rosco Corporation has an active California contractor surety bond filed with Western Surety Company.
Does Rosco Corporation carry workers' compensation coverage?
Rosco Corporation reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Rosco Corporation's contractor license?
You can verify Rosco Corporation's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1040099.
- License issuedJun 1, 2018
- Bond activeMay 21, 2025
- WC coverage startsAug 15, 2025
- License expiredMay 15, 2026
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