Wolff Contracting INC, A General Engineering Contractor in Santa Rosa, CA
Wolff Contracting INC operating as a corporation holds an active California contractor license (CSLB #953433), valid through Oct 31, 2026. First issued in 2010, the license has been on the CSLB roster for 16 years. It carries 4 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-21 Building Moving / Demolition Contractor, and C-36 Plumbing Contractor. Records show an active surety bond on file with Platte River Insurance Company and active workers' compensation coverage from Oak River Insurance Company. The business is based in Santa Rosa, in Sonoma County, California.
- License Number
- 953433
- Issued
- Oct 13, 2010
- Status
- CLEAR
- Expires
- Oct 31, 2026
- Entity
- Corporation
- Surety
- Platte River Insurance Company
- Bond Number
- A270102305
- Effective
- Mar 21, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Oak River Insurance Company
- Policy Number
- WOWC622789
- Effective
- Nov 7, 2025
- Expires
- Nov 7, 2026
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Wolff Contracting INC licensed in California?
Yes. Wolff Contracting INC holds California Contractors State License Board license number 953433, which is active and in good standing. The license was first issued on October 13, 2010. It is valid through October 31, 2026.
What does Wolff Contracting INC specialize in?
Wolff Contracting INC is licensed for 4 CSLB classifications: A General Engineering Contractor, B General Building Contractor, C-21 Building Moving / Demolition Contractor, and C-36 Plumbing Contractor.
Where is Wolff Contracting INC headquartered?
Wolff Contracting INC is headquartered at 3236 Dutton Ave, Santa Rosa, CA 95407, in Sonoma County, California.
Does Wolff Contracting INC have an active surety bond on file with CSLB?
Yes. Wolff Contracting INC has an active California contractor surety bond filed with Platte River Insurance Company.
Does Wolff Contracting INC carry workers' compensation coverage?
Yes. Wolff Contracting INC carries active workers' compensation coverage through Oak River Insurance Company.
How do I verify Wolff Contracting INC's contractor license?
You can verify Wolff Contracting INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=953433.
- License issuedOct 13, 2010
- WC coverage startsNov 7, 2025
- Bond activeMar 21, 2026
- License expiresOct 31, 2026
- WC expiresNov 7, 2026
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