Dunham's Back-Hoe Service, A General Engineering Contractor in Sonoma, CA
Dunham's Back-Hoe Service operating as a sole owner holds an active California contractor license (CSLB #379304), valid through Aug 31, 2027. First issued in 1979, the license has been on the CSLB roster for 47 years. It carries a single CSLB classification: A — General Engineering Contractor. Records show an active surety bond on file with Atlantic Specialty Insurance Company and an exempt workers' compensation status (no employees on payroll). The business is based in Sonoma, in Sonoma County, California.
- License Number
- 379304
- Issued
- Aug 3, 1979
- Status
- CLEAR
- Expires
- Aug 31, 2027
- Entity
- Sole Owner
- Surety
- Atlantic Specialty Insurance Company
- Bond Number
- 800209253
- Effective
- Aug 31, 2025
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jul 9, 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 Dunham's Back-Hoe Service licensed in California?
Yes. Dunham's Back-Hoe Service holds California Contractors State License Board license number 379304, which is active and in good standing. The license was first issued on August 3, 1979. It is valid through August 31, 2027.
What does Dunham's Back-Hoe Service specialize in?
Dunham's Back-Hoe Service is licensed for one CSLB classification: A General Engineering Contractor.
Where is Dunham's Back-Hoe Service headquartered?
Dunham's Back-Hoe Service is headquartered at P O Box 664, Sonoma, CA 95476, in Sonoma County, California.
Does Dunham's Back-Hoe Service have an active surety bond on file with CSLB?
Yes. Dunham's Back-Hoe Service has an active California contractor surety bond filed with Atlantic Specialty Insurance Company.
Does Dunham's Back-Hoe Service carry workers' compensation coverage?
Dunham's Back-Hoe Service reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Dunham's Back-Hoe Service's contractor license?
You can verify Dunham's Back-Hoe Service's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=379304.
- License issuedAug 3, 1979
- WC coverage startsJul 9, 2025
- Bond activeAug 31, 2025
- License expiresAug 31, 2027
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