Tri-Valley Drilling Service Inc
Tri-Valley Drilling Service Inc is an active, licensed contractor operating in Ventura, CA. Operating under a California contractor license established in 1993. They hold C-57 Well Drilling Contractor and D09 Drilling, Blasting and Oil Field Work licenses. They currently maintain an active contractor bond and workers' compensation insurance. No disciplinary actions have been recorded against this license.
License Information
- License Number
- 672005
- Status
- Active
- Classification(s)
- C-57: Well Drilling Contractor, D09: Drilling, Blasting and Oil Field Work
- Tenure
- Licensed since 1993 (32 years)
- Issue Date
- May 27, 1993
- Expiration Date
- May 31, 2027
- Disciplinary Record
- No Disciplinary Actions
Bond & Insurance
- Contractor Bond
- Bonded ($25000) – HARCO NATIONAL INSURANCE COMPANY
- Workers’ Compensation
- Workers' Compensation Insurance – STATE COMPENSATION INSURANCE FUND
A contractor’s bond protects consumers up to the bond amount if the contractor fails to fulfill contractual obligations or violates CSLB regulations.
Workers’ compensation insurance protects homeowners from liability if a contractor’s employee is injured on the job site.
Location
- Address
- 1349 N OLIVE ST
- City
- Ventura, CA
- ZIP Code
- 93001
- Phone
- (805) 643-3144
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About These License Types
C-57: Well Drilling Contractor
Installs and repairs water wells and pumps by boring, drilling, excavating, casing, cementing, and cleaning to provide a supply of uncontaminated water.
D09: Drilling, Blasting and Oil Field Work
Performs drilling, blasting, and oil field construction work.
Licensing Resources
Workers' comp requirements for California contractors
Deposit and payment rules for California contracts
Home improvement contract requirements
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License data sourced from the California Contractors State License Board. Last data update: April 05, 2026.