Tier One Terrain Corp
Tier One Terrain Corp is an active, licensed contractor operating in Cool, CA. Operating under a California contractor license established in 2025. They hold C-12 Earthwork and Paving Contractor and C-49 Tree and Palm Contractor licenses. They currently maintain an active contractor bond and a workers' compensation exemption. No disciplinary actions have been recorded against this license.
License Information
- License Number
- 1138239
- Status
- Active
- Classification(s)
- C-12: Earthwork and Paving Contractor, C-49: Tree and Palm Contractor
- Tenure
- Licensed since 2025 (1 year)
- Issue Date
- June 02, 2025
- Expiration Date
- June 30, 2027
- Disciplinary Record
- No Disciplinary Actions
Bond & Insurance
- Contractor Bond
- Bonded ($25000) – NATIONWIDE MUTUAL INSURANCE COMPANY
- Workers’ Compensation
- Exempt
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
- 2065 BALLOON RIDGE CT
- City
- Cool, CA
- ZIP Code
- 95614
- Phone
- (707) 980-5543
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About These License Types
C-12: Earthwork and Paving Contractor
Digs, moves, and places earth materials for cuts, fills, excavations, grades, trenches, backfills, and tunnels (if incidental), including use of explosives. Includes mixing, fabricating, and placing paving and surfacing materials.
Not authorized: Does not include operations on sources of water (see Class A).
C-49: Tree and Palm Contractor
Plants, maintains, and removes trees and palms, including pruning, stump grinding, and tree, palm, or limb guying.
Not authorized: Does not apply to incidental pruning by nursery persons or gardeners as described in BPC Section 7026.1.
Licensing Resources
What does a workers' comp exemption mean?
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: June 07, 2026.