GAMMA CONCRETE INC
California contractor license #1101369 · Valley Springs, Calaveras County
License
- License number
- 1101369
- Status
- Clear
- Classifications
- C-8 Concrete Contractor
- C-50 Reinforcing Steel Contractor
- Business type
- Corporation
- Issued
- Feb 10, 2023
- Expires
- Feb 28, 2027
- Workers' compensation
- Leasing Firm, Temp Agency, Etc — Ace American Insurance Company
- Contractor's bond
- $25,000 — Merchants Bonding Company (Mutual)
- DIR public works registration
- Registered through Jun 30, 2029
From the California Contractors State License Board (CSLB) public license file, last updated Jun 17, 2026. Verify license #1101369 on CSLB's License Check.
California public works
GAMMA CONCRETE INC appears on 5 public works projects registered with the California Department of Industrial Relations, for 5 awarding bodies between 2025 and 2026.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Aug 10, 2026 | Lathrop Animal CenterBuildings & facilities | City of Lathrop | Subcontractor | $12,750,859 |
| May 19, 2026 | Preschool Kitchen Repair & ImprovementBuildings & facilities | Family Resource & Referral Center-Joan Richards Learning Village | Subcontractor | $66,973 |
| Jan 1, 2026 | EDD Tenant ImprovementHVAC & mechanical | A.G. Spanos Professional Office Center, LLC | Subcontractor | $2,748,000 |
| Dec 15, 2025 | MVMS Phase 1 Interim housingBuildings & facilities | Mill Valley School Districts | Subcontractor | $23,789,409 |
| Oct 1, 2025 | Grupe (Honda) Service Platform RepairsOther | City of Stockton Municipal Utilities Department | Subcontractor | $34,440 |
Most recent 5 of 5. Contract amounts are the whole project's, as the awarding body reported them to DIR (reported since July 2024); a role is "Prime" when the awarding body registered the contractor on the project.
Awarding bodies it works for most
- A.G. Spanos Professional Office Center, LLC · 1 project
- City of Stockton Municipal Utilities Department · 1 project
- Family Resource & Referral Center-Joan Richards Learning Village · 1 project
- Mill Valley School Districts · 1 project
- City of Lathrop · 1 project
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