MAMMOTH WELDING INC
California contractor license #860670 · Mammoth Lakes, Mono County
License
- License number
- 860670
- Status
- Clear
- Classifications
- C-51 Structural Steel Contractor
- C-60 Welding Contractor
- Business type
- Corporation
- Issued
- Jun 21, 2005
- Expires
- May 31, 2028
- Workers' compensation
- Workers' Compensation Insurance — Omaha National Casualty Company
- Contractor's bond
- $25,000 — Nationwide Mutual Insurance Company
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Jun 16, 2026. Verify license #860670 on CSLB's License Check.
California public works
MAMMOTH WELDING INC appears on 3 public works projects registered with the California Department of Industrial Relations, for 3 awarding bodies between 2023 and 2025.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Aug 14, 2025 | Roof ReplacementsRoofing | Mammoth Community Water District | Subcontractor | $1,017,300 |
| Jul 5, 2024 | Town of Mammoth Lakes New Civic CenterPaving & streets | Town of Mammoth Lakes (TOML) | Subcontractor | $26,979,000 |
| Aug 14, 2023 | South Parking lot inprovementOther | Southern Mono Health Care District | Subcontractor | — |
Most recent 3 of 3. 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
- Town of Mammoth Lakes (TOML) · 1 project
- Southern Mono Health Care District · 1 project
- Mammoth Community Water District · 1 project
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