INSTAHL INC
California contractor license #690553 · Sonora, Tuolumne County
License
- License number
- 690553
- Status
- Clear
- Classifications
- B General Building Contractor
- C-43 Sheet Metal Contractor
- Business type
- Corporation
- Issued
- Jun 17, 1994
- Expires
- Nov 30, 2027
- Workers' compensation
- Workers' Compensation Insurance — Everest Premier Insurance Company
- Contractor's bond
- $25,000 — Western Surety Company
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Jun 4, 2026. Verify license #690553 on CSLB's License Check.
California public works
INSTAHL INC appears on 6 public works projects registered with the California Department of Industrial Relations, for 5 awarding bodies between 2021 and 2025.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Nov 14, 2025 | El Cerrito Plaza - Parcel A SouthBuildings & facilities | ECP Parcel A South Housing Partners, L.P. | Subcontractor | $46,234,275 |
| Jun 26, 2025 | 525 N CapitolOther | 525 Capitol LP | Subcontractor | $76,152,377 |
| Jul 5, 2023 | 231 Grant AvenueOther | 231 Grant Ave LLC | Subcontractor | — |
| Jun 1, 2023 | Hunters View Phase 3 Vertical Block 14 aOther | MOHCD | Subcontractor | — |
| Mar 15, 2023 | Sunnydale Block 3BOther | MOHCD | Subcontractor | — |
| Nov 9, 2021 | Hawthorn Senior Apts. - 124 N. 15th StPaving & streets | Santa Clara County Housing Authority | Subcontractor | $6,739,940 |
Most recent 6 of 6. 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
- MOHCD · 2 projects
- 231 Grant Ave LLC · 1 project
- ECP Parcel A South Housing Partners, L.P. · 1 project
- Santa Clara County Housing Authority · 1 project
- 525 Capitol LP · 1 project
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