GARRETT THIESSEN CONSTRUCTION INC
California contractor license #818850 · Paso Robles, San Luis Obispo County
License
- License number
- 818850
- Status
- Clear
- Classifications
- B General Building Contractor
- C-8 Concrete Contractor
- Business type
- Corporation
- Issued
- Apr 15, 2003
- Expires
- Aug 31, 2028
- Workers' compensation
- Workers' Compensation Insurance — Everest Premier Insurance Company
- Contractor's bond
- $25,000 — Merchants Bonding Company (Mutual)
- DIR public works registration
- Registered through Jun 30, 2028
From the California Contractors State License Board (CSLB) public license file, last updated Jul 10, 2026. Verify license #818850 on CSLB's License Check.
California public works
GARRETT THIESSEN CONSTRUCTION INC appears on 10 public works projects registered with the California Department of Industrial Relations, 2 of them as the prime contractor, for 8 awarding bodies between 2021 and 2026. Projects it led total $6,661,262 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jun 2, 2026 | Housing Program Bldg B ConcreteConcrete & masonry | Cal Poly State University, San Luis Obispo | Prime | $6,612,056 |
| Feb 19, 2026 | Concrete Pad Construction ServicesDemolition & site work | California Department of Corrections and Rehabilitation - | Prime | $49,206 |
| Feb 2, 2026 | Monterey Crossing FamilyOther | UPMO Family SLO LP | Subcontractor | $33,237,056 |
| Dec 2, 2025 | Righetti Ranch Parks - Community ParkPlumbing & restrooms | City of San Luis Obispo | Subcontractor | $13,603,812 |
| May 2, 2025 | HEARST SAN SIMEON SHMBuildings & facilities | DEPARTMENT OF PARKS AND RECREATION-PARK OPERATIONS | Subcontractor | $3,691,348 |
| Nov 26, 2024 | 194738230-Housing Prog PWA 6 Bldg ADemolition & site work | Cal Poly State University, San Luis Obispo | Subcontractor | $124,952,778 |
| Jun 10, 2024 | FMS TEMP CAMPUS DEMOBILIZATION & DEMOLITDemolition & site work | Paso Robles Joint Unified School District | Subcontractor | — |
| Aug 31, 2023 | HEARST SAN SIMEON SHMPaving & streets | DEPARTMENT OF PARKS AND RECREATION-PARK OPERATIONS | Subcontractor | — |
| Aug 15, 2022 | HEARST SAN SIMEON SP AND SHMBuildings & facilities | Dept of Parks & Recreation Acquisition & Development | Subcontractor | — |
| Jul 1, 2021 | VENTURA TRAINING CENTER PAVINGPaving & streets | Department of Forestry and Fire Protection | Subcontractor | — |
Most recent 10 of 10. 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
- Cal Poly State University, San Luis Obispo · 2 projects
- DEPARTMENT OF PARKS AND RECREATION-PARK OPERATIONS · 2 projects
- Paso Robles Joint Unified School District · 1 project
- UPMO Family SLO LP · 1 project
- Department of Forestry and Fire Protection · 1 project
- City of San Luis Obispo · 1 project
- California Department of Corrections and Rehabilitation - · 1 project
- Dept of Parks & Recreation Acquisition & Development · 1 project
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