STEVE C BONESO CONSTRUCTION INC DBA BONESO PLUMBING AND
California contractor license #612882 · Santa Margarita, San Luis Obispo County
License
- License number
- 612882
- Status
- Clear
- Classifications
- A General Engineering Contractor
- B General Building Contractor
- C-4 Boiler, Hot-Water Heating and Steam Fitting Contractor
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- C-36 Plumbing Contractor
- Business type
- Corporation
- Issued
- Feb 15, 1991
- Expires
- Nov 30, 2026
- Workers' compensation
- Workers' Compensation Insurance — Zurich American Insurance Company
- Contractor's bond
- $25,000 — Merchants Bonding Company (Mutual)
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Sep 22, 2026. Verify license #612882 on CSLB's License Check.
California public works
STEVE C BONESO CONSTRUCTION INC DBA BONESO PLUMBING AND appears on 9 public works projects registered with the California Department of Industrial Relations, 2 of them as the prime contractor, for 4 awarding bodies between 2023 and 2026. Projects it led total $984,087 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Jun 30, 2026 | Broida Hall Quantum Lab, Bldg. 572Buildings & facilities | University of California Santa Barbara | Subcontractor | $525,651 |
| May 12, 2026 | Psychology Room 1310 Reno, Bldg. 551Buildings & facilities | University of California Santa Barbara | Subcontractor | $199,285 |
| May 4, 2026 | Engineering II Room 1245 Fan Coil Units,Buildings & facilities | University of California Santa Barbara | Prime | $157,087 |
| Feb 2, 2026 | Monterey Crossing FamilyOther | UPMO Family SLO LP | Subcontractor | $33,237,056 |
| Oct 22, 2025 | Engineering II Electrical Switchgear andElectrical, low voltage & AV | University of California Santa Barbara | Subcontractor | $2,373,858 |
| Jul 16, 2025 | Engineering II Overhaul Terminal and PacBuildings & facilities | University of California Santa Barbara | Prime | $827,000 |
| Jul 16, 2025 | UCSB Library Chiller Plant Replacement,HVAC & mechanical | University of California Santa Barbara | Subcontractor | $4,310,000 |
| Aug 15, 2023 | Public Safety FacilityBuildings & facilities | City of Pismo Beach | Subcontractor | — |
| — | Public Safety Facility Upgrade ProjectBuildings & facilities | The City of Atascadero | Subcontractor | $31,072,318 |
Most recent 9 of 9. 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
- University of California Santa Barbara · 6 projects
- The City of Atascadero · 1 project
- UPMO Family SLO LP · 1 project
- City of Pismo Beach · 1 project
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