TRAHAN MECHANICAL INC DBA TRAHAN BROTHERS
California contractor license #774154 · San Rafael, Marin County
License
- License number
- 774154
- Status
- Clear
- Classifications
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- C-43 Sheet Metal Contractor
- Business type
- Corporation
- Issued
- Jan 26, 2000
- Expires
- Jun 30, 2028
- Workers' compensation
- Workers' Compensation Insurance — Wcf National Insurance Company
- Contractor's bond
- $25,000 — American Contractors Indemnity Company
- DIR public works registration
- Registered through Jun 30, 2027
From the California Contractors State License Board (CSLB) public license file, last updated Oct 1, 2026. Verify license #774154 on CSLB's License Check.
California public works
TRAHAN MECHANICAL INC DBA TRAHAN BROTHERS appears on 7 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 2024. Projects it led total $32,270 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Dec 19, 2024 | HVAC Modernization & Replacement Ph. 4/5HVAC & mechanical | Mountain View-Whisman School District | Subcontractor | $5,640,000 |
| Aug 1, 2024 | COLEMAN ELEM. SCHOOL STU SERVICE ACBuildings & facilities | San Rafael City Schools | Prime | $18,915 |
| Jul 18, 2024 | SAN RAFAFEL HIGH BLDG G ROOM TE#200 ACBuildings & facilities | San Rafael City Schools | Prime | $13,355 |
| Jun 10, 2024 | Baden HS HVAC Replacement and Re-roofingRoofing | South San Francisco Unified School District | Subcontractor | — |
| Jun 3, 2024 | Escondido Elementary School HVAC UpgradeHVAC & mechanical | Palo Alto Unified School District | Subcontractor | — |
| Nov 29, 2023 | HVAC Projects Package AHVAC & mechanical | South San Francisco Unified School District | Subcontractor | — |
| Jul 20, 2023 | HVAC Projects Package BHVAC & mechanical | South San Francisco Unified School District | Subcontractor | — |
Most recent 7 of 7. 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
- South San Francisco Unified School District · 3 projects
- San Rafael City Schools · 2 projects
- Mountain View-Whisman School District · 1 project
- Palo Alto Unified School District · 1 project
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