ATS MECHANICAL
California contractor license #466960 · San Jose, Santa Clara County
License
- License number
- 466960
- Status
- Clear
- Classifications
- 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
- C-38 Refrigeration Contractor
- Business type
- Limited Liability
- Issued
- Dec 13, 1984
- Expires
- May 31, 2028
- Workers' compensation
- Workers' Compensation Insurance — Zurich American Insurance Company
- Contractor's bond
- $25,000 — Western Surety Company
- DIR public works registration
- Registered through Jun 30, 2029
From the California Contractors State License Board (CSLB) public license file, last updated Aug 11, 2026. Verify license #466960 on CSLB's License Check.
California public works
ATS MECHANICAL appears on 27 public works projects registered with the California Department of Industrial Relations, 4 of them as the prime contractor, for 21 awarding bodies between 2019 and 2026. Projects it led total $172,019 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| May 13, 2026 | Vinci Park Chiller RepairHVAC & mechanical | Berryessa Union School District | Prime | $32,876 |
| Mar 17, 2026 | C252000024707HVAC & mechanical | California State University East Bay | Subcontractor | $1,681,037 |
| Feb 24, 2026 | Hall of Justice Court Tenant ImprovementBuildings & facilities | County of San Mateo - Facilities Projects & Construction | Subcontractor | $7,489,000 |
| Feb 4, 2026 | Orion HVAC ProjectHVAC & mechanical | Redwood City School District | Subcontractor | $4,545,678 |
| Jan 27, 2026 | JOC 2601 - General ConstructionOther | County of San Mateo - Facilities Projects & Construction | Subcontractor | $6,000,000 |
| Nov 24, 2025 | Emergency - Auditorium CompressorOther | San Mateo County Transit District | Prime | $43,205 |
| Oct 15, 2025 | HVAC Underground Piping ReplacementHVAC & mechanical | Berryessa Union School District | Prime | $67,944 |
| Sep 17, 2025 | O'Connor 81 DA TankHVAC & mechanical | County of Santa Clara, Facilities and Fleet - JOC | Subcontractor | $1,119,548 |
| Sep 12, 2025 | Mariposa Lodge Refresh projectPlumbing & restrooms | County of Santa Clara, Facilities and Fleet - JOC | Subcontractor | $920,247 |
| Aug 6, 2025 | General Construction-Millbrae HQBuildings & facilities | San Mateo County Transit District | Subcontractor | $7,836,071 |
| Aug 1, 2025 | Innovation Campus Phase IIIBuildings & facilities | Milpitas Unified School District | Subcontractor | $588,426 |
| Jun 4, 2025 | West School New MPR BuildingBuildings & facilities | hillsborough school district | Subcontractor | $19,955,670 |
| May 13, 2025 | Enterprise Elevator ModernizationElevators & conveying | County of Alameda GSA-BMD | Subcontractor | $476,478 |
| Apr 9, 2025 | Aster Plumbing Repairs2Plumbing & restrooms | Catalyst Housing Group LLC | Prime | $27,994 |
| Mar 12, 2025 | CSCHS Job Order Contract 41Other | County of Santa Clara, SCVHHS Facilities | Subcontractor | $6,204,503 |
| Mar 12, 2025 | CSCHS Job Order Contract 40Other | County of Santa Clara, SCVHHS Facilities | Subcontractor | $6,204,503 |
| Mar 12, 2025 | CSCHS Job Order Contract 39Other | County of Santa Clara, SCVHHS Facilities | Subcontractor | $6,204,503 |
| Mar 11, 2025 | C1949627Buildings & facilities | UCSF Real Estate | Subcontractor | $1,605,900 |
| Mar 3, 2025 | Santa Clara CH - Elevator ModernizationFire & life safety | Judicial Council of California - (PUB WORKS) | Subcontractor | $665,084 |
| Mar 1, 2025 | BUILDING: Interim Housing at Cherry AveBuildings & facilities | City of San Jose | Subcontractor | $12,775,206 |
| Jul 17, 2024 | Audiology Office and Conference Room RenElectrical, low voltage & AV | San Jose State University | Subcontractor | $290,844 |
| Oct 30, 2023 | Colibri CommonsOther | MP 965 Weeks Street Associates, LP | Subcontractor | — |
| Oct 1, 2023 | San Ramon Valley Fire Protection DistricFire & life safety | San Ramon Valley Fire Protection District | Subcontractor | — |
| Oct 10, 2022 | Britton Middle School Student Union & AdBuildings & facilities | Morgan Hill Unified School District | Subcontractor | — |
| Jun 1, 2022 | Henry Robinson HVAC ReplacementHVAC & mechanical | CITY OF OAKLAND OPW | Subcontractor | — |
Most recent 25 of 27. 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
- County of Santa Clara, SCVHHS Facilities · 3 projects
- County of Santa Clara, Facilities and Fleet - JOC · 2 projects
- Berryessa Union School District · 2 projects
- County of San Mateo - Facilities Projects & Construction · 2 projects
- San Mateo County Transit District · 2 projects
- County of Alameda GSA-BMD · 1 project
- City of Stockton Municipal Utilities Department · 1 project
- Alameda Health System (AHS) · 1 project
- San Jose State University · 1 project
- Milpitas Unified School District · 1 project
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