WESTATES MECHANICAL CORPORATION INC
California contractor license #828590 · Hayward, Alameda County
License
- License number
- 828590
- Status
- Clear
- Classifications
- B General Building Contractor
- C-16 Fire Protection Contractor
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- C-36 Plumbing Contractor
- Business type
- Corporation
- Issued
- Dec 17, 2003
- Expires
- Dec 31, 2027
- Workers' compensation
- Workers' Compensation Insurance — Travelers Property Casualty Company Of America
- 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 Nov 6, 2025. Verify license #828590 on CSLB's License Check.
California public works
WESTATES MECHANICAL CORPORATION INC appears on 29 public works projects registered with the California Department of Industrial Relations, for 24 awarding bodies between 2021 and 2026.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| May 13, 2026 | Sanchez ES Kiln RoomBuildings & facilities | San Francisco Unified School District | Subcontractor | $142,560 |
| Mar 3, 2026 | Sherman Recovery CenterDemolition & site work | Contra Costa County Public Works Department | Subcontractor | $13,227,000 |
| Dec 9, 2025 | Tenant Improvement 911 Call CenterDemolition & site work | City of San Jose | Subcontractor | $6,091,858 |
| Dec 5, 2025 | Lazuli LandingBuildings & facilities | MP Lazuli Landing Associates, L.P. | Subcontractor | $58,682,954 |
| Oct 21, 2025 | LupinaOther | Almaden Affordable Housing, L.P. | Subcontractor | $68,237,467 |
| Jun 5, 2025 | Roosevelt MS Modernization Building AParks, landscape & fields | Oakland Unified School District | Subcontractor | $68,397,205 |
| Apr 30, 2025 | 160 FreelonOther | Mayor''s Office of Housing and Community Development | Subcontractor | $68,500,000 |
| Apr 4, 2025 | RSSP Foothill Bldg. 4 Servery & FreightElevators & conveying | University of CA-Berkeley | Subcontractor | $4,337,835 |
| Mar 28, 2025 | Recurso de FuerzaPlumbing & restrooms | DignityMoves | Subcontractor | $2,752,521 |
| Feb 24, 2025 | 1174 Folsom RehabOther | City and County of San Francisco Department of Homelessness and Supportive Housi | Subcontractor | $1,000,000 |
| Nov 12, 2024 | ECIC ImprovementsOther | San Francisco State University 2 | Subcontractor | $1,991,103 |
| Jul 30, 2024 | Improve Peralta Oaks NorthOther | East Bay Regional Park District - D&C | Subcontractor | $59,847,000 |
| May 29, 2024 | Modernization and New TK/K BuildingDemolition & site work | Woodside Elementary School District | Subcontractor | $850,000 |
| May 20, 2024 | PH MSB S667&S675 AC & BSL2HVAC & mechanical | UCSF Real Estate | Subcontractor | — |
| Mar 20, 2024 | UNITED PLAYAZ PROJECTOther | Mayor''s Office Housing & Community Development | Subcontractor | — |
| Feb 16, 2024 | MB GH 5th Flr Labs S549 & S543 RenovatioBuildings & facilities | UCSF Real Estate | Subcontractor | — |
| Jan 17, 2024 | Weill IND Cryo-EMOther | UCSF Real Estate | Subcontractor | — |
| Aug 16, 2023 | CSC Utilities Corporation Yard RenovatioBuildings & facilities | ASG Builders | Subcontractor | — |
| Aug 15, 2023 | SCVMC Building M Cart Washer and RO SystBuildings & facilities | County of Santa Clara, SCVHHS Facilities | Subcontractor | — |
| 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 17, 2023 | MP Modernization of Building 500Buildings & facilities | East Side Union High School District | Subcontractor | — |
| Feb 24, 2023 | Madrone TerraceOther | Madrone Terrace, L.P. | Subcontractor | — |
| Nov 27, 2022 | ESUHSD Mt Pleasant Community Wi-Fi InfraBuildings & facilities | City of San Jose | Subcontractor | — |
| Aug 8, 2022 | Ancora PlaceBuildings & facilities | Ancora L.P. | Subcontractor | — |
Most recent 25 of 29. 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
- UCSF Real Estate · 3 projects
- City of San Jose · 2 projects
- MOHCD · 2 projects
- County of Santa Clara, SCVHHS Facilities · 1 project
- East Bay Regional Park District - D&C · 1 project
- Peralta Community College District · 1 project
- Mayor''s Office of Housing and Community Development · 1 project
- Woodside Elementary School District · 1 project
- City and County of San Francisco Department of Homelessness and Supportive Housi · 1 project
- 231 Grant Ave LLC · 1 project
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