ALL AIR MECHANICAL CONTRACTORS INC
California contractor license #851335 · South San Francisco, San Mateo County
License
- License number
- 851335
- Status
- Clear
- Classifications
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- C-43 Sheet Metal Contractor
- Business type
- Corporation
- Issued
- Dec 16, 2004
- Expires
- Dec 31, 2026
- Workers' compensation
- Workers' Compensation Insurance — Zurich American 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 7, 2025. Verify license #851335 on CSLB's License Check.
California public works
ALL AIR MECHANICAL CONTRACTORS INC appears on 5 public works projects registered with the California Department of Industrial Relations, for 5 awarding bodies between 2019 and 2025.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Nov 18, 2025 | New Aquatic and Community Center ProjectParks, landscape & fields | City of Walnut Creek | Subcontractor | $51,578,000 |
| Jun 17, 2025 | FLOOD RESILIENCY IMPROVEMENTS OF LAKE MEStorm drain & flood control | Alameda County Public Works Agency | Subcontractor | $1,584,003 |
| Apr 22, 2025 | Oakland Road Warehouse T.I.Paving & streets | County of Santa Clara, Facilities and Fleet | Subcontractor | $10,570,000 |
| Sep 1, 2023 | Madrone PlaceOther | San Jose W San Carlos LP | Subcontractor | — |
| Jul 19, 2019 | Mission Bay School GeotechBuildings & facilities | San Francisco Unified School District | Subcontractor | — |
Most recent 5 of 5. 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
- San Jose W San Carlos LP · 1 project
- City of Walnut Creek · 1 project
- Alameda County Public Works Agency · 1 project
- County of Santa Clara, Facilities and Fleet · 1 project
- San Francisco Unified School District · 1 project
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