AIRTIGHT CONSTRUCTION INC
California contractor license #818211 · Concord, Contra Costa County
License
- License number
- 818211
- Status
- Clear
- Classifications
- A General Engineering Contractor
- B General Building Contractor
- C-39 Roofing Contractor
- Business type
- Corporation
- Issued
- Mar 20, 2003
- Expires
- Mar 31, 2027
- Workers' compensation
- Workers' Compensation Insurance — Midwest Employers Casualty Company
- Contractor's bond
- $25,000 — American Contractors Indemnity Company
- DIR public works registration
- Registered through Jun 30, 2029
From the California Contractors State License Board (CSLB) public license file, last updated Apr 14, 2026. Verify license #818211 on CSLB's License Check.
California public works
AIRTIGHT CONSTRUCTION INC appears on 12 public works projects registered with the California Department of Industrial Relations, 10 of them as the prime contractor, for 4 awarding bodies between 2022 and 2025. Projects it led total $452,152 in reported contract value.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Nov 18, 2025 | Orland Fire Station Roof ReplacementPaving & streets | City of Orland | Prime | $98,136 |
| Oct 6, 2025 | 2025 Asphalt Repair Bancroft & ValhallaPaving & streets | MT. DIABLO UNIFIED SCHOOL DISTRICT PURCHASING | Prime | $58,575 |
| Aug 16, 2025 | 2025 Asphalt Project @ Mt. Diablo Elem.Paving & streets | MT. DIABLO UNIFIED SCHOOL DISTRICT PURCHASING | Prime | $31,279 |
| Aug 16, 2025 | 2025 Concrete Repair @ Rio Vista ElemPaving & streets | MT. DIABLO UNIFIED SCHOOL DISTRICT PURCHASING | Prime | $17,355 |
| Jul 15, 2025 | 2025 Patio Removal & Replacement @ MGESConcrete & masonry | MT. DIABLO UNIFIED SCHOOL DISTRICT PURCHASING | Prime | $20,835 |
| May 28, 2025 | LMES - Playground Structure DecommissionPaving & streets | Pittsburg Unified School District | Prime | $36,670 |
| May 28, 2025 | MVES WINDOW PROJECTBuildings & facilities | Pittsburg Unified School District | Prime | $97,500 |
| Oct 7, 2024 | RMJHS - Asphalt RemovalPaving & streets | Pittsburg Unified School District | Prime | $24,750 |
| Aug 1, 2024 | Walnut Acres ES Asphalt RepairPaving & streets | MT. DIABLO UNIFIED SCHOOL DISTRICT PURCHASING | Prime | $29,591 |
| Jun 29, 2024 | Mt Diablo Drainage Pipe RepairStorm drain & flood control | MT. DIABLO UNIFIED SCHOOL DISTRICT PURCHASING | Prime | $37,461 |
| Jun 2, 2023 | South Pasadena High School Sports FieldParks, landscape & fields | South Pasadena Unified School District | Subcontractor | — |
| Jul 15, 2022 | Clayton Valley Charter HS Concrete SlabConcrete & masonry | MT. DIABLO UNIFIED SCHOOL DISTRICT PURCHASING | Subcontractor | — |
Most recent 12 of 12. 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
- MT. DIABLO UNIFIED SCHOOL DISTRICT PURCHASING · 7 projects
- Pittsburg Unified School District · 3 projects
- South Pasadena Unified School District · 1 project
- City of Orland · 1 project
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