ONYX BUILDING GROUP INC
California contractor license #957645 · El Cajon, San Diego County
License
- License number
- 957645
- Status
- Clear
- Classifications
- B General Building Contractor
- C-9 Drywall Contractor
- C-35 Lathing and Plastering Contractor
- Business type
- Corporation
- Issued
- Feb 11, 2011
- Expires
- Feb 28, 2027
- Workers' compensation
- Workers' Compensation Insurance — Insurance Company Of The West
- Contractor's bond
- $25,000 — American Contractors Indemnity Company
- DIR public works registration
- Registered through Jun 30, 2028
From the California Contractors State License Board (CSLB) public license file, last updated Feb 9, 2026. Verify license #957645 on CSLB's License Check.
California public works
ONYX BUILDING GROUP INC appears on 48 public works projects registered with the California Department of Industrial Relations, for 21 awarding bodies between 2021 and 2026.
| Date | Project | Awarding body | Role | Contract amount |
|---|---|---|---|---|
| Sep 29, 2026 | 26-27-01PD- Patriot HS-Concession CAT 03Buildings & facilities | Jurupa Unified School District | Subcontractor | $512,031 |
| Mar 24, 2026 | Johnson ES WSM GMP No. 2 LLBBuildings & facilities | San Diego Unified School District | Subcontractor | $32,326,739 |
| Mar 11, 2026 | Carlsbad Village/Seaside AcademyOther | Carlsbad Unified School District | Subcontractor | $5,355,040 |
| Mar 3, 2026 | Embellece El Centro Downtown ProjectElectrical, low voltage & AV | City of El Centro | Subcontractor | $4,002,000 |
| Feb 27, 2026 | Park Dale Lane ES Kitchen ModernizationPlumbing & restrooms | Encinitas Union School District | Subcontractor | $2,823,148 |
| Feb 6, 2026 | District Office building repairBuildings & facilities | San Marcos Unified School District | Subcontractor | $75,000 |
| Nov 17, 2025 | CN-4525 HVAC & Roofing ECVHSRoofing | Grossmont Union High School District 1 | Subcontractor | $1,554,652 |
| Oct 22, 2025 | Imperial County Substance Use Disorder FBuildings & facilities | Imperial County Department of Public Works | Subcontractor | $1,200,000 |
| Oct 7, 2025 | EAGLES SPORTS PARK STREET IMPROVEMENTSWater | City of Desert Hot Springs | Subcontractor | $1,617,000 |
| May 13, 2025 | Crown Point ES Photovoltaic & ReroofingSolar, EV & energy | San Diego Unified School District | Subcontractor | $3,099,219 |
| Apr 29, 2025 | Millennial Tech MS WSM LLBBuildings & facilities | San Diego Unified School District | Subcontractor | $50,073,278 |
| Apr 15, 2025 | Cubberley ES WSM Construction Svcs LLBBuildings & facilities | San Diego Unified School District | Subcontractor | $32,126,428 |
| Feb 13, 2025 | Knob Hill Elementary RenovationBuildings & facilities | San Marcos Unified School District | Subcontractor | $65,000,000 |
| Jan 28, 2025 | Audeo CS WSM Phase II GMP 1 LLBBuildings & facilities | San Diego Unified School District | Subcontractor | $26,817,927 |
| Jan 28, 2025 | Fulton K-8 School WSM Construct Svcs LLBBuildings & facilities | San Diego Unified School District | Subcontractor | $12,426,907 |
| Jan 16, 2025 | WPMS RenovationBuildings & facilities | San Marcos Unified School District | Subcontractor | $70,000,000 |
| Jan 2, 2025 | CN-4070 MT MIGUEL SCIENCE BLDG FINISHESBuildings & facilities | Grossmont Union High School District 1 | Subcontractor | $1,399,832 |
| Dec 12, 2024 | Monroe Street Pool Replacement ProjectPaving & streets | city of carlsbad or carlsbad municipal water district | Subcontractor | $14,126,653 |
| Oct 17, 2024 | CB2025-01 ERICKSON-HALL DNO Phase 3Buildings & facilities | San Dieguito Union High School District | Subcontractor | $4,074,107 |
| Oct 17, 2024 | CB2025-01 ERICKSON-HALL OCMS Phase 1Paving & streets | San Dieguito Union High School District | Subcontractor | $4,045,809 |
| Oct 17, 2024 | CB2025-01 ERICKSON-HALL CCA Phase 2HVAC & mechanical | San Dieguito Union High School District | Subcontractor | $4,317,320 |
| Sep 24, 2024 | Rolando Park ES WSM Precon Services LLBParks, landscape & fields | San Diego Unified School District | Subcontractor | $331,766 |
| Sep 12, 2024 | 286084Buildings & facilities | University of California, San Diego | Subcontractor | $1,168,350 |
| Jul 25, 2024 | Mira Mesa Community Park Phase II ImprovParks, landscape & fields | City of San Diego | Subcontractor | $43,308,127 |
| Jun 25, 2024 | Health Sciences High & Middle CollegeBuildings & facilities | San Diego Unified School District | Subcontractor | $33,937,103 |
Most recent 25 of 48. 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 Diego Unified School District · 22 projects
- San Dieguito Union High School District · 4 projects
- Sweetwater Union High School District 2 · 2 projects
- San Marcos Unified School District · 2 projects
- Grossmont Union High School District 1 · 2 projects
- Fallbrook Union High School District · 1 project
- University of California - Riverside · 1 project
- City of El Centro · 1 project
- City of San Diego · 1 project
- City of Desert Hot Springs · 1 project
Is this your business?
Claim it on Atriam to add your work photos, service area and a booking link, and to run calls, leads, estimates and invoices in one place — free.
Claim this business