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Onyx Building Group Construction
Founded in 2009, Onyx Building Group Inc. is a woman-owned small business in El Cajon, California, specializing in metal framing, drywall, lath, plaster, EIFS, fireproofing, and vapor and air barrier installation. The company maintains a strong focus on public works as well as federal and private sector construction projects. Onyx has played a significant role in federal construction, with experience on F22 radar facilities, battle command centers, and deployment facilities. While based in California, Onyx Building Group’s operations have grown to include projects throughout New Mexico, South Dakota, Utah, Colorado, Wyoming, and Idaho. The firm holds C9 and C35 contractor licenses in California and is involved in both public and private construction developments.
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Onyx Building Group Inc License info
Verified License
| License # | 957645 |
| Status | Active |
| State | California |
| Type | Drywall, Lathing And Plastering, General Building |
| Business Type | Corporation |
- BuildZoom verified this license was active as of February 2026.
Verify this license's status for Onyx Building Group Inc at the California Contractors State License Board.
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95
BuildZoom Score
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | Insurance Company Of The West |