ADU CITIES Contractor Directory

Onyx Building Group Inc

● Active — license status verified against CSLB public data as of November 6, 2026

☎ Call (619) 324-1440Verify this license at CSLB
CSLB license#957645
ClassificationsB — General Building · C-35 — Lathing and Plastering · C-9 — Drywall
Office of record555 Raleigh Ave
El Cajon, CA 92020
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(619) 324-1440
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Insurance Company Of The West
Business typeCorporation
License issuedFebruary 11, 2011
License expiresFebruary 28, 2027

Is this your business? Claim this listing to enhance it with your website, photos, and project details.

Data source: CSLB public records as of November 6, 2026. License status can change at any time — verify live at CSLB before signing a contract.