ADU CITIES Contractor Directory

Black Rock Construction Company

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

CSLB license#943308
ClassificationsA — General Engineering · C-8 — Concrete
Office of record929 Mariner St
Brea, CA 92821
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(714) 412-3106
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Insurance Company Of The West
Business typeCorporation
License issuedFebruary 8, 2010
License expiresFebruary 29, 2028

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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.