ADU CITIES Contractor Directory

Knox Brothers Construction Inc

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

CSLB license#580452
ClassificationsB — General Building
Office of recordPO Box 11312
Costa Mesa, CA 92627
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(714) 454-2701
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Workers' Compensation Insurance — State Compensation Insurance Fund
Business typeCorporation
License issuedNovember 2, 1989
License expiresFebruary 28, 2027

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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.