ADU CITIES Contractor Directory

Kosco Incorporated

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

☎ Call (949) 583-9235Verify this license at CSLB
CSLB license#629293
ClassificationsB — General Building · C-15 — Flooring and Floor Covering · C-33 — Painting and Decorating
Office of record2156 Evans Street
Fullerton, CA 92833
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(949) 583-9235
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Workers' Compensation Insurance — State Compensation Insurance Fund
Business typeCorporation
License issuedSeptember 20, 1991
License expiresJanuary 31, 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.