ADU CITIES Contractor Directory

J C O S Development Inc

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

CSLB license#1031043
ClassificationsB — General Building · C-10 — Electrical
Office of record721 W Kimberly Ave
Placentia, CA 92870
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(714) 251-3023
Contractor bond$25,000 — Atlantic Specialty Insurance Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Endurance Assurance Corporation
Business typeCorporation
License issuedSeptember 15, 2017
License expiresSeptember 30, 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.