ADU CITIES Contractor Directory

Hercon Company Inc

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

CSLB license#603928
ClassificationsA — General Engineering · ASB — Asbestos Certification · B — General Building · C-10 — Electrical · C-12 — Earthwork and Paving · C-16 — Fire Protection · C-36 — Plumbing · C-42 — Sanitation System · HAZ — Hazardous Substance Removal
Office of record30211 Avenida De Las Banderassuite 200
Rancho Santa Margarita, CA 92688
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(949) 766-6770
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Exempt
Business typeCorporation
License issuedOctober 3, 1990
License expiresDecember 31, 2026

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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.