ADU CITIES Contractor Directory

Chien Hung Yuan

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

☎ Call (909) 393-9798Verify this license at CSLB
CSLB license#826710
ClassificationsB — General Building · C-10 — Electrical · C-16 — Fire Protection · C-36 — Plumbing
Office of record15800 El Prado Rd Suite C
Chino, CA 91708
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(909) 393-9798
Contractor bond$25,000 — Atlantic Specialty Insurance Company
Workers' comp (CSLB record)Exempt
Business typeSole Owner
License issuedOctober 27, 2003
License expiresDecember 31, 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.