ADU CITIES Contractor Directory

Nguyen Giang Dien

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

☎ Call (714) 293-1271Verify this license at CSLB
CSLB license#987303
ClassificationsC-10 — Electrical · C-20 — Warm-Air Heating, Ventilating and Air-Conditioning
Office of record3240 East Almond Ave
Orange, CA 92869
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(714) 293-1271
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Wesco Insurance Company
Business typeSole Owner
License issuedSeptember 27, 2013
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.