ADU CITIES Contractor Directory

Simpson General Building Contractor Inc

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

CSLB license#810572
ClassificationsB — General Building · C-33 — Painting and Decorating · D-06
Office of record9258 Baseline Rd
Rancho Cucamonga, CA 91701
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(949) 378-8074
Contractor bond$25,000 — Western Surety Company
Workers' comp (CSLB record)Exempt
Business typeCorporation
License issuedJuly 15, 2002
License expiresFebruary 28, 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.