ADU CITIES Contractor Directory

William Bonadiman

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

☎ Call (909) 224-4843Verify this license at CSLB
CSLB license#999447
ClassificationsA — General Engineering
Office of record2141 Mentone Blvd
Mentone, CA 92359
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(909) 224-4843
Contractor bond$25,000 — Travelers Casualty And Surety Company Of America
Workers' comp (CSLB record)Exempt
Business typeSole Owner
License issuedDecember 19, 2014
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.