ADU CITIES Contractor Directory

Castle Contractor

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

☎ Call (951) 303-6208Verify this license at CSLB
CSLB license#933993
ClassificationsC-10 — Electrical · D-28 · D-35
Office of record3620 S Allston Paseo 12
Ontario, CA 91761
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(951) 303-6208
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Exempt
Business typeSole Owner
License issuedJune 13, 2009
License expiresJune 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.