ADU CITIES Contractor Directory

Castillos Construction Services Inc

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

☎ Call (909) 430-8752Verify this license at CSLB
CSLB license#1069732
ClassificationsB — General Building
Office of record16397 Orange Way
Fontana, CA 92335
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(909) 430-8752
Contractor bond$25,000 — Nationwide Mutual Insurance Company
Workers' comp (CSLB record)Exempt
Business typeCorporation
License issuedOctober 12, 2020
License expiresOctober 31, 2028

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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.