ADU CITIES Contractor Directory

Ronderos Engineering

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

CSLB license#1018556
ClassificationsA — General Engineering
Office of record9019 Coachella Avenue
Oak Hills, CA 92344
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(909) 938-3630
Contractor bond$25,000 — Jet Insurance Company
Workers' comp (CSLB record)Exempt
Business typeSole Owner
License issuedSeptember 21, 2016
License expiresMarch 31, 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.