ADU CITIES Contractor Directory

Earthworks Engineering

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

☎ Call (909) 519-6754Verify this license at CSLB
CSLB license#1031142
ClassificationsA — General Engineering
Office of record7404 Henbane St
Rancho Cucamonga, CA 91739
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(909) 519-6754
Contractor bond$25,000 — Nationwide Mutual Insurance Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Continental Casualty Company
Business typeCorporation
License issuedSeptember 19, 2017
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.