ADU CITIES Contractor Directory

Cornerstone Utility Engineering

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

CSLB license#1137004
ClassificationsA — General Engineering · B — General Building
Office of record13392 Amargosa Rd
Victorville, CA 92392
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(760) 503-5545
Contractor bond$25,000 — Great American Insurance Company
Workers' comp (CSLB record)Workers' Compensation Insurance — State Compensation Insurance Fund
Business typeCorporation
License issuedMay 2, 2025
License expiresMay 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.