ADU CITIES Contractor Directory

Highball Signal Inc

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

CSLB license#977882
ClassificationsA — General Engineering · C-10 — Electrical
Office of record6767 Di Carlo Place
Rancho Cucamonga, CA 91739
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(310) 961-1122
Contractor bond$25,000 — Business Alliance Insurance Company
Workers' comp (CSLB record)Workers' Compensation Insurance — State Compensation Insurance Fund
Business typeCorporation
License issuedOctober 17, 2012
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.