ADU CITIES Contractor Directory

Sterling Alarm Company

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

☎ Call (909) 981-9561Verify this license at CSLB
CSLB license#671298
ClassificationsC-10 — Electrical · C-7 — Low Voltage Systems
Office of recordP O Box 1751
Upland, CA 91785
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(909) 981-9561
Contractor bond$25,000 — Western Surety Company
Workers' comp (CSLB record)Exempt
Business typeCorporation
License issuedMay 14, 1993
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.