ADU CITIES Contractor Directory

Monarch Information Systems LLC

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

☎ Call (213) 820-2930Verify this license at CSLB
CSLB license#1007648
ClassificationsC-10 — Electrical
Office of record324 S Diamond Bar Blvd 362
Diamond Bar, CA 91765
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(213) 820-2930
Contractor bond$25,000 — Business Alliance Insurance Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Hartford Casualty Insurance Company
Business typeLimited Liability
License issuedSeptember 24, 2015
License expiresFebruary 28, 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.