ADU CITIES Contractor Directory

United Partition Systems Inc

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

CSLB license#441381
ClassificationsB — General Building · D-34
Office of record150 Business Center Dr
Corona, CA 92880
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(909) 947-1077
Contractor bond$25,000 — Merchants Bonding Company (mutual)
Workers' comp (CSLB record)Workers' Compensation Insurance — Benchmark Insurance Company
Business typeCorporation
License issuedJune 16, 1983
License expiresJune 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.