ADU CITIES Contractor Directory

Alta Contracting

Also listed as: Alta Services Inc

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

☎ Call (951) 817-4386Verify this license at CSLB
CSLB license#742360
ClassificationsA — General Engineering · B — General Building · C-21 — Building Moving and Demolition
Office of record1147 Railroad St
Corona, CA 92882
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(951) 817-4386
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Cypress Insurance Company
Business typeCorporation
License issuedNovember 6, 1997
License expiresNovember 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.