ADU CITIES Contractor Directory

Protex Construction

Also listed as: Protex Engineering And Construction

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

☎ Call (714) 265-7661Verify this license at CSLB
CSLB license#943626
ClassificationsB — General Building
Office of record13505 Yorba Ave Unit O
Chino, CA 91710
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(714) 265-7661
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Insurance Company Of The West
Business typeCorporation
License issuedFebruary 22, 2010
License expiresFebruary 29, 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.