ADU CITIES Contractor Directory

M J 3 Construction Inc

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

☎ Call (323) 353-9335Verify this license at CSLB
CSLB license#1025531
ClassificationsB — General Building
Office of record485 E 18TH Street
Upland, CA 91784
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(323) 353-9335
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Exempt
Business typeCorporation
License issuedApril 6, 2017
License expiresApril 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.