ADU CITIES Contractor Directory

Modern Builders

Also listed as: Mo Builds LLC

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

☎ Call (909) 532-1681Verify this license at CSLB
CSLB license#1109899
ClassificationsB — General Building
Office of record8523 Quarter Horse Ln
Rancho Cucamonga, CA 91701
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(909) 532-1681
Contractor bond$25,000 — Arch Insurance Company
Workers' comp (CSLB record)Exempt
Business typeLimited Liability
License issuedSeptember 8, 2023
License expiresSeptember 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.