ADU CITIES Contractor Directory

Groundbreaking Design Building

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

CSLB license#1087605
ClassificationsB — General Building
Office of record239 E Locust Street
Ontario, CA 91761
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(562) 544-4267
Contractor bond$25,000 — Merchants Bonding Company (mutual)
Workers' comp (CSLB record)Exempt
Business typeCorporation
License issuedFebruary 23, 2022
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.