ADU CITIES Contractor Directory

Brilliant Building Group

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

CSLB license#1136246
ClassificationsB — General Building
Office of record4251 E Brickell St
Ontario, CA 91761
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(840) 234-2249
Contractor bond$25,000 — Merchants Bonding Company (mutual)
Workers' comp (CSLB record)Exempt
Business typeCorporation
License issuedApril 21, 2025
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.