ADU CITIES Contractor Directory

Tian Qi

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

☎ Call (714) 269-4581Verify this license at CSLB
CSLB license#971912
ClassificationsB — General Building
Office of record21710 Lost River Drive
Diamond Bar, CA 91765
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(714) 269-4581
Contractor bond$25,000 — Business Alliance Insurance Company
Workers' comp (CSLB record)Exempt
Business typeSole Owner
License issuedApril 6, 2012
License expiresApril 30, 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.