ADU CITIES Contractor Directory

Rt Diamond Enterprise

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

☎ Call (909) 569-8398Verify this license at CSLB
CSLB license#1048351
ClassificationsB — General Building · D-34
Office of record3345 N De Lay Ave
Covina, CA 91723
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(909) 569-8398
Contractor bond$25,000 — Atlantic Specialty Insurance Company
Workers' comp (CSLB record)Exempt
Business typeSole Owner
License issuedDecember 27, 2018
License expiresDecember 31, 2026

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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.