ADU CITIES Contractor Directory

Diamond House Plumbing

Also listed as: Diamond House Construction Inc

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

☎ Call (800) 674-9440Verify this license at CSLB
CSLB license#830356
ClassificationsC-34 — Pipeline · C-36 — Plumbing · C-42 — Sanitation System
Office of record9800 Indiana Ave #10
Riverside, CA 92503
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(800) 674-9440
Contractor bond$25,000 — Philadelphia Indemnity Insurance Company
Workers' comp (CSLB record)Leasing Firm, Temp Agency, etc — Ace American Insurance Company
Business typeCorporation
License issuedDecember 31, 2003
License expiresJanuary 31, 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.