ADU CITIES Contractor Directory

Diamond Hammer Construction

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

☎ Call (626) 893-9453Verify this license at CSLB
CSLB license#1130663
ClassificationsB — General Building
Office of record824 E Alwood St
West Covina, CA 91790
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(626) 893-9453
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Exempt
Business typeSole Owner
License issuedDecember 18, 2024
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.