ADU CITIES Contractor Directory

Ma Sou-chi

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

☎ Call (909) 610-5074Verify this license at CSLB
CSLB license#482500
ClassificationsB — General Building
Office of record3240 E Hilltonia Drive
West Covina, CA 91792
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(909) 610-5074
Contractor bond$25,000 — American Contractors Indemnity Company
Workers' comp (CSLB record)Workers' Compensation Insurance — Berkshire Hathaway Direct Insurance Company
Business typeSole Owner
License issuedNovember 12, 1985
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.