ADU CITIES Contractor Directory

Klein Plumbing And Drain Cleaning Service

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

CSLB license#850452
ClassificationsC-36 — Plumbing
Office of record5011 N Mangrove Ave
Covina, CA 91724
Address as listed in the CSLB record — the office of record, not a service-area claim.
Phone (CSLB record)(626) 967-3993
Contractor bond$25,000 — Nationwide Mutual Insurance Company
Workers' comp (CSLB record)Exempt
Business typeSole Owner
License issuedDecember 1, 2004
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.