Licensed Plumbing (C-36) contractors in San Marino, CA

The California Contractors State License Board (CSLB) lists 2 Plumbing (C-36) contractors in San Marino, California. Each links to a full dossier with license status, insurance, bond, and enforcement — as of October 7, 2026.

2 contractors

1. Aquatech Engineering INC DBA Aquatech Backflow Services

   San Marino, CA · CSLB #639936 · as of October 7, 2026
   Active · clear
2. Arroyo Flow Plumbing INC

   San Marino, CA · CSLB #1156447 · as of October 7, 2026
   Active · clear

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Data sourced from the California Contractors State License Board (CSLB), current as of October 7, 2026. IsItLicensed is not affiliated with or endorsed by the CSLB or the State of California. Always verify against the official record.