Nassau County, New York
Plumbing Code Checklist

Make sure your plumbing work meets local building codes before the inspector comes out. Covers Nassau County requirements based on NYC Building Code 2022 / NYS Uniform Fire Prevention & Building Code 2023.

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What's in the checklist

  • ✅ Water supply — pipe sizing, material, pressure
  • ✅ Drainage — venting, trap arms, cleanouts
  • ✅ Fixtures — faucet connections, toilet clearances
  • ✅ Water heater — T&P valve, expansion tank, seismic straps
  • ✅ Shut-off valves — main valve, fixture stops, accessibility
  • ✅ Freeze protection — pipe insulation requirements
  • ✅ Backflow prevention — RPZ valve requirements

Based on NYC Building Code 2022 / NYS Uniform Fire Prevention & Building Code 2023

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Nassau County building code requirements in plain English. Mark each item Pass, Fail, or N/A. Get a PDF report.

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