Plumbing Permit in Louisville (2026)
Plumbing permit requirements, fees, and process for Louisville, KY. Find out if you need a permit and how to apply.
Yes, a Plumbing permit is required in Louisville, KY.
A Plumbing permit is required in Louisville, KY. The Louisville Metro Planning and Design Services handles permit applications for Louisville. Below you will find the current thresholds, fees, and process for obtaining a plumbing permit in Louisville.
When Is a Permit Required?
When a Plumbing Permit Is Required in Louisville: All new plumbing work
Permit Fees
Plumbing Permit Fees in Louisville: $75–$325. Estimated timeline: 1-2 weeks.
Estimated timeline: 1-2 weeks
How to Get a Plumbing Permit in Louisville
Verify whether your project meets the permit threshold in Louisville: All new plumbing work.
Prepare your permit application and plans. Contact the Louisville Metro Planning and Design Services at https://louisvilleky.gov/government/develop-louisville for required documentation.
Submit your application online at https://louisvilleky.gov/government/construction-review or in person at the Louisville Metro Planning and Design Services.
Pay the permit fee: $75–$325.
Wait for plan check approval. Estimated timeline: 1-2 weeks.
Schedule required inspections through https://louisvilleky.gov/government/construction-review. All inspections must pass before project is finalized.
Important: Louisville Metro plumbing permit. MSD (Metropolitan Sewer District) connection fees for new sewer service.
Louisville Metro Planning and Design Services
Phone: See official source
Website: https://louisvilleky.gov/government/develop-louisville
Online Permits: https://louisvilleky.gov/government/construction-review
Hours: See official source
Frequently Asked Questions
Source: Louisville Building Code — Plumbing Requirements. Last verified April 6, 2026. View source