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.
Plumbing permit requirements in Louisville, KY are conditional depending on project scope.
A Plumbing permit may be required depending on project scope in Louisville, KY. The local building department handles permit applications for Louisville. Below you will find the current thresholds, fees, and process for obtaining a plumbing permit in Louisville.
Permit Fees
Contact the local building department at (502) 574-3321 for current fee information.
How to Get a Plumbing Permit in Louisville
Verify whether your project meets the permit threshold in Louisville: contact the local building department to confirm if your project requires a permit.
Prepare your permit application and plans. Contact the local building department at their official website for required documentation.
Submit your application in person at the local building department.
Louisville Metro Planning and Design Services
Phone: (502) 574-3321 · Verified July 5, 2026 · 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