Do you need a permit for tub to shower conversion in Louisville, KY?
Tub to Shower Conversion permit in Louisville
Usually yes
In most cases yes — Jefferson County and the City of Louisville generally require a permit for tub to shower conversion. Height, size and location on the lot determine the exact review, so confirm with the building department before you start.
Permitting authority: City of Louisville building departmentModeled estimate for work inside city limits; addresses outside city limits are permitted by Jefferson County.
Typical planning guidance for this scope in Louisville, not a locally verified ruling. We link City of Louisville building department so you can confirm the current rule. Model vintage August 2026. Dollar figures are modeled estimates, not quotes.
How hard is this permit?
Scored from the stored permit requirement, trade reviews, inspection load, wind and flood overlays, and how this jurisdiction sets its fees.
Permit complexity: Moderate
49/100 on the Hometriva Permit Complexity Index
Tub to Shower permits in Louisville score 49/100 on the Hometriva Permit Complexity Index (moderate). Expect roughly 4–15 calendar days of review and 3 inspections, plus 1 added review.
- Plan review
- 4–15 days
- Inspections
- 3
- Added reviews
- 1
- Plumbing review
How this score is calculated
| Factor | Score | Why |
|---|---|---|
| Permit requirement | 17/22 | Tub to Shower Conversion is usually required in Louisville. |
| Trade reviews | 6/18 | 1 discipline review beyond building: plumbing review. |
| Inspection load | 12/16 | 3 scheduled inspections on a typical job. |
| Wind & storm review | 2/16 | Standard wind design region; product approval is routine. |
| Coastal & flood overlays | 5/14 | Overlay review is uncommon on inland parcels. |
| Jurisdiction process | 7/14 | City of Louisville building department issues the permit; fees are set on a published schedule. |
Who issues each permit
Disciplines are tracked separately — the building permit issuer is not always the body that reviews electrical, plumbing, zoning or fire.
| Discipline | Issuing authority |
|---|---|
| building | City of Louisville building departmentModeled estimate |
| electrical | City of Louisville building departmentModeled estimate |
| mechanical | City of Louisville building departmentModeled estimate |
| plumbing | City of Louisville building departmentModeled estimate |
| zoning | City of Louisville building departmentModeled estimate |
| fire | City of Louisville building departmentModeled estimate |
Permit facts
| Permit authority | City of Louisville building department[building department]Modeled estimate |
|---|---|
| Permit fee | Estimated allowance $90–$315Modeled from comparable fee schedules — not an official quoted fee. |
| Who can pull it | Licensed contractor |
| Owner-builder | Allowed on owner-occupied homes |
| Inspections | Plumbing rough-in, Shower pan water test, Final inspection |
| Typical review timeModeled from complexity score, not a published SLA. | 4–15 calendar days |
| Typical timeline | 3-7 days of work, 2-5 weeks including permitting |
Documents to submit
- • Plumbing permit application
- • Contractor license and insurance
How to apply in Louisville
- 1. Confirm scope with City of Louisville building department — exemptions vary by scope, not project type.
- 2. Prepare the documents above, including product approvals where wind-borne debris rules apply.
- 3. Submit through the Louisville permit portal and pay the review fee.
- 4. Schedule each required inspection as the work reaches that stage.
- 5. Get the final inspection signed off. An open permit can surface in a title search and often has to be closed before a sale completes, so do not leave it open.
What happens if you skip the permit
Unpermitted work commonly triggers double permit fees, a code enforcement lien, forced exposure of concealed work, insurance claim denial, and a failed disclosure at closing. Retroactive permits are possible but cost more and can require tearing out finished work.
Frequently asked questions
How long does tub to shower conversion take?
3-7 days of work, 2-5 weeks including permitting. Permit review and inspection scheduling are usually the largest source of variation.
What changes the price the most?
The largest cost drivers are drain relocation from tub to shower position; tile versus acrylic shower base and walls; glass enclosure type.
+ Pulled this permit in Louisville? Record the fee you paid
Fee schedules are published; what an office charges on a real job is not. Recorded permits are how a modeled fee becomes a verified one. Nothing is published until at least 5 permits are recorded for a jurisdiction.
Sources
Sources & verification
- City of Louisville building department
- Louisville permit portal
- Kentucky Department of Housing, Buildings and Construction
- International Code Council (IRC)
Model vintage August 2026. The links above are the issuing agencies' own pages — we publish them so you can confirm the current rule yourself, not as evidence that each fact on this page was re-checked with them today. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing, not quotes. Permit rules change; confirm with the building department before starting work.