Missouri · Plumbing
Tub to Shower Conversion cost in Missouri
Statewide pricing, permit posture and inspection sequence for tub to shower conversion in Missouri. Your city or county issues the actual permit — use the local links below to confirm fees.
Verified August 2026
Tub to Shower Conversion cost in Missouri
$3,200 – $14,400
Most Missouri homeowners pay around $6,500, or $3,150–$14,400 per conversion. Permit fees typically add $75–$270.
Permit: Usually yes. Code adoption is local — local adoption of the irc; no statewide residential code.
Cost breakdown
| Budget scope | $3,200 |
|---|---|
| Typical project | $6,500 |
| Premium / complex | $14,400 |
| per conversion | $3,150 – $14,400 |
| Permit fees | $75 – $270 |
| vs national baseline | -10% |
| Timeline | 3-7 days of work, 2-5 weeks including permitting |
What is different about tub to shower conversion in Missouri
Permitting varies more within Missouri than between many states — St. Louis County municipalities can require full review while nearby unincorporated areas require little.
Owner-builder: Homeowner permits widely allowed. Tub to Shower Conversion generally requires a licensed contractor to pull the permit, even where owner-builder status is available.
Inspections
- Plumbing rough-in
- Shower pan water test
- Final inspection
What drives the price
- Drain relocation from tub to shower position
- Tile versus acrylic shower base and walls
- Glass enclosure type
- Accessibility features such as grab bars and a bench
- Subfloor or slab repair after demolition
Frequently asked questions
Do I need a permit to convert a tub to a shower?
Usually yes. Moving or replacing the drain and valve is regulated plumbing work, so most Florida building departments require a plumbing permit and a shower pan water test.
Sources
Sources & verification
Last verified August 2026. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing — they are not quotes. Permit rules change; confirm with the building department before starting work.