Renton, WA · King County
Tub to Shower Conversion in Renton, WA: Cost & Permits
What tub to shower conversion actually costs in Renton, whether you need a permit, which inspections apply, and how long the job takes.
Verified August 2026
Typical local cost
$8,700
$4,200 – $19,300
per conversion
$4,250 – $19,350
Permit fee
$105 – $370
Modeled allowance
vs national
+21%
local labor & materials
Looking for pricing detail? The full tub to shower conversion cost breakdown for Renton covers cost by size and material, the local cost model and nearby markets.
Do you need a permit for tub to shower conversion in Renton, WA?
Usually yes
In most cases yes — King County and the City of Renton 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.
Renton sits in King County, Washington. Persistent rainfall and moisture management dominate exterior detailing, while seismic provisions apply to structural and foundation work. Work outside city limits is permitted by the county building department rather than the city.
Cost breakdown in Renton
| Low endSimple scope, competitive bid | $4,200 |
|---|---|
| TypicalMost homeowners land here | $8,700 |
| High endComplex access, premium materials | $19,300 |
| per conversion | $4,250 – $19,350 |
| Permit fee | Estimated allowance $105–$370Modeled from comparable fee schedules — not an official quoted fee. |
| Permit authority | City of Renton building departmentModeled estimate |
| Timeline | 3-7 days of work, 2-5 weeks including permitting |
Math: national baseline $3,500–$16,000 × Renton cost index 1.16. Permit fees use a 1.15 local multiplier. Estimates, not quotes.
What drives your price here
- 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
Permit process and inspections
| Permit required | Usually yes |
|---|---|
| Who pulls it | Licensed contractor |
| Inspections | Plumbing rough-in, Shower pan water test, Final inspection |
| Documents | Plumbing permit application, Contractor license and insurance |
| Apply | Renton building department (no verified online portal on file) |
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.
Tub to Shower costs in nearby cities
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.
Page data quality: 89/100
- ✓ Verified permit status
- — Official source linked
- ✓ Local cost range
- ✓ Inspection detail
- ✓ Unique local rule
- ✓ Local fee estimate
- ✓ Useful FAQ
- ✓ Relevant calculator
- ✓ Internal links