Washington · Plumbing
Tub to Shower Conversion cost in Washington
Statewide pricing, permit posture and inspection sequence for tub to shower conversion in Washington. 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 Washington
$4,100 – $18,600
Most Washington homeowners pay around $8,400, or $4,050–$18,550 per conversion. Permit fees typically add $105–$370.
Permit: Usually yes. Washington State Residential Code, based on the IRC, plus the State Energy Code
Cost breakdown
| Budget scope | $4,100 |
|---|---|
| Typical project | $8,400 |
| Premium / complex | $18,600 |
| per conversion | $4,050 – $18,550 |
| Permit fees | $105 – $370 |
| vs national baseline | +16% |
| Timeline | 3-7 days of work, 2-5 weeks including permitting |
What is different about tub to shower conversion in Washington
The State Energy Code is among the most demanding in the country and is pushing heat pumps to the default HVAC replacement, which changes both cost and rebate eligibility.
Owner-builder: Homeowner permits allowed on owner-occupied property. 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.