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

$4,200 – $19,300

Most Washington homeowners pay around $8,700, or $4,200$19,300 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$4,200
Typical project$8,700
Premium / complex$19,300
per conversion$4,200 – $19,300
Permit fees$105 – $370
vs national baseline+21%
Timeline3-7 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

Tub to Shower pricing by city

Permit difficulty by city

Hometriva Permit Complexity Index: review load, added discipline reviews, wind and flood overlays, and how each jurisdiction sets fees.

CityComplexityReview timeInspections
Seattle49/100 · Moderate415 days3
Spokane49/100 · Moderate415 days3
Tacoma62/100 · Complex519 days3
Vancouver62/100 · Complex519 days3
Bellevue62/100 · Complex519 days3
Kent62/100 · Complex519 days3
Everett62/100 · Complex519 days3
Renton62/100 · Complex519 days3
Yakima62/100 · Complex519 days3
Bellingham62/100 · Complex519 days3
Olympia62/100 · Complex519 days3

What Washington homeowners reported paying

Invoice amounts submitted for this state, shown beside the model.

Rebates and incentives in Washington

What is still claimable, what expired, and where to check your own utility territory.

State home energy rebate programs (HEAR / HOMES)Varies by program

Federally funded, state-administered rebates for heat pumps, panel and wiring upgrades, insulation and whole-home retrofits. Availability, income tiers and funding depend entirely on the state program and can pause when a state's allocation runs out.

U.S. DOE — Home Energy Rebates

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.