Portland, OR · Multnomah County
Tub to Shower Conversion in Portland, OR: Cost & Permits
What tub to shower conversion actually costs in Portland, whether you need a permit, which inspections apply, and how long the job takes.
Verified August 2026
Typical local cost
$8,900
$4,300 – $19,800
per conversion
$4,350 – $19,800
Permit fee
$115 – $410
Modeled allowance
vs national
+24%
local labor & materials
Looking for pricing detail? The full tub to shower conversion cost breakdown for Portland covers cost by size and material, the local cost model and nearby markets.
Do you need a permit for tub to shower conversion in Portland, OR?
Usually yes
In most cases yes — Multnomah County and the City of Portland 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.
Persistent winter rain drives roofing, gutter and moisture-intrusion work, and permit review is among the slower large-metro processes.
Cost breakdown in Portland
| Low endSimple scope, competitive bid | $4,300 |
|---|---|
| TypicalMost homeowners land here | $8,900 |
| High endComplex access, premium materials | $19,800 |
| per conversion | $4,350 – $19,800 |
| Permit fee | Estimated allowance $115–$410Modeled from comparable fee schedules — not an official quoted fee. |
| Permit authority | City of Portland building departmentModeled estimate |
| Timeline | 3-7 days of work, 2-5 weeks including permitting |
Math: national baseline $3,500–$16,000 × Portland cost index 1.18. Permit fees use a 1.28 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 | Portland permit portal |
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: 100/100
- ✓ Verified permit status
- ✓ Official source linked
- ✓ Local cost range
- ✓ Inspection detail
- ✓ Unique local rule
- ✓ Local fee estimate
- ✓ Useful FAQ
- ✓ Relevant calculator
- ✓ Internal links