Washington, DC · District of Columbia
Tub to Shower Conversion in Washington, DC: Cost & Permits
What tub to shower conversion actually costs in Washington, whether you need a permit, which inspections apply, and how long the job takes.
Verified August 2026
Typical local cost
$9,300
$4,500 – $20,600
per conversion
$4,500 – $20,600
Permit fee
$115 – $415
Modeled allowance
vs national
+29%
local labor & materials
Looking for pricing detail? The full tub to shower conversion cost breakdown for Washington covers cost by size and material, the local cost model and nearby markets.
Do you need a permit for tub to shower conversion in Washington, DC?
Usually yes
In most cases yes — District of Columbia and the City of Washington 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.
The Department of Buildings reviews all work district-wide, and historic-district review covers a large share of the housing stock.
Cost breakdown in Washington
| Low endSimple scope, competitive bid | $4,500 |
|---|---|
| TypicalMost homeowners land here | $9,300 |
| High endComplex access, premium materials | $20,600 |
| per conversion | $4,500 – $20,600 |
| Permit fee | Estimated allowance $115–$415Modeled from comparable fee schedules — not an official quoted fee. |
| Permit authority | City of Washington building departmentModeled estimate |
| Timeline | 3-7 days of work, 2-5 weeks including permitting |
Math: national baseline $3,500–$16,000 × Washington cost index 1.22. Permit fees use a 1.30 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 | Washington 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