California · Plumbing
Tub to Shower Conversion cost in California
Statewide pricing, permit posture and inspection sequence for tub to shower conversion in California. 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 California
$4,600 – $21,000
Most California homeowners pay around $9,400, or $4,600–$20,950 per conversion. Permit fees typically add $130–$465.
Permit: Usually yes. California Residential Code (Title 24, Part 2.5) plus the Title 24 energy standards
Cost breakdown
| Budget scope | $4,600 |
|---|---|
| Typical project | $9,400 |
| Premium / complex | $21,000 |
| per conversion | $4,600 – $20,950 |
| Permit fees | $130 – $465 |
| vs national baseline | +31% |
| Timeline | 3-7 days of work, 2-5 weeks including permitting |
What is different about tub to shower conversion in California
Title 24 energy compliance, seismic detailing and the highest permit fees in the country make California the most expensive state to permit a project in, even before labor.
Owner-builder: Owner-builder permits allowed, with strict limits when the home is sold within a year. 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.