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.

Model reviewed August 2026

Tub to Shower Conversion cost in California

$4,900 – $22,600

Most California homeowners pay around $10,200, or $4,950–$22,600 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$4,900
Typical project$10,200
Premium / complex$22,600
per conversion$4,950 – $22,600
Permit fees$130 – $465
vs national baseline+41%
Timeline3-7 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

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
Sacramento49/100 · Moderate4–15 days3
Fresno49/100 · Moderate4–15 days3
Los Angeles53/100 · Moderate4–17 days3
San Diego53/100 · Moderate4–17 days3
San Jose53/100 · Moderate4–17 days3
San Francisco65/100 · Complex5–20 days3
Long Beach65/100 · Complex5–20 days3
Oakland65/100 · Complex5–20 days3
Bakersfield65/100 · Complex5–20 days3
Anaheim65/100 · Complex5–20 days3
Riverside65/100 · Complex5–20 days3
Stockton65/100 · Complex5–20 days3

What California homeowners reported paying

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

Rebates and incentives in California

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

How long does tub to shower conversion take?

3-7 days of work, 2-5 weeks including permitting. Permit review and inspection scheduling are usually the largest source of variation.

What changes the price the most?

The largest cost drivers are drain relocation from tub to shower position; tile versus acrylic shower base and walls; glass enclosure type.

Sources

Sources & verification

Model vintage August 2026. The links above are the issuing agencies' own pages — we publish them so you can confirm the current rule yourself, not as evidence that each fact on this page was re-checked with them today. Cost figures are modeled estimates based on national baselines adjusted for local labor and material pricing, not quotes. Permit rules change; confirm with the building department before starting work.