Willow Kitchen & Bath Remodeling

What a Tub-to-Shower Conversion Costs in the Bay Area

On the Peninsula a tub-to-shower conversion with us starts at $7,500. These are our 2026 prices, licensed under CSLB #1127360, updated each January.

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shower replacement: new marble-look walls, niche and framed glass

Priced on the page

2026 tub-to-shower conversion packages

PackagePriceWhat is includedBest forTime
Acrylic Wall Showerfrom $7,500Tub removal and haul-away; Shower pan sized to the old tub footprint; Acrylic walls, no grout lines; New pressure-balance valve and showerheadThe fastest conversion: a seamless acrylic wall system in the tub alcove.1 day
Tiled Walk-In Showerfrom $13,000Tub removal, new pan, drain centered or linear; Waterproofing membrane, flood-tested before tile; Porcelain wall and floor tile, recessed niche; Valve with handheld on a slide barA tile shower in the tub alcove with a low curb and frameless glass.5 days
Curbless Showerfrom $16,000Everything in the Tiled Walk-In; Floor recessed so it runs flat into the shower; Linear drain; Large-format floor tile continuous with the bathroomNo curb: for aging in place, wheelchairs or a seamless floor.7–10 days

Full package details: tub-to-shower conversion on the Peninsula and our pricing page.

What moves the price of a tub-to-shower conversion

Acrylic or tile

Acrylic panels are faster and cost less; tile costs more in labor and lasts longer.

Where the drain goes

Reusing the tub drain is the low end; a centered or linear drain is the middle; a curbless recess is the high end.

Glass

A fixed panel costs less than a hinged door; glass to the ceiling costs more again.

Accessibility

Blocking is included; a fold-down seat and grab bars are an add.

Slab or crawlspace

Any drain move on a slab means cutting concrete, which is why Eichler conversions price higher.

Finish level

Standard acrylic or porcelain at one end, large-format tile and a thermostatic valve at the other.

Tub-to-Shower Conversion cost by city

CityFromNote
Palo Alto$7,500Base pricing. Green-building checklist and city permit fees apply; Eichler slab work is its own line item.
Menlo Park$7,500Base pricing. County-permitted streets (West Menlo Park, Menlo Oaks) have different permit fees.
Atherton$8,300Town design review, restricted work hours and long material carries on estate lots.
Hillsborough+10–15%Town architecture review and estate access.

Conversion, liner or refinishing?

Three different jobs get sold as “a new shower.” The price difference is the difference in the work.

OptionWhat it isTimeKeeps the tub?
Tub-to-shower conversionTub removed; new pan, drain, valve, walls and glass1–10 daysNo
Bath liner systemMolded panels fitted over or in place of the existing surround1–2 daysOften yes
Tub refinishingThe existing tub resurfaced with a bonded coating1 dayYes

Ads that promise to “save 80%” are comparing refinishing with a full remodel. Both are real options for different problems. If you want to keep a tub, read refinish the tub or replace it.

Your ballpark

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Tub-to-Shower Conversion cost questions

Is a one-day liner cheaper?

A liner installed over the existing tub footprint can be cheaper and faster, but it covers the walls rather than replacing them, and you keep the tub’s shape. We build a real shower.

Is refinishing the tub a cheaper option?

Much cheaper, if you want to keep a tub. Refinishing does not turn it into a shower.

Can I see a price before a site visit?

The packages above give you a range. A site visit sets the exact number once we see the drain, valve and walls.

Does the price include glass?

The tile packages include a frameless panel or door; the acrylic package includes a glass door or a curtain rod.

Get your own number

Prices on this page are ranges. A site visit and a written, itemized estimate give you the exact figure within 48 hours.

Call (650) 507-4525

We answer within 10 minutes, Mon–Sat 7 AM–7 PM.