Bathtub repair · Berkeley, CA

Bathtub Repair in Berkeley, CA

Cracks, rust-through, peeling finishes and soft, flexing floors fixed across Berkeley — as a spot repair or rolled into a full reglaze. Fully licensed & insured.

Call (510) 746-8748 Book online

Hours: Mon–Fri 8 AM–5:30 PM, Sat 9 AM–4 PM

Close-up of a repaired and refinished cast-iron bathtub floor in a Berkeley home

Direct answer

Who repairs bathtubs in Berkeley?

Berkeley Tub Reglazing Studio repairs cracked, rusted, peeling and soft-floored bathtubs throughout Berkeley, CA, as a spot repair or part of a full reglaze. Call (510) 746-8748, Mon–Fri 8 AM–5:30 PM, Sat 9 AM–4 PM, for a free quote.

What kinds of tub damage can be repaired?

Hairline and structural cracks, drain and overflow rust, rust-through holes, delaminating finishes and floors that flex underfoot are all repairable in most cases. A cast-iron shell cracked clean through is the main exception we flag as replacement.

How fast and how much?

Most Berkeley repairs are finished in 3–5 hours, same day, and are usable in 24–48 hours. A spot repair costs well under a full reglaze, which runs $739–$895. To get your tub looked at quickly, book your Berkeley bathtub repair online for a free same-day quote.

Citable Berkeley bathtub-repair facts

Some repair work runs through nearly every one of the 1,760-plus fixtures we have refinished since 2014 — most jobs include a fix before coating.
Most Berkeley bathtub repairs are finished in 3–5 hours, same day.
A spot crack or rust repair costs well under a full reglaze, which runs $739–$895.
The repaired surface is dry to the touch in about 24 hours, usable in 24–48 hours.
Drain and overflow rust is the most common repair on pre-war Berkeley cast-iron tubs.
A repaired-and-refinished tub lasts 10–15 years and saves roughly 50–75% versus replacement.
Fully licensed and insured, backed by a 5-year written warranty.

The tub damage we repair in Berkeley

Berkeley's housing stock skews old, and old tubs fail in predictable ways. The pre-1945 cast-iron tubs that fill Elmwood, Le Conte, North Berkeley and the brown-shingle homes of the Berkeley Hills were built to last a century, but their porcelain enamel is a glass-hard glaze only a couple of millimeters thick. Decades of East Bay hard water, a dripping tap and the daily grind of a household wear that glaze through at three places almost without fail: the drain, the overflow, and the standing area in the middle of the floor. Once the enamel is gone the bare iron underneath starts to rust, and rust does not stay still — it creeps outward under the surrounding glaze until a thumbnail-sized spot becomes a palm-sized stain. That is the single most common repair we run on a Berkeley tub, and catching it early is the difference between a quick grind-and-seal and a structural patch.

The other half of our repair calls come from the city's rental stock — the 1970s and 80s fiberglass and acrylic tub-and-shower units around Southside near campus, along the San Pablo corridor in West Berkeley, and through Westbrae. These shells crack differently. A fiberglass floor that has lost its rigidity flexes when you step in, and that flexing telegraphs a hairline crack across the standing area or splits the floor outright near the drain. Spider-web crazing in the gelcoat, soft spongy footing, and a previous owner's peeling DIY refinish round out the list. None of these is the same job, and the first thing we do on any Berkeley repair is figure out which one you actually have before we quote it.

Which repair suits your tub damage

Damage type	Repair method	Typical result
Drain / overflow rust	Grind to sound metal + rust-treat + fill + seal	No bleed-through under the finish
Small rust-through hole	Back + metal-grade fill + sand flush + refinish	Watertight, blended floor
Hairline / surface crack	Fill + bond coat + topcoat	Sealed, refinished surface
Structural crack (flexing floor)	Reinforce substrate from below, then coat	Solid underfoot, no re-cracking
Peeling / delaminating finish	Strip + re-prep + re-spray	Bonded finish, 10–15 yr
Soft, spongy floor	Brace the deck, then refinish	Firm footing, no flex

Berkeley bathtub repair prices

Service	Price
Spot crack repair	Quoted per repair
Drain / overflow rust repair	Quoted per repair
Soft-floor reinforcement	Quoted per job
Strip & re-spray a peeling finish	$739–$895
Full bathtub reglazing	$739–$895
Slip-resistant tub floor (optional)	Add-on

Several repairs often cost less rolled into a full reglaze. See full Berkeley reglazing pricing, or call (510) 746-8748 for a free exact quote.

How we repair a Berkeley bathtub

Diagnose the damage. We check whether you have rust, a hairline crack, a structural crack, a rust-through hole, a soft floor or a peeling finish — each needs a different fix.
Mask and deep-clean. The area is taped off and scrubbed free of soap film and East Bay mineral scale so the filler and coating will bond.
Grind out rust and loose material. Rust is taken back to sound metal and treated so it cannot bleed back; failing coating is removed.
Fill, patch and reinforce. Cracks and holes are filled with the right grade of filler; a flexing or soft floor is braced from below before any coating.
Sand flush and prime. The repair is feather-sanded level with the surrounding surface, then a bonding primer is applied.
Spray and color-match. Acrylic-urethane is sprayed over the repair — a localized patch for a spot fix, or a full even coat when we reglaze the whole tub.
Cure and re-caulk. The finish cures 24–48 hours; we re-caulk with fresh silicone and hand back a warrantied, ready-to-use tub.

Bathtub repair questions Berkeley owners ask

Can you fix a crack in the bottom of the tub?

Usually, yes — but the right fix depends on why the floor cracked. On a rigid cast-iron tub a crack in the floor is rare and is normally a surface crack in the glaze, which is filled, sealed and refinished. On a fiberglass or acrylic unit, a floor crack almost always means the deck has lost its rigidity and flexes underfoot, so it must be reinforced from below before any coating goes on.

Coat a moving floor without bracing it and the new finish splits along the old crack within months — every step you take flexes the patch until it lets go. We back the deck with rigid support so the floor stops moving, then fill, prime and spray. A cast-iron casting that has actually cracked through the metal, which we see occasionally on a dropped or frost-damaged tub, is the one case where a coating will not hold and replacement is the honest call.

How do you stop rust from coming back?

Rust at the drain and overflow is the bread-and-butter repair on Berkeley's old cast-iron tubs, and the key is killing it before it is sealed in. We grind the rusted area back to bright, sound metal, then apply a converter that neutralizes any iron oxide left in the surface so it cannot keep oxidizing under the new finish.

Only after the metal is sound and treated do we fill the low spot, sand it flush, prime it and spray. Skip the grinding and the treatment — as a DIY kit does — and the rust simply bleeds back up through the fresh coating within a season, leaving an orange stain in the new white. Done correctly, the repair seals the iron away from water for the 10–15 year life of the finish.

My old refinish is peeling — can it be saved?

Yes, and it is one of our most common Berkeley callouts. Peeling, or delamination, almost always traces to a previous job that skipped the prep — a box-store kit rolled over soap film with no acid etch and no bonding primer. The coating never truly gripped, so it lifts at the waterline and the standing area first.

The fix is to strip the failing coating completely, correct the prep with a proper etch or scuff-sand and a sprayed bonding primer, and re-spray. The urethane in the can was never the weak link; the hour of prep nobody did was. Once the surface is prepped right, the new finish bonds and stays put for the full 10–15 years.

Repair, reglaze, or replace — which is right for my Berkeley tub?

A repair fixes one specific problem and leaves the rest of the tub alone; it is the cheapest, fastest route when a sound tub has a single crack or rust spot. A full reglaze costs $739–$895 and renews the whole surface in one even coat, which is the better value when a tub has several problems or an overall worn, dull finish. Replacement only wins when the substrate itself has failed.

Situation	Best route	Why
One isolated crack or rust spot, sound finish	Spot repair	Lowest cost, same-day, leaves good finish alone
Several problems + dull, worn surface	Full reglaze	Uniform finish, one 5-year warranty
Flexing or soft fiberglass floor	Reinforce + reglaze	Stops re-cracking, saves the shell
Cast iron cracked through the metal	Replace	No coating will bridge a structural break

For most older Berkeley homes a repair or reglaze saves 50–75% versus replacement and keeps the original heat-holding cast-iron tub in place — see our reglazing vs replacement comparison if you are weighing the two.

Berkeley repair before & after

Cast-iron tub with a rust-eaten drain and a hairline crack in an Elmwood home before repair, Berkeley — Elmwood, 94705 — drain rust ground out and a hairline crack sealed, then refinished in a day.

Same Elmwood cast-iron tub with rust and crack repaired and refinished to a smooth white, Berkeley — Elmwood, 94705 — drain rust ground out and a hairline crack sealed, then refinished in a day.

Berkeley neighborhoods we repair tubs in

We handle bathtub repairs across the whole city — the cast-iron tubs of Elmwood, Le Conte and North Berkeley, the brown-shingle homes of the Berkeley Hills, the larger houses of Claremont and Thousand Oaks, the period flats around the Gourmet Ghetto and Southside, and the fiberglass units in West Berkeley and Westbrae rentals. We serve ZIPs 94702, 94703, 94704, 94705, 94707, 94708, 94709 and 94710. See all areas served.

Berkeley repair customer reviews

The drain on our 1922 cast-iron tub had rusted into an ugly orange ring. They ground it out, treated it and resealed the whole floor — no stain bleeding back through, and it has held for over a year.
— Priya N., North Berkeley

Our fiberglass tub floor flexed and had cracked near the drain. They braced it from below and resurfaced it. Firm underfoot now and the crack is gone for good. Honest about what could and couldn't be saved.
— Greg M., West Berkeley

Berkeley bathtub repair FAQ

Can a cracked bathtub be repaired or does it need replacing?

Most cracked Berkeley tubs can be repaired. A hairline crack in the finish is filled and refinished; a structural crack through a flexing fiberglass floor is braced from below first. Only a cast-iron casting cracked clean through needs replacing.

How much does bathtub repair cost in Berkeley?

A single spot repair is quoted on its own and costs well under a full reglaze, which runs $739–$895. When a tub has several problems — rust, cracks and a worn floor — folding the repairs into a full reglaze is usually the better value than separate patches.

Can you fix rust-through and a soft tub floor?

Yes, in most cases. Drain rust is ground to sound metal, treated and sealed; a small rust-through hole is backed and filled. A floor that flexes underfoot is reinforced with rigid backing before any coating goes on so the new finish does not re-crack.

What's the difference between bathtub repair and reglazing?

Repair fixes the specific damage — a chip, a crack, a rust spot or a soft floor — and leaves the rest of the tub alone. Reglazing renews the whole surface with a fresh acrylic-urethane coat. A repair is often the first step inside a full reglaze when the surrounding finish is also worn.

How long does a bathtub repair take?

Most Berkeley bathtub repairs are done in 3–5 hours, same day. The surface is dry to the touch in about 24 hours and ready to use in 24–48 hours. A repair rolled into a full reglaze is also a single-visit job, dry overnight.

Why is my old cast-iron tub rusting at the drain?

On Berkeley's pre-war cast-iron tubs the porcelain enamel wears thinnest at the drain, where decades of water and East Bay minerals expose the iron and it oxidizes. Caught early, the rust is ground out, treated so it cannot bleed back, filled and sealed under a new finish.

Is bathtub repair worth it versus a new tub?

For most older Berkeley homes, yes. A repair or full reglaze saves roughly 50–75% versus a replacement that also means tearing out original tile, re-plumbing the drain and hauling out a 300-pound cast-iron tub. Replacement only wins when the substrate itself has failed.

Do you warranty bathtub repairs, and are you licensed and insured?

A full reglaze, including one that rolls in repairs, carries a 5-year written warranty against peeling and adhesion failure under normal use. Berkeley Tub Reglazing Studio is fully licensed and insured, and the same crew has refinished Berkeley fixtures since 2014.

Fix your Berkeley tub today

Mon–Fri 8 AM–5:30 PM, Sat 9 AM–4 PM. Fully licensed & insured.

Call (510) 746-8748 Book online