Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
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AfterFast, Reliable Bathroom Remodeling Across Alum Rock
Bathroom remodeling in Alum Rock typically runs $9,000 – $28,000 for a full renovation, with smaller projects like tub-to-shower conversions starting around $3,500. The number moves based on what we find when the walls come open, and in Alum Rock’s older homes, that usually means something. Penhallow Remodeling puts the price and the guarantee in writing before a single tile is set, so you know the number before we start. Call (936) 259-2607 to schedule a free estimate.
Why Penhallow Remodeling Is Alum Rock’s Preferred Bathroom Remodeling Company
Alum Rock is not a flat-grid San Jose neighborhood. The 1940s and 50s bungalows that climb the eastern foothills sit on expansive adobe clay, and many were built before modern waterproofing standards existed. That means a bathroom remodel here requires a contractor who has actually worked in these houses and knows what a raised foundation with an unbraced cripple wall looks like. Our team has.
Trevor Nash leads our crews, and the standard he holds is simple: a written price before work starts, a defined arrival window, and a 365-Day Done Right Promise that says if the work fails inside the guarantee period, we come back and fix it at no charge. Every job gets a written guarantee. Every job gets background-checked, uniformed technicians. And every call to (936) 259-2607 is answered by a live person, 24/7.
We do not hand you a verbal estimate that changes at the door. We write the number down, explain what it covers, and explain what happens if the walls reveal something unexpected. That is the Kingswell Way, and it has been since 2004. For Bathroom Remodeling in Alum Rock, that approach matters more than in most places, because these houses have a way of hiding things.
Shower Remodel in Alum Rock
A shower remodel in Alum Rock often starts with a failing enclosure: cracked grout, a shower pan that has been weeping into the subfloor, or a water-stained ceiling below. In these older foothill bungalows, the subfloor under the shower is frequently original tongue-and-groove lumber nailed to joists that have been moving with the adobe clay for six or seven decades. We inspect that framing before we set any waterproofing, because a new shower over a rotten or twisting subfloor is a leak waiting to happen.
A shower remodel here typically runs $3,000 – $8,500 for a straight replacement, but once you start reconfiguring slope, adding a bench, or repairing subfloor framing, the number moves. We write allowances into the contract for exactly this. When we open the walls off Alum Rock Avenue or up toward Alum Rock Park and find problems, we price the fix, get your written approval, and keep moving.
Waterproofing and Subfloor Repair
Alum Rock gets more pronounced wet-season runoff than central San Jose, and the heavy clay soil under these homes expands and contracts all year. That movement cracks grout, separates pans, and stresses the wet-wall transition. The fix is not cosmetic. It is a proper waterproofing membrane, correctly sloped, tied into the drain, and inspected before tile goes up.
Walk-In Shower Installation
Walk-in shower installation in Alum Rock usually runs $4,500 – $12,000 depending on glass, tile, and the condition of the existing drain and supply lines. Homeowners along the upper corridors near Alum Rock Park often ask for curbless entries, and on a hillside lot with a sloped floor, that requires careful subfloor leveling and sometimes a longer drain run. We lay all of that out in the written estimate.
Tub to Shower Conversion in Alum Rock
A tub to shower conversion in Alum Rock is the most common project we quote in these 1940s-60s ranch homes. The original cast-iron tub is usually still there, but the surrounding tile has failed, the tub deck slopes the wrong way, and the galvanized supply lines behind the wall are corroding. Homeowners want the tub gone and a shower that actually drains. The conversion typically runs $3,500 – $10,000, and the spread depends on what the demolition exposes.
On a 1950s ranch off Alum Rock Avenue near the Penitencia Creek corridor, our crew opened the bathroom walls and found the original galvanized supply lines weeping inside the subfloor and an unbraced cripple wall under the tub. We wrote a change order for the plumbing rough-in and a seismic tie-down, priced it, got written approval, and scheduled the inspection sign-off before closing up. Then we finished the tub-to-shower conversion with a Kohler shower valve and a Moen trim kit. That is how we work in Alum Rock. Not with panic. With a written plan.
Cripple Wall and Rough-In Corrections
Most Alum Rock bathrooms were built before seismic bracing was code. When the tub comes out, we see the floor framing. If the cripple wall under the tub is unbraced, it has to be addressed before we set a new shower base. Otherwise you are bolting a brand-new shower to a wall that will move the next time the earth does.
Permit-Triggered Waterproofing and Drainage
Because many Alum Rock parcels near Penitencia Creek sit in localized flood zones, a bathroom permit often triggers a drainage review. We handle the permit application, pull it for you, and coordinate the inspections. You do not have to figure out City of San Jose hillside drainage requirements on your own. We have done it.
Trusted Brands We Service in Alum Rock
We install products from brands that back their work with their own warranties. Cambria and Caesarstone countertops carry their own lifetime warranties alongside our 365-Day Done Right Promise. KraftMaid and Wellborn cabinetry give Alum Rock homeowners options from stock lines to full custom. Kohler, Moen, and Delta fixtures are on our standard order sheets. For Alum Rock customers, we keep common replacement parts in stock locally so a follow-up trim swap or shower valve adjustment does not take a week to schedule. If a brand matters to you, tell us. We will quote it.
Common Bathroom Remodeling Problems We See in Alum Rock Homes
- Failed galvanized supply lines. The original galvanized plumbing in 1940s-60s Alum Rock bathrooms is often corroded internally, weeping at threaded joints inside the subfloor. Opening the wall does not create this problem. It reveals it.
- Unbraced cripple walls under tubs and showers. Most of these raised foundations were never retrofitted to modern seismic standards. The Alum Rock hillside sits adjacent to the Calaveras Fault corridor, and an unbraced cripple wall under a new shower is a structural liability.
- Waterproofing failures at the curb and wet-wall transition. Adobe clay soil movement cracks tile and grout, and once water gets into the cement board substrate, the subfloor swells and rots. A new shower over an unsealed transition leaks again, usually within a year.
- Unpermitted prior work in creek-adjacent parcels. We find old unpermitted remodels in Penitencia Creek flood-zone homes more often than you might think. When a future remodel opens the walls, that lack of inspection sign-off becomes a title and insurance problem.
Pricing for Bathroom Remodeling in Alum Rock, CA
Here is what a bathroom remodel costs in Alum Rock, in real numbers, right now. A full bathroom remodel runs $9,000 – $28,000. A small bathroom remodel is $5,000 – $12,000. A tub-to-shower conversion is $3,500 – $10,000. A walk-in shower installation is $4,500 – $12,000. A straight shower replacement is $3,000 – $8,500. A vanity installation is $800 – $3,000.
| Project | Alum Rock Price Range |
|---|---|
| Bathroom Remodel | $9,000 – $28,000 |
| Small Bathroom Remodel | $5,000 – $12,000 |
| Tub-to-Shower Conversion | $3,500 – $10,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Shower Replacement | $3,000 – $8,500 |
| Bathroom Vanity Installation | $800 – $3,000 |
What moves the number in Alum Rock is not brand preference. It is what the demolition uncovers. Corroded galvanized rough-ins, rotted subflooring, an unbraced cripple wall, or drainage corrections on a flood-zone parcel. We price an allowance into every contract for exactly these conditions, and any approval for the allowance spend is in writing before we touch it. Call (936) 259-2607 for a written, itemized quote. Estimates are free.
We Also Serve Cities Near Alum Rock
Penhallow Remodeling serves Alum Rock and the surrounding Bay Area communities, including San Jose, San Francisco, Los Angeles, and San Diego. If you live outside Alum Rock proper, we can still help schedule a free estimate and a written quote without the long wait.
Serving Alum Rock, CA - Our Local Coverage Area
We’re based in the Alum Rock area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Bathroom Remodeling in Alum Rock
Because Alum Rock’s 1940s-60s bungalows routinely hide failed galvanized supply lines, rotted subflooring, and unbraced cripple walls behind original tile. The original quote covers the remodel. The allowance covers the repair. We write that allowance into the contract before we start, so the number does not change without your written approval. Call (936) 259-2607 and we will walk you through exactly how that works.
Yes, most bathroom remodels in Alum Rock require a permit from the City of San Jose, and the permit often triggers a foundation or drainage review when the home is on expansive adobe clay or in a Penitencia Creek flood-zone parcel. We pull the permit, schedule the inspections, and handle the paperwork. It is part of the written job scope.
An allowance is a dollar amount written into your contract that covers work we cannot see until the walls come open: rotted floor framing, corroded plumbing, structural tie-downs, and waterproofing corrections. A good Alum Rock bathroom contract specifies the allowance amount, how we document any spend against it, and the written approval process before we exceed it. Our contracts always do.
Because many Alum Rock homes sit on raised foundations with unbraced cripple walls, and the adobe clay expands and contracts with the wet season. When the tub comes out, the subfloor and the wall framing are exposed. If the cripple wall needs seismic bracing or the shower drain run needs correction for proper slope, that work has to happen before we set the new shower.
We do not present them as surprises. We write an allowance into the contract before the demo hammer comes out. When we find something that needs fixing, we price it, we show you exactly what we found, and we get written approval before we spend a dollar. Then we send the change order. That is the Kingswell Way, in writing, on every Alum Rock job.
Schedule Your Free Alum Rock Bathroom Remodeling Estimate
If you are planning a bathroom remodel in Alum Rock, call (936) 259-2607. We will schedule a free estimate, walk through your home, and give you a written price before any work starts. No pressure, no open-ended estimates, no change orders without your signature. Just a real number from a local team that knows these foothill houses. Call today and ask for Trevor Nash.
Written by Trevor Nash, Owner at Penhallow Remodeling, serving Alum Rock and the surrounding Bay Area communities.