Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
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AfterBathroom Remodeling in Los Altos Hills, CA
Bathroom remodeling in Los Altos Hills typically runs $9,000 – $28,000 for a full job, with smaller scopes like a tub-to-shower conversion landing between $3,500 and $10,000. The number that matters most to a homeowner here is not the bid itself, it is whether the contractor knows the Town’s Architectural Review process, septic and well setbacks, and heritage tree rules before the first wall comes down. Our Bathroom Remodeling team handles the paperwork, the scheduling around permit approval, and the build, so you are not left with a bathroom stripped to studs while a committee decides. Call (936) 259-2607 to talk through your scope and get a written price before anything is touched.
Why Los Altos Hills Homeowners Choose Penhallow Remodeling
Los Altos Hills is a different animal from Los Altos or Mountain View. One-acre minimums, hillside grade changes, private wells, septic systems, and a Town Architectural Review that actually reads the submittal packet. Most of the homes a General Contractor in Los Altos Hills like us walks into are mid-century ranchers or custom estate builds from the 1960s through the 1980s, and the bathrooms in them have not been touched in 30 years. The owners are not chasing the cheapest number. They want a written price up front, a real arrival window, and a 365-day promise to make it right if something fails. That is The Kingswell Way, and it has been how Penhallow Remodeling operates since the Kingswell standard was established in 2004.
Trevor Nash leads the team here, and he insists on the same thing on every job: a written price before work starts, uniformed and background-checked technicians on site, and a guarantee in writing. Not a verbal estimate range. A number you can hold us to. When we say we will be there on Thursday between 8 and 9, that is when the truck rolls up. A live person answers the phone 24/7, so you are never pressing buttons hoping for a callback.
We serve the whole of Los Altos Hills with local crews coordinated from the Bay Area office. From the estates off Purissima Road to the winding lots along Stonebrook Court, our team has walked the same steep driveways and dealt with the same Architectural Review checklists our clients face.
Small Bathroom Remodel in Los Altos Hills
A Small Bathroom Remodel in Los Altos Hills is a focused upgrade, not a gut job: new vanity, new tile, a shower base or tub replacement, and maybe a layout tweak that does not move plumbing far. On a hillside lot with a private septic system, that last phrase, “does not move plumbing far,” is the part that matters. Moving a shower drain even three feet can trigger a setback verification and a site plan review. In Los Altos Hills, a small bathroom remodel runs $5,000 – $12,000 depending on whether you are keeping the existing footprint or shifting a wall or a fixture.
Hall Bathrooms and Guest Baths
These are the bathrooms we remodel most often in the 1950s-to-1980s ranch and contemporary homes that dominate Los Altos Hills. Original tile, cast-iron tubs, single vanities with laminate tops. The job typically means new cement board substrate behind the tile, a Wellborn or KraftMaid vanity, Cambria or Silestone countertop, and Kohler or Moen fixtures. We keep the footprint intact when we can, because that avoids the septic setback conversation entirely and keeps the price and the calendar honest.
Permit-Ready Small Remodels
Los Altos Hills wants drawings, even for a modest bathroom. We prepare the submittal packet, including the site plan if the work touches any exterior wall, and we sequence the job so demolition does not start until the Town signs off. That means no bathroom sitting open for six weeks while the Architectural Review committee meets. The written price you get on day one reflects the real schedule, including review time, not a fantasy timeline designed to win the bid.
Shower Remodel in Los Altos Hills
A Shower Remodel in Los Altos Hills usually means tearing out an old tub-and-tile surround and building a walk-in shower with a frameless glass enclosure, a waterproofed substrate, and new plumbing rough-in. The price runs $3,000 – $8,500 for a shower replacement and $4,500 – $12,000 for a full walk-in shower installation. What makes the hills different: the subfloor. Expansive clay soils swell and shrink with the wet winters and dry summers of the Santa Cruz Mountain foothills, so we pay more attention to leveling and substrate fastening here than a valley-floor crew ever would.
Frameless Glass and Curbless Designs
Frameless glass showers read well in the high-end homes of Los Altos Hills, and they are practical too, opening up a small bathroom where a bulky framed enclosure would eat light. We install the glass after tile and grout have cured, so the enclosure fits the exact finished opening rather than a theoretical measurement. A curbless design costs more, but on a sloped lot where accessibility matters, the added waterproofing under the tile is the part you do not see and the part that fails if it is skipped.
Tub-to-Shower Conversion with Septic in Mind
Converting a tub to a shower in Los Altos Hills often means moving the drain from one location to another. On a house with a private septic system, that triggers a setback verification before the permit is issued. We have done this enough times on Stonebrook Court and up around La Barranca Road to know it is a standard step, not a surprise. We bundle it into the Architectural Review submittal so it is one approval, not three separate stops.
Trusted Brands We Service in Los Altos Hills
We install materials from brands that carry their own warranties, which layers on top of our 365-Day Done Right Promise. Cambria quartz countertops, Wellborn and KraftMaid cabinetry, Kohler and Moen fixtures, and Therma-Tru doors when a bathroom opens to an exterior wall. For homeowners in Los Altos Hills building custom, we have also worked alongside prefab firms like Abodu and Cover, though bathroom work stays our lane. Because we source from recognized trade brands with stable supply, we are not waiting six months on a vanity while your permit approval window expires.
Common Bathroom Remodeling Problems We See in Los Altos Hills Homes
- Demo before approval. A contractor strips the bathroom to studs and files the Architectural Review submittal the same week. The Town review takes longer than the demo did, and you are left showering in the master bath for two months. We file first, then schedule.
- Septic and well setback conflicts. Pre-1980 homes in Los Altos Hills often have leach fields and well lines mapped on old, hand-drawn surveys. A new shower rough-in that crosses a setback line means redesign, not just rework.
- Expansive clay movement. The foothill clay swells in the winter and shrinks in the summer. Tile set on an unleveled subfloor here cracks within a season. We level, we lag, and we waterproof before tile touches the floor.
- Heritage tree drip lines. A bathroom that pushes an exterior wall outward can land inside the drip line of a protected coast live oak. Encroachment permits and arborist reports are part of the Los Altos Hills process, and missing that step stops the job cold.
Pricing for Bathroom Remodeling in Los Altos Hills, CA
A bathroom remodel in Los Altos Hills runs $9,000 – $28,000. The range is wide because a hall bath refresh with a stock vanity is a different job than a primary suite with a walk-in shower, heated floor, and custom glass. The hillside and septic and Architectural Review picture add real cost and real calendar time compared to Los Altos or Mountain View. Here is what a written line-item quote from us looks like:
| Scope | Typical Los Altos Hills Range |
|---|---|
| Bathroom Remodel | $9,000 – $28,000 |
| Small Bathroom Remodel | $5,000 – $12,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Shower Replacement | $3,000 – $8,500 |
| Bathroom Vanity Installation | $800 – $3,000 |
Every number above is a written price before work starts. Not a range we update at the door. Not a verbal ballpark. A written number with a written 365-day guarantee behind it. Call (936) 259-2607 for a free estimate on your Los Altos Hills bathroom.
We Also Serve Cities Near Los Altos Hills
While this page covers Los Altos Hills specifically, our crews regularly take on bathroom remodels in the surrounding Bay Area, including San Jose and San Francisco to the north and south, and we field calls from as far as Los Angeles and San Diego for larger custom work. If you are in one of these areas, the same written-price and written-guarantee standard applies.
Serving Los Altos Hills, CA - Our Local Coverage Area
We’re based in the Los Altos Hills 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 Los Altos Hills
Most bathroom remodels in Los Altos Hills need both a Town building permit and, when any exterior wall, window, or roofline changes, Architectural Review approval. Interior-only scopes that keep the footprint and openings may qualify for a building permit alone, but the Town’s review process applies more often than not. We prepare the full submittal packet: drawings, site plan with septic and well setbacks, material sheets, and a project narrative. Call (936) 259-2607 and we will tell you which path your specific scope falls into, before you pay for drawings you do not need.
Architectural Review in Los Altos Hills typically adds 4 to 10 weeks to the calendar depending on how complete the submittal is and where the project falls in the committee cycle. We build that window into the written estimate, and we schedule material ordering and demo around the approval date, not before it. That sequencing is the difference between a bathroom done in one working period and one sitting half-open for months.
Yes, in most cases. The limiting factor is the setback line: how far the new plumbing rough-in sits from the leach field, septic tank, and well. We pull the existing site records, verify against current conditions, and if the new shower or vanity clears the setback, the remodel proceeds on the same system. If it does not clear, we redesign the layout to make it clear rather than telling you to replace a septic system over a shower drain.
We install Cambria and Silestone quartz countertops, Wellborn and KraftMaid cabinetry, Kohler and Moen fixtures, and Toto or Grohe when the design calls for it. These are brands that carry their own manufacturer warranties alongside our 365-day guarantee, which matters on a hillside property where you do not want to fight two companies over what failed. We also stock replacement parts locally for these lines, which keeps turnaround short when a faucet cartridge or hinge gives out.
A Los Altos Hills bathroom remodel runs $9,000 – $28,000, and yes, the hillside adds cost. Steeper lots mean more substrate leveling, more waterproofing, and more permit work around septic and well setbacks and heritage tree drip lines. The comparable job in flat, fully-serviced Los Altos often costs 10 – 20% less, not because labor differs, but because the review and site-work requirements are lighter. For your exact number, call (936) 259-2607, and we will walk the site and hand you a written price.
Written by Trevor Nash, Owner at Penhallow Remodeling, serving Los Altos Hills with written pricing and a written guarantee on every job.