Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Fast, Reliable Bathroom Remodeling Across Los Altos
A full bathroom remodel in Los Altos typically runs $9,000-$28,000, with custom primary baths on the upper end. Most projects take 4-8 weeks once permits clear, though Design Review can add 3-6 weeks to the front of the schedule. Call (669) 271-8644 and we’ll put a written price to your scope before anyone orders tile or glass.
We serve Los Altos from our Bay Area dispatch office, and our crews know the local permit path well. The 1960s ranches off El Monte Road, the hillside homes near Montclaire School, the teardown-rebuilds along the Foothill Expressway corridor - we’ve worked in all of them. Los Altos isn’t generic suburbia; it’s a city where a bathroom remodel can trigger Design Review, where custom millwork and frameless glass are standard expectations, and where the wrong sequencing on long-lead items can stall a project for months. That’s why we write the price and the schedule before we write the purchase orders.
Why Rowan Construction Group San Jose Is Los Altos’s Preferred Bathroom Remodeling Company
We’ve delivered more than 4,000 projects since 2007, every one with a written price before work started and a documented photo record when the crew left. In Los Altos specifically, our reputation rests on one thing: we know the permit path. The Design Review Board here evaluates even interior remodels for neighborhood compatibility when they’re tied to a demolition or new-build permit - a layer of architectural scrutiny that Mountain View and Sunnyvale simply do not impose. Contractors who skip the pre-review concept package get plans kicked back, and that delay cascades into every long-lead order downstream.
Our Los Altos customers find us the way most do now: they read the three-star reviews, they check whether the price is on the page, and they want a text confirmation of the appointment window. We answer calls with a live person 24/7, send photo documentation from every site visit as standard, and deliver a flat written quote with a written scope and warranty - never a “call for pricing” runaround. Under Clause 1 of The Haven Standard, the price is written before anyone starts. Under the 365-Day Done Right Promise, if it’s not done right, we make it right, with the terms printed on every page.
Response time to Los Altos is typically next-day for estimates, with scheduling coordinated from our Bay Area office. We don’t claim same-day dispatch on planned remodel work - that’s not how custom construction operates - but we do claim this: when we give you a written start date, we hit it, because we’ve already confirmed lead times with KraftMaid, Cambria, or whichever brand your allowance specifies.
Our Bathroom Remodeling Services in Los Altos

Full Bathroom Remodeling
A full bathroom remodel in Los Altos usually means reworking a 1950s-1970s ranch bath with original galvanized supply lines, a 100-amp panel that won’t support modern loads, and a layout designed for a different era. We strip to studs, replace the infrastructure, and rebuild with the finishes you select. On a recent project near the 1000 block of Loraine Avenue, the owners wanted Cambria countertops, KraftMaid cabinetry, and a Kohler undermount tub - but the Zinsco panel and galvanized lines had to go first. We locked the scope and allowances in writing, submitted conceptual drawings to Design Review before pulling the demo permit, and used the lead-time window to complete the electrical and plumbing rough-in. Inspection cleared on the first pass because the infrastructure was documented in the permit set from day one.

Frameless Glass Shower Enclosures
Frameless glass is standard in Los Altos remodels, not an upgrade. The enclosures are measured to 1/16 inch, fabricated to order, and non-returnable. Order one before Design Review signs off on your window and massing plan, and you risk a change order that strands a $4,000-$8,000 piece of glass. We don’t place the order until the conceptual package is approved and the rough opening is verified. The glass typically ships in 3-4 weeks; we build that into the written schedule, not around it.

Vanities
Custom vanities in Los Altos run from stock KraftMaid or Wellborn semi-custom units at the entry level to fully built pieces with integrated electrical and stone tops. Vanity installation alone runs $800-$3,000 depending on plumbing relocation and electrical work. The real variable is lead time: a semi-custom order ships in 4-6 weeks, while a fully custom piece can take 10-12 weeks. We quote the allowance and the lead time separately in writing so you know which calendar you’re buying.

Tile & Fixtures
Tile work in Los Altos demands proper subfloor prep, especially in western neighborhoods where hillside groundwater and expansive clay soils can transmit moisture through slab or cripple-wall foundations. We specify a crack-isolation membrane (a fabric layer that separates tile from subfloor movement) on every job, and we document the subfloor condition with photos before covering it. Fixture selection - Kohler, Toto, or other brands - is locked at allowance in the written quote, with model numbers specified so there’s no substitution at rough-in.

Walk-In Showers & Shower Remodeling
Walk-in shower installation in Los Altos runs $4,500-$12,000. The range reflects curbless versus curbed, linear drain versus standard, and whether we’re moving the drain location in a concrete slab. Curbless entries require precise floor recessing; in older ranches with post-tensioned slabs, that means core drilling with a structural engineer’s letter - another item we flag in the written scope, not discover mid-project.

Tub-to-Shower Conversion
A tub-to-shower conversion in Los Altos costs $3,500-$10,000. The lower end assumes keeping the drain in place and using a standard alcove surround; the upper end involves relocating plumbing, adding a niche, and tiling to the ceiling. Many Los Altos owners are removing tubs entirely from secondary baths, but we note this in writing: if you might sell within five years, a tubless house in this market can be a resale discussion.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Before
AfterTrusted Brands We Service in Los Altos
We source across fifty-plus vetted brands, and for Los Altos bathroom remodels we typically specify from this set: KraftMaid and Wellborn for cabinetry, Cambria and Caesarstone for countertops, Kohler and Toto for fixtures. For window and glass packages in baths with exterior walls, we also work with CGI, CWS, and ES Windows - brands with the thermal performance and frame profiles that pass Los Altos’s energy code and Design Review aesthetic standards. We don’t inflate allowances to cover unknowns; we write the allowance to the brand and grade you select, and we document the submittal with photos so you know what arrived. If a long-lead item slips, you’ll know before we do, because we track orders weekly and report status in writing.
Common Bathroom Remodeling Problems We See in Los Altos Homes

- Design Review delays on long-lead orders. Ordering custom cabinetry or architectural glass before the board signs off on massing and window specs is the most expensive sequencing error we see. The order arrives, the board requires changes, and the material is stranded. We submit conceptual renderings before placing any custom order - it’s slower upfront, but it protects the schedule and the allowance.
- Old electrical panels flagged at rough-in inspection. Federal Pacific and Zinsco panels are still common in Los Altos’s 1950s-1970s housing stock. Los Altos inspectors flag them during bathroom rough-in because modern baths with heated floors, towel warmers, and GFCI requirements exceed 100-amp capacity. We test and document the panel condition during our initial site visit, and if replacement is needed, it’s in the written scope from day one - not a surprise change order.
- Moisture damage from hillside groundwater in western neighborhoods. Homes near the Santa Cruz Mountain foothills receive more winter rainfall and subsurface pressure than flatland Silicon Valley properties. Improper subfloor prep - skipping a moisture barrier or using the wrong thinset over damp concrete - causes tile cracking and callbacks. We specify membrane systems and document subfloor moisture readings with photos before tile goes down.
- Expansive clay soil movement affecting curbless shower drains. Western Los Altos lots with clay soils can see seasonal slab movement of 1/4 inch or more. A curbless shower with inadequate expansion accommodation will crack at the threshold. We engineer the recess and specify flexible waterproofing assemblies on hillside-adjacent sites, and we note this condition in the written scope when our site survey finds it.
Pricing for Bathroom Remodeling in Los Altos, CA
These are the ranges we write on Los Altos quotes, based on 2024-2025 material costs and local labor rates. Every number is a flat price with a written scope, not an estimate that shifts later.
| Service | Price Range in Los Altos |
|---|---|
| Bathroom Remodel (full) | $9,000 - $28,000 |
| Walk-In Shower Installation | $4,500 - $12,000 |
| Tub-to-Shower Conversion | $3,500 - $10,000 |
| Bathroom Vanity Installation | $800 - $3,000 |
What moves a project within these ranges: infrastructure replacement (panel, plumbing, subfloor), custom versus semi-custom millwork, natural stone versus quartz, and the complexity of the waterproofing assembly. We fix the price before ordering by writing allowances to specific brands and models, not to vague descriptions like “tile allowance: $3,000.” If you upgrade during the project, the change order is written and signed before the new order is placed - that’s the discipline that has kept our projects within a few percent of the agreed price across 4,000 jobs. Bring a competitor’s written estimate and we’ll review it line by line at no charge.
We Also Serve Cities Near Los Altos

Our crews work throughout the Peninsula and South Bay. We regularly handle Bathroom Remodeling in Los Altos and nearby Mountain View, Palo Alto, Menlo Park, and Sunnyvale - though each city has its own permit path and inspection standards. If you’re comparing contractors across these markets, ask specifically about Design Review requirements; Los Altos is the outlier for architectural scrutiny on interior remodels tied to demolition or new construction.
Serving Los Altos, CA - Our Local Coverage Area
We’re based in the Los Altos 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 - Bathroom Remodeling in Los Altos

Yes, if the project involves demolition or is part of a larger permit that triggers the board’s review. Los Altos’s Design Review Board evaluates neighborhood compatibility on massing, setbacks, and exterior appearance - which means window specs, exterior tile, and even fixture locations visible from the street can be kicked back. We submit a conceptual package before pulling the demo permit, and we don’t order long-lead custom items until the board signs off. Call (669) 271-8644 to discuss whether your specific project triggers review.
The difference is Design Review and long-lead sequencing, not labor. Mountain View and Sunnyvale do not impose architectural review on interior remodels, so a contractor there can order custom cabinetry and glass as soon as the building permit issues. In Los Altos, the 3-6 week Design Review window must precede those orders, and if the board requires changes, the order resets. We build this into the written schedule upfront so the calendar is honest. For a precise timeline on your project, call (669) 271-8644 for a free estimate.
We test and document the panel during our initial site visit, and if it’s original to a 1950s-1970s ranch, we assume replacement will be required. Los Altos inspectors routinely flag these panels at bathroom rough-in because modern GFCI, AFCI, and heated-floor loads exceed their capacity. We include the upgrade in the written scope from day one, pull the electrical permit concurrently, and coordinate the utility disconnect so the bathroom schedule isn’t held hostage. Call (669) 271-8644 and we’ll inspect your panel as part of the free estimate.
A full bathroom remodel in Los Altos runs $9,000-$28,000; a walk-in shower alone runs $4,500-$12,000. We fix the price by writing allowances to specific brands and model numbers - KraftMaid K-Series, Cambria Brittanicca, Kohler Underscore - not to vague categories. The quote is flat, with a written scope and warranty, and no work proceeds on a change until the change order is signed. Bring any competitor’s written estimate and we’ll review it line by line at no charge. Call (669) 271-8644 to schedule your written quote.
Yes, primarily in subfloor preparation and waterproofing. Western neighborhoods near the Santa Cruz Mountain foothills see more winter rainfall and subsurface moisture than flatland sites, and expansive clay soils can shift seasonally. We specify crack-isolation membranes, moisture barriers, and flexible waterproofing assemblies on these sites, and we document subfloor conditions with photos before covering them. The additional material cost is written into the scope during our site survey, not discovered mid-project. Call (669) 271-8644 to discuss your specific site conditions.
Written by Grant Rowan, Owner at Rowan Construction Group, serving Los Altos since 2007.







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