A remodeled primary bathroom with a soaking tub and a walk-in shower
Bathroom Remodeling · Ontario, CA

Bathroom Remodeling in Ontario - One Written Price, No Change Orders

Free in-home consult and a written, line-item quote before demo starts. We work one bathroom at a time so your house stays livable, and the signed price is the final price. Licensed, insured, permits handled.

Call to schedule your free estimate

584+
Cities Served
Free
Written Quotes
Licensed & Insured Written Quotes Free Estimates All Brands Satisfaction Guarantee
Free Estimate on SiteCalls Answered by a Live Person, 24/7Background-Checked TechniciansProudly serving local communities 21+ years
A remodeled hall bathroom with patterned floor tile and painted walls
A low-threshold walk-in shower with a bench and grab bar
A powder room with botanical wallpaper and a stone sink
A wood double vanity with two mirrors after a bathroom remodel
A remodeled primary bathroom with a soaking tub and walk-in shower
A finished backyard cottage with a small covered porch
A remodeled kitchen with painted cabinets and a farmhouse sink
A remodeled living room with built-in shelves around the fireplace
Every visit starts with

Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled

Your dream remodel for as low as$199/month*On approved credit; ask for current terms
Get your free estimate

Fast, Reliable Bathroom Remodeling Across Ontario

A full bathroom remodel in Ontario, CA typically runs $9,000 – $28,000, with small bathroom remodels landing between $5,000 and $12,000. The single biggest price variable here is what’s under your slab: mid-century Ontario tract homes often have cast-iron drain lines that need replacement before any new shower pan goes in. Call (254) 272-5876 for a free estimate with a written price before any work starts.

Call (254) 272-5876

When we scope a bathroom in Ontario, we look at the house the way a plumber does first. Does the drain tie into PVC, or is it original cast iron from a 1960s build? That one answer changes the permit path, the timeline, and the final number. Our crews work in Ontario every week, from the older neighborhoods around Chaffey High School up to the newer developments off Archibald Avenue, so we know which streets tend to have which conditions.

Why Sawyer Remodeling Is Ontario’s Preferred Bathroom Remodeling Company

A walk-in shower with large-format tile and a built-in niche

Ontario homeowners call us because we put the price in writing before demolition starts. That’s the Relay Visibility Guarantee: a written price, a live arrival time, and photo updates before and after. No estimating games, no invoice surprises. We’ve been part of the Relay Home Co. family since 2005, and the process has been the same for nearly two decades.

Our Bathroom Remodeling team works with background-checked, uniformed technicians. You know who’s walking into your house before they arrive. Every project carries the 365-Day Done Right Promise: if it’s not done right, we make it right, in writing. And when you call, a live person answers. No voicemail loops, no callback queues.

Luca Romano, who leads our Ontario projects, keeps homeowners informed at every step. From the initial walk-through to the final punch list, you get the same plain-spoken updates: what we found, what it means, and what it costs.

Explore

Styles & brands we work with

Kitchen remodeling
Kitchen remodeling
Bathroom remodeling
Bathroom remodeling
Home additions & ADU
Home additions & ADU
Roofing
Roofing
Windows & doors
Windows & doors
Driveway & pavers
Driveway & pavers
Fence
Fence

Small Bathroom Remodel in Ontario

A small bathroom remodel in Ontario, CA usually runs $5,000 – $12,000, depending on whether we’re keeping the existing footprint and how much plumbing work the rough-in reveals. Most Ontario homeowners doing a small bath remodel are updating a hall bath or a secondary bath that’s still original to the house. The goal is a cleaner finish and better fixtures without moving walls or reworking the drain layout.

Scope and Timeline

A small bath remodel typically stays within the existing footprint. We replace the vanity, countertop, fixtures, lighting, and often the tub or shower surround. If we’re not moving plumbing, the project usually takes 2 – 3 weeks from demo to final inspection. Something like a KraftMaid vanity with a Silestone top and Moen faucets keeps the look sharp without the cost of a full-gut redo.

What Adds Cost in Ontario

If the existing drain is cast iron and failing, even a small bath can jump in price because we’re cutting slab to replace it. That’s common in Ontario’s older tract homes. We’ll tell you during the estimate walk-through what your drain condition looks like and what it means for your number before you sign anything.

Shower Remodel in Ontario

A remodeled hall bathroom with subway tile and a floating vanity

A shower remodel in Ontario, CA costs between $3,000 and $12,000 depending on whether you’re replacing an existing shower, converting a tub to a shower, or installing a walk-in shower where a standard tub used to be. Tub-to-shower conversions run $3,500 – $10,000 here, and walk-in shower installation is $4,500 – $12,000. The biggest cost driver is waterproofing: a properly built shower here needs a waterproof membrane system that stands up to hard water and humidity cycles that are common in the Inland Empire.

Frameless Glass and Tile Choices

Frameless glass shower enclosures are the most requested upgrade in Ontario right now. They open up a small bathroom visually and they’re easier to keep clean. We order glass cut to the finished opening after tile is set, so there’s no gap-filling or sloppy tolerances. Pair it with large-format tile and a linear drain for a clean, modern look.

When to Replace vs. Resurface

If your shower pan has failed and water is getting under the tile, resurfacing won’t fix it. You need a pan replacement and likely a new waterproofing membrane. In Ontario homes with slab foundations, a failed pan often means water against the concrete, which can damage the drain assembly over time. We’ll scope it properly during the estimate.

Trusted Brands We Service in Ontario

We stock and install fixtures and surfaces from brands Ontario homeowners actually ask for: Cambria and Caesarstone countertops, Kohler and Moen fixtures, and KraftMaid cabinetry. We also work with Sakrete products for proper mortar beds and substrates, and we’ve spec’d materials from Cover and Dvele for homeowners looking at higher-end finish packages. Having these brands on the shelf means we’re not waiting on a distributor to ship something unusual before we can finish your shower valve or vanity top.

Before & after

See the difference

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Common Bathroom Remodeling Problems We See in Ontario Homes

  • Cast-iron drain failure under the slab. In Ontario’s mid-century tract homes, original cast-iron drain lines corrode from the inside out. A bathroom remodel that should be cosmetic turns into a slab-cutting job when the drain has to be replaced before tile goes down.
  • Water damage from failed shower pans. We regularly open up bathrooms in neighborhoods like College Park and find the shower pan has been leaking for years. The tile looks fine from above, but the substrate is soft and the drain assembly is compromised.
  • Unplanned framing changes. Some Ontario homes have bathroom walls that aren’t what they appear on the original plans. We verify load-bearing status during the estimate, not after demo, so the written price reflects the real scope.
  • Under-scoped finish allowances. If your allowance was set before you visited the showroom, it’s probably too low for the Kohler, Moen, or Cambria selections you actually want. We set realistic allowances from the first walk-through so your change orders don’t stack up after you’ve fallen in love with a specific quartz.

Pricing for Bathroom Remodeling in Ontario, CA

Here are the honest ranges for bathroom work in Ontario right now:

Project Price Range in Ontario
Bathroom Remodel $9,000 – $28,000
Small Bathroom Remodel $5,000 – $12,000
Walk-In Shower Installation $4,500 – $12,000
Tub-to-Shower Conversion $3,500 – $10,000
Shower Replacement $3,000 – $8,500
Bathroom Vanity Installation $800 – $3,000

The price on your written estimate is the price on your invoice. That’s the no-hassle upfront pricing model we’ve run since 2005. If something changes during the job, we put the change order in writing and you approve it before we move forward. No exceptions.

Call (254) 272-5876 to schedule a free estimate. We’ll walk your bathroom, check the drain condition, and give you a written line-item price before any tools are picked up.

We Also Serve Cities Near Ontario

Sawyer Remodeling handles bathroom remodels throughout the Ontario area, including Montclair, Claremont, Upland, and Rancho Cucamonga. If you’re in a neighboring city and weighing your options, the same written pricing and 365-Day Done Right Promise apply. Scheduling and dispatch are coordinated from our Inland Empire office, and our crews are local.

Serving Ontario, CA - Our Local Coverage Area

We’re based in the Ontario 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 Ontario

Why Ontario Chooses Sawyer Remodeling

We set the standard for bathroom remodeling in Ontario.

No Change-Order Surprises

The written quote you sign is the price you pay. Anything we find mid-job gets priced and approved by you in writing before we touch it.

Licensed & Insured

Fully certified technicians who meet all local and state licensing requirements.

Upfront Pricing

No hidden fees, no surprises. You approve the price before any work begins.

Guaranteed Work

Every repair and installation is backed by our workmanship warranty and satisfaction guarantee.

How It Works in Ontario

Getting your bathroom remodeling handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your bathroom remodeling needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in Ontario - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local bathroom remodeling pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
  4. 4
    You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.

What Ontario Customers Say

Trusted by homeowners across Ontario and surrounding areas.

★★★★★

"Home renovation with a new layout. Permits and inspections were all tracked online."

Nolan R. · Verified customer
★★★★★

"Crew cleaned up each day. Swept and wiped down the work area every evening, which I did not expect."

Joy B. · Verified customer
★★★★★

"Quote was itemized and every change was approved in the app."

Sasha L. · Verified customer

Ideas for every room in the house

Built-ins, window seats, family rooms and staircases: the changes that make a whole house work better.

Read our remodeling guides
A remodeled laundry and mudroom with a bench, cubbies and painted cabinetsA built-in window seat in a bay windowA dining nook with a built-in banquetteA home office with a built-in desk and shelvesA remodeled kitchen with a waterfall island and wood cabinetsAn open living space after a whole-home remodel

More remodeling services in Ontario

Every project below starts the same way: a free on-site visit and a written price.

Getting started with Sawyer

Every project starts with a conversation and a written price. Here is how to take the first step.

A project lead measuring a kitchen with the homeowner during a free estimate

Free on-site estimate

A project lead walks the job with you, measures it and hands you a written, line-item price. No obligation.

Book an estimate
A remodeling crew arriving at a home with lumber and tools

Find your local team

Each location is independently owned and works to the same written standard. Enter your ZIP code to reach yours.

A worker laying floor protection and a dust barrier before work starts

Read our written promise

What we promise on every job, written down, with the terms spelled out before any work starts.

Our promise

Current Offers

Bring these savings to your next appointment.

Free On-Site Estimate & Written Quote

No obligation. We measure, price the job in writing, and the quote is yours to keep.

Expires Mar 31, 2027
Always

Written Price Before Any Work Starts

Expires Mar 31, 2027
Included

Written Guarantee on Every Repair

Expires Mar 31, 2027
Free

Free Second Visit if the Repair Fails

Expires Mar 31, 2027

Ready for Bathroom Remodeling in Ontario?

Call now for a free estimate - or request one below. Licensed, insured, and here with fast after-hours help in Ontario.

(254) 272-5876

Request a Free Estimate in Ontario

Tell us about your bathroom remodeling needs - we'll respond within the hour.

By sending this request, you confirm you have read our Privacy Policy and authorize us to contact you by telephone, text message, or email about your request, including by the independent professionals who may fulfill it.

Prefer to text? Text Us
Areas We Serve
Call Now - 24/7 Dispatch