A Penhallow company - serving Riverside, CA
A remodeled home with a front porch on a quiet street at golden hour
Ontario, CA

Remodeling Company in Ontario - Written Fixed-Price Quotes, Permits Handled

Free on-site estimate and a written, line-item quote before any work begins. One contract, one crew, one accountable point of contact. Licensed, insured, permits handled.

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A remodeled laundry and mudroom with a bench, cubbies and painted cabinets
A built-in window seat in a bay window
A dining nook with a built-in banquette
A home office with a built-in desk and shelves
An open living space after a whole-home remodel
A low-threshold walk-in shower with a bench and grab bar
A walk-in pantry with wood shelving
A powder room with botanical wallpaper and a stone sink
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
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Remodeling Company in Ontario, CA

Home remodeling in Ontario means working with houses built mostly between the 1950s and the 1980s: stucco exteriors, slab foundations, and galvanized plumbing that’s usually near the end of its life. We handle kitchen, bathroom, and whole-home remodels in Ontario with written pricing before any work starts, so the number you approve on day one is the number on your invoice. Call (341) 895-1170 if you want to talk through a project and get a real number, not a ballpark.

Call (341) 895-1170

Why Ontario Homes Are Different

Ontario’s housing stock isn’t like the newer tracts you see in Eastvale or Rancho Cucamonga. Most of the single-family homes here were built from the 1950s through the 1980s, which means stucco over wood framing, slab foundations with no crawlspace access, and original galvanized supply lines that have spent decades fighting Inland Empire hard water. When we open a wall in an Ontario home, we expect to find corroded galvanized pipe that’s down to half its original inside diameter. That’s normal here. It also means a kitchen or bathroom remodel in Ontario frequently includes repiping the affected wet wall while it’s open, because patching drywall over pipe that’s about to fail is a waste of your money.

The other thing about Ontario is the heat. Summer temperatures above 100°F are common, and they change how we schedule exterior work and concrete pours. We pour slabs and set tile mortar in the early morning hours during July and August, and we plan roofing or stucco repair around the hottest stretch of the day. Ontario also gets Santa Ana winds in the fall, which matters when we’re staging materials or doing any exterior work. And because Ontario’s newer expansion areas sit on former agricultural and alluvial land, soil movement and settling are real considerations for foundation work and room additions. None of this is exotic. It’s just the way homes behave here, and a remodeling contractor working in Ontario has to plan around it.

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
Fence
Fence

Our Main Ontario Services

Most Ontario homeowners call us for one of three things: a general contractor to manage a larger project, a bathroom that needs a full remodel, or a kitchen that’s finally ready for a real update. Here’s how each one works in Ontario specifically.

General Contractor in Ontario

Ontario requires permits for most structural work, and a general contractor who works this city regularly knows what the building department expects. Older Ontario homes, especially the ones along Euclid Avenue and in the historic downtown core, often have unreinforced masonry elements that older foundation work didn’t address. That changes how we scope an addition or a load-bearing wall removal. We coordinate the permit, the inspections, and the subcontractors, and we give you a written price before any work starts. If you’re considering a larger project, our General Contractor in Ontario page goes into detail.

General Contractor in Ontario

Bathroom Remodeling in Ontario

Bathrooms in Ontario homes from the 1960s and 70s are usually small, with original cast iron tubs, tile set on drywall rather than a proper substrate, and plumbing that’s been leaking slowly behind the wall for years. A remodel here often means replacing the valve body, repairing subfloor rot, and rebuilding the shower with a waterproof membrane system before any tile goes up. The hard water in Ontario also leaves calcium scale on fixtures and glass, so we recommend finishes that clean up reasonably well over time. See our Bathroom Remodeling in Ontario page for specifics and pricing.

Bathroom Remodeling in Ontario

Kitchen Remodeling in Ontario

Ontario kitchens from the 1950s through 80s were typically built with limited counter space, soffits above the cabinets, and electrical panels that aren’t up to today’s code for modern appliances. A kitchen remodel here often means taking down a soffit, opening a wall to the dining room, and upgrading the circuit panel or adding dedicated appliance circuits. We work with KraftMaid and Wellborn cabinetry, and we set Cambria or Silestone quartz on the counters. Full kitchen pricing for Ontario is on our Kitchen Remodeling in Ontario page.

Kitchen Remodeling in Ontario
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What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Home Remodeling in Ontario

A remodeled living room with built-in shelves around the fireplace

Home Remodeling in Ontario usually means updating a 1960s or 70s ranch or a 1980s two-story that still has its original layout, original plumbing, and original electrical panel. The hot, dry summers and the hard water here mean materials age differently than they do in coastal cities: stucco cracks from heat cycling, galvanized pipe narrows from mineral buildup, and window seals fail faster under hundred-degree sun. A whole-home remodel in Ontario is a chance to fix those systems at once rather than one room at a time, and we give you a written price for the entire scope before demolition starts.

Home Remodeling Contractor

Signs you need it

Multiple rooms have failing systems at once, the layout no longer works for how you actually live, and you’re tired of patching problems one at a time.

What it costs in Ontario

Whole-home remodels in Ontario typically run $45,000 to $130,000 depending on square footage, whether we’re moving walls, and the finish level you choose.

How we do it

We walk the house with you, write a line-item scope, price it in writing, pull the Ontario permits, and manage every trade through final inspection.

Home Renovation

Signs you need it

Your Ontario home has good bones but dated finishes, inefficient windows, worn flooring, and a kitchen or bath that hasn’t been touched since the original build.

What it costs in Ontario

A focused home renovation covering kitchen, bathrooms, flooring, and paint in Ontario generally falls between $45,000 and $130,000 depending on scope and materials.

How we do it

We sequence the work so you can stay in the house as long as possible, protect the areas we aren’t touching, and keep the job site clean at the end of every day.

Home Remodeling Companies

Signs you need it

You’ve gotten verbal quotes before and watched the price change after demo, and you want a written number from a company that will stand behind the work.

What it costs in Ontario

Home remodeling company pricing in Ontario mirrors the scope: whole-home projects range from $45,000 to $130,000, with smaller scoped renovations starting lower.

How we do it

We put the full scope in writing before any work starts, send background-checked uniformed technicians, and back every project with our 365-Day Done Right Promise.

Whole House Remodel

Signs you need it

The floor plan fights you daily, the plumbing and electrical are original, and you’d rather redo the whole house properly than live through five years of piecemeal repairs.

What it costs in Ontario

A whole house remodel in Ontario spans $45,000 to $130,000 depending on whether you’re reconfiguring layout, repiping, and rewiring or primarily refreshing finishes.

How we do it

We start with a full systems assessment, design the new layout around how you live, and execute in phases so the project stays on schedule through Ontario’s permit process.

Luxury Home Remodeling

Signs you need it

You want high-end cabinetry, stone countertops, and fixtures that last, and you’re willing to pay for the material and labor quality to support them.

What it costs in Ontario

Luxury home remodeling in Ontario starts around $45,000 and can reach $130,000 or more for a whole-home scope with premium finishes, custom cabinetry, and stone throughout.

How we do it

We install recognized brand materials like Cambria and Caesarstone counters, Kohler and Grohe fixtures, and KraftMaid or Wellborn cabinetry, each carrying its own warranty alongside ours.

What Home Remodeling Costs in Ontario

Item Typical range in Ontario
Kitchen Remodel $14,000 – $45,000
Bathroom Remodel $9,000 – $28,000
Home Addition $45,000 – $130,000

How long does a whole-home remodel take in Ontario?

Most whole-home remodels in Ontario run 3 to 6 months from first demo to final inspection, depending on permit turnaround, scope, and whether we find hidden plumbing or framing issues once walls open. We give you a schedule at contract signing and a written price before any work begins, so the timeline and the number are both things you can hold us to. Call (341) 895-1170 to talk through your project.

Do I need a permit for a home remodel in Ontario?

Yes, for most structural, plumbing, and electrical work in Ontario you’ll need a city permit. We pull the permits ourselves and coordinate inspections as part of the project. Call (341) 895-1170 and we’ll tell you whether your specific project needs one.

Brands We Service in Ontario

We work with cabinet lines like KraftMaid and Wellborn, countertop materials from Cambria, Silestone, and Caesarstone, and fixtures from Kohler, Moen, and Grohe. Most parts are stocked in Inland Empire supply houses, so order times stay short. See our brands for the full roster.

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

Pricing for Remodeling Company in Ontario, CA

Service Typical range in Ontario
Kitchen Remodel $14,000 – $45,000
Small Kitchen Remodel $9,000 – $20,000
Cabinet Installation $4,000 – $13,000
Countertop Installation $2,000 – $6,500
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
Home Addition $45,000 – $130,000
Garage Conversion $30,000 – $80,000

What pushes pricing up in Ontario is usually hidden plumbing: hard water corrosion in galvanized supply lines and old cast iron drains that need replacement the moment we open a wall. The price we give you before any work starts is the price you’ll see on the invoice, and we don’t issue change orders unless you ask for a scope change.

Neighborhoods We Serve in Ontario

We work across Ontario, from the historic homes along Euclid Avenue to the newer townhome and single-family developments in the northern and eastern expansion areas. Crews are scheduled from our Inland Empire office, which puts us within a short drive of every part of the city.

  • Historic Downtown Ontario
  • Euclid Avenue corridor
  • North Ontario (newer subdivisions)
  • East Ontario (Cucamonga-Guasti area)
  • South Ontario (near Ontario Ranch expansion)

Service Area – Cities Near Ontario

Our crews also handle remodel work in the neighboring cities. Homeowners in Claremont, CA call us for kitchens and baths in older craftsman homes. Chino Hills, CA projects are usually 1990s tract homes with larger floor plans. Mira Loma, CA has a mix of older houses and newer developments. And Riverside, CA keeps us busy with mid-century ranches that need full remodels.

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 Remodeling Company in Ontario

Ready to get started? Free estimates · Free in-home estimates response in Ontario
Call (341) 895-1170

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local construction 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

★★★★★ 4.8 from 4+ reviews

"Full home refresh before we sold. They were straight about what was worth doing and what wasn't to get our money back. On time, on budget, and it sold in a week."

- Monica Vaughn

"Did our whole kitchen. The written estimate held, which after reading remodel nightmares online I did not take for granted. Showed up every morning on time and the crew was clean and polite."

- Warren Updike

"Good remodel of our guest bath. There was one delay waiting on the tile I picked, which was my fault for choosing a backordered one. They rolled with it and the finish work is excellent."

- Hank Mercer

How It Works in Ontario

Getting your construction handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your construction 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.

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 whole-home remodel with the living, dining and kitchen areas opened upA remodeled family room with new windows and a window seatA remodeled primary suite with built-in wardrobes and a window seatA remodeled staircase with wood treads and a slim metal railingA finished basement family room with a media wall and wet barA small remodeled galley kitchen with cabinets to the ceiling

More remodeling services in Ontario

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

Getting started with Penhallow in Riverside

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

Your Riverside team

A local crew that works across Riverside and the towns around it, to the same written standard as every Penhallow location.

Areas we serve
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

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Areas We Serve
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