Kitchen remodeling
Bathroom remodeling
Home additions & ADU
Roofing
Windows & doors
Driveway & pavers
FenceFree written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
Remodeling Company in Ontario, CA
Home renovation in Ontario means working with a housing stock that spans seven decades, from 1940s tract homes south of Holt Blvd to 1990s stucco builds on the north side. Workshop Contractors has served Ontario since 2011, handling the full renovation scope under one contract: roofing, windows, siding, kitchens, baths, and ADUs. When the Santa Ana winds hit or the clay soil shifts a slab, you need a single contractor who understands how every system interacts. Call (844) 384-3361 for a free estimate.
Why Ontario Homes Are Different
Ontario sits in a semi-arid inland valley where summers routinely pass 100°F and fall brings sustained Santa Ana winds. Those conditions do specific things to houses. Stucco cracks along stress points faster here than in coastal cities. Roof underlayment dries and shrinks. Single-pane windows from the 1950s and 60s, still common across the older central neighborhoods, leak conditioned air year-round and let dust in during wind events.
The older homes south of Holt Blvd and around downtown were mostly built slab-on-grade. The expansive clay soils under much of Ontario shift with moisture, and our crews regularly find cracked slabs and settled footings that require pier-and-beam or post-tension solutions before any interior work can start. Up in the newer communities on the north and east sides, the challenge flips: 1990s and 2000s stucco homes with tile roofs are now hitting the age where original systems need full replacement, often including wind-load upgrades to meet current California codes. Permits go through the City of Ontario Building Department, and the city’s plan check can be slower during the industrial construction season around the airport corridor.
Styles & brands we work with
Our Main Ontario Services
Two services cover most of what Ontario homeowners call us about first: full general contracting and whole-home remodeling. Here’s how each works here.
General Contractor in Ontario
When a renovation touches multiple systems, a single point of accountability matters. In Ontario, that often means coordinating a roof replacement with new fascia, windows, and siding so the envelope is sealed as one job rather than three overlapping ones. We manage that scope from the first material order to the final inspection, with one schedule and one contract. For the full picture, visit General Contractor in Ontario.
Home Remodeling in Ontario
Home remodeling in Ontario frequently starts with the older housing stock’s hidden issues, like slab cracks or outdated electrical and sewer laterals tied to the pre-1980 era. We sequence the work so structural and mechanical fixes happen before finishes, which saves homeowners from tearing out new tile later. Material selection stays in-house, from Cambria countertops to James Hardie siding. Details are on our Home Remodeling in Ontario page.
What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Home Renovation in Ontario
Home renovation in Ontario means modernizing homes built between the 1940s and 2000s, each era bringing its own set of problems. A 1955 tract home south of Holt will likely need slab stabilization, re-piping, and an electrical panel upgrade before cabinets go in. A 1998 north-side home with original tile roofing and single-pane windows needs envelope work before any kitchen or bath money is spent. The climate accelerates every failure mode: heat cycles crack stucco, Santa Ana winds stress roofing, and clay soil never stops moving. That’s why we scope every renovation as an integrated project rather than a list of trades. If you’re starting to research, our Home Renovation hub covers the full service range.
Home Renovation Contractors
Signs you need it
Your Ontario home has multiple failing systems at once: cracked stucco, a roof past 20 years, single-pane windows that let dust in during Santa Ana events, or a cracked slab showing up as doors that no longer latch.
What it costs in Ontario
Whole-home renovation in Ontario typically runs $45,000 to $130,000 depending on square footage and how much structural repair the older homes need.
How we do it
We inspect the slab and framing first, pull the complete permit set, then sequence envelope work before interior finishes so nothing gets installed twice.
Home Renovation Companies
Signs you need it
You’re comparing bids from specialty contractors and realizing nobody is coordinating the roof, windows, slab, kitchen, and bath as one scope.
What it costs in Ontario
Kitchen remodels in Ontario range from $14,000 to $45,000, while bathroom remodels fall between $9,000 and $28,000 when done as part of a larger renovation.
How we do it
We bring one contract, one schedule, and one team across all trades, with material decisions made together at the start rather than delegated to separate subs mid-project.
Home Improvement Contractors
Signs you need it
Your home needs upgrades across multiple areas, from a paver patio to new windows, and you want the exterior and interior handled by the same accountable team.
What it costs in Ontario
Window replacement runs $4,500 to $15,000, paver patios $3,500 to $11,000, and driveway replacement $5,000 to $14,000 in this market.
How we do it
We source and install every component ourselves, so the paver base, window flashing, and stucco transitions are all coordinated by one crew instead of three.
Renovation Contractors
Signs you need it
Your project touches load-bearing walls, seismic requirements, or a full exterior envelope, and you need a licensed general contractor rather than a specialty crew.
What it costs in Ontario
Home additions in Ontario range from $45,000 to $130,000, while a full roof replacement runs $8,000 to $20,000.
How we do it
We handle engineering, permits, and all trades in sequence, keeping one team accountable from demolition through final city inspection.
What Home Renovation 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 much does a whole-home renovation cost in Ontario?
Plan on $45,000 to $130,000 for a full renovation, with older homes south of Holt typically landing higher because of slab and electrical work. Call (844) 384-3361 for a line-item quote.
Will the price change once work starts?
No. We write fixed-price contracts after we open the walls and confirm conditions, so Ontario homeowners are not hit with change orders for hidden slab or framing issues.
Brands We Service in Ontario
We source and install pavers from Belgard, Unilock, and Tremron for Ontario’s outdoor living projects, and we keep material lead times short by ordering directly through our manufacturer accounts. See our brands for the full line.
See the difference
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AfterPricing for Remodeling Company in Ontario, CA
| Service | Typical range in Ontario |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Walk-In Shower Installation | $4,500 – $12,000 |
| Paver Patio Installation | $3,500 – $11,000 |
| Paver Driveway Installation | $7,000 – $18,000 |
| Roof Replacement | $8,000 – $20,000 |
| Window Replacement | $4,500 – $15,000 |
| Vinyl Fence Installation | $3,500 – $9,000 |
| Countertop Installation | $2,000 – $6,500 |
| ADU Construction | $90,000 – $220,000 |
| Garage Conversion | $30,000 – $80,000 |
| Home Addition | $45,000 – $130,000 |
In Ontario, older slab-on-grade homes and the need for seismic or wind-load upgrades push renovation costs toward the upper end of these ranges. Every quote we write is fixed-price and line-item, so you see exactly what each scope costs before work starts.
Neighborhoods We Serve in Ontario
We work across Ontario’s full housing spectrum, from the mid-century tracts south of Holt Blvd to the newer planned communities east of the 15 freeway. Our crews are familiar with the slab conditions, HOA requirements, and permit paths in each area.
- Downtown Ontario
- South Ontario (south of Holt Blvd)
- North Ontario
- Creekside
- Ontario Ranch
Most of our Ontario jobs begin within two weeks of the signed contract, depending on the city’s plan check queue.
Service Area – Cities Near Ontario
Workshop Contractors also serves the surrounding Inland Empire communities with the same single-source general contracting model. We work regularly in Montclair, CA, Upland, CA, Chino, CA, and San Antonio Heights, CA, so if your project sits near a city line, the same crew can handle it without a handoff.
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
Most Ontario projects start within two to four weeks of a signed contract, depending on the city’s plan check queue and whether engineering is required for slab or wind-load work. Call (844) 384-3361 to get on the schedule for a free estimate.
We pull every permit for Ontario renovations, including building, electrical, plumbing, and mechanical. For older homes south of Holt, we often coordinate with the city on slab and seismic requirements before any interior work begins.
Yes. Several Ontario neighborhoods have HOA design review requirements, particularly in the newer communities on the north and east sides. We prepare the material and color submittals and handle the approval process as part of the contract.
Ready to see what a single-source general contractor can do for your Ontario renovation? Call (844) 384-3361 to schedule your free estimate.
What happens when you call
- 1A real person answersNo phone trees — talk to a local construction pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you — the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What Ontario Customers Say
"Weekly site meeting, every week, with a written summary afterward. I always knew where the money and the schedule stood."
— Sana Rao"Quality construction and a professional operation. Communication was strongest at the site meetings, and slower by email in between."
— Kelly Anderson"Allowances in the contract were realistic rather than artificially low to make the bid look good."
— Oscar Flores