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
Fast, Reliable Home Remodeling Across Ontario
Home remodeling in Ontario, CA runs $9,000 to $130,000 depending on scope, with kitchens and baths at the lower end and whole-home additions or ADUs at the top. We’re Alder Contractors, and we’ve spent years working the raised-foundation stucco tracts of 91761, 91762, and 91764 as well as the newer east-side subdivisions. Ontario’s mix of 1950s plumbing and 2020s expectations means pricing without crawling the crawlspace first is a fantasy. Call (833) 467-7020 and we’ll walk the house before we talk numbers.
Why Alder Contractors Is Ontario’s Preferred Home Remodeling Company
Ontario homeowners keep calling us back because we bid the real job, not the glossy version. The house off Euclid Avenue with cast-iron drains and cloth wiring? That’s the actual scope, and we put it in writing before the first cabinet gets ordered. Homeowners across 91761, 91762, and 91764 have told us the same thing: other Home Remodeling companies priced the cosmetic kitchen and then “discovered” the 70-year-old rough-in halfway through. We don’t work that way.
Nelson Ibarra runs our Ontario projects with a simple rule: if it lives under the house, it goes in the bid. That’s why our estimates from Ontario customers hold up. We’re not the cheapest bid on the street, and that’s intentional. The cheap bid is the one that finds a sagging subfloor after demo and hands you a change order. The right bid is the one that already accounted for it.
We schedule Ontario work with real crews, not a rotating cast of subcontractors hoping someone shows up. That matters when you’re living in the house during a kitchen remodel and the cabinets are sitting in the garage.
Styles & brands we work with
Home Remodeling Contractor in Ontario
A home remodeling contractor in Ontario has to understand what’s under these houses before touching what’s inside them. The 1950s-70s raised-foundation tracts that dominate 91761, 91762, and the older parts of 91764 hide cast-iron drain lines, cloth-wrapped wiring, and floor joists that have carried sixty years of Inland Empire heat. A kitchen remodel here isn’t just cabinets and countertops. It’s crawlspace rough-in, subfloor patching, and sometimes a load-bearing header before the first KraftMaid box gets opened.
What the Job Actually Involves Here
We start every Ontario remodel with a crawlspace inspection. That’s not a formality. That’s where the real scope lives. Plumbing re-routes, electrical updates, and subfloor replacement get priced into the written quote, not sprung as a surprise change order after demo. On a 1959 single-story off Euclid Avenue in 91762, we opened a kitchen wall for a KraftMaid cabinet package and found the original cast-iron drain and cloth-wrapped wiring hanging below a sagging subfloor in the raised foundation. We put the rough-in, new subfloor, and a load-bearing header into the written scope of work before ordering cabinets, then walked the Cambria countertop template only after inspection sign-off.
When You Need More Than a Refresh
If your Ontario home still has its original galvanized plumbing or a fuse box instead of a breaker panel, a cosmetic kitchen refresh is going to fight you the whole way. That’s the point where a full-scope remodel makes more sense: open the walls once, fix the bones, and build forward. We handle Kitchen Remodel, Bathroom Remodel, Whole Home Remodel, Home Addition, and ADU Construction under one contract, so you’re not juggling a plumber, an electrician, and a cabinet installer who’ve never met each other.
Home Remodeling Companies in Ontario
Home remodeling companies in Ontario split into two camps: the industrial-side crews who live on tilt-up warehouse shells along the I-10 and 60 corridors, and the residential remodelers who actually know what a 1958 tract house looks like from underneath. We’re the second camp, and we’d argue it’s the only camp that should be touching your kitchen. Home Remodeling in Ontario demands a contractor who understands narrow older lots, aging utility laterals, and the fact that your sewer line might still be original.
Choosing a Contractor Who Understands Ontario’s Older Stock
The residential core of Ontario wasn’t built for open-concept living. Post-war tract homes have load-bearing walls where today’s floor plans want open sightlines. That means headers, beam sizing, and structural work that a contractor who only does newer east-side subdivisions never has to think about. We think about it on every bid, because in 91761 and 91762 it’s not the exception. It’s the rule.
Why Single-Source Accountability Matters
When one contractor holds the whole job, the schedule is ours to own and the buck stops with Nelson Ibarra. When three different subs hold three different pieces, nobody owns the gap between the rough-in and the finish work. We manage the trades, the permits, the inspections, and the material deliveries. You manage your life. One contractor, every phase.
Trusted Brands We Service in Ontario
We specify materials that survive Ontario’s actual conditions, not a showroom photo. Cambria quartz and Silestone counters hold up to hard water and daily sun exposure. KraftMaid and Wellborn cabinets give you real choices without a designer middleman. Kohler and Grohe fixtures mean you’re not replacing a faucet cartridge three years in. For exterior work, GAF and CertainTeed service in Ontario roofing plus James Hardie siding keep Santa Ana dust and Inland Empire UV from eating the envelope. For hardscape, we use Belgard, Techo-Bloc, and Unilock pavers with sealed joints so wind-blown dust doesn’t turn your patio into a sandbox. We keep local stock access for Ontario projects, which means fewer days waiting on a freight truck from somewhere else.
See the difference
Before
After
Before
After
Before
AfterCommon Home Remodeling Problems We See in Ontario Homes
- Raised-foundation surprises: The 1950s-70s tracts in 91761, 91762, and 91764 sit on crawlspaces hiding cast-iron drains and cloth-wrapped wiring. Contractors who bid without crawling underneath hand you a change order after demo. We don’t.
- Santa Ana dust on fresh finishes: Wind-blown dust and hard UV get into open wall cavities and onto freshly finished stucco and exterior trim. If the staging and sealing aren’t specified, punch list items reappear within a season. We specify them up front.
- Narrow-lot trenching for additions and ADUs: Aging utility laterals and tight older lots make excavation and slab work far harder than the open industrial parcels a few blocks away. Contractors who bid off flat industrial assumptions underbid the dig. We don’t.
- Heat stress on concrete and outdoor work: Ontario summers bake concrete and outdoor finish work fast. Early-morning pours, curing compounds, and shaded staging matter if you want driveways and patios to last. We schedule for the heat, not against it.
Pricing for Home Remodeling in Ontario, CA
Here’s where Ontario remodels actually land, based on the scope we see in this market. These are real ranges, not brochure numbers.
| Project | Ontario Price Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Cabinet Installation | $4,000 – $13,000 |
| Countertop Installation | $2,000 – $6,500 |
| Home Addition | $45,000 – $130,000 |
| ADU Construction | $90,000 – $220,000 |
The spread isn’t random. A cosmetic kitchen in a 1980s east-side slab home sits near the bottom. A full kitchen in a 1962 raised-foundation tract home with cast-iron drain replacement, subfloor repair, and a load-bearing header climbs toward the top. We price the real scope in writing. Call (833) 467-7020 for a free estimate, and we’ll walk the house first.
We Also Serve Cities Near Ontario
From our base in Rialto, we run crews into Ontario and the surrounding Inland Empire cities every week. Montclair, Upland, Chino, and San Antonio Heights homeowners call us for the same reason Ontario does: one contractor who owns the whole job and prices it honestly. If you’re nearby and planning a remodel, the same team covers your street.
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 Home Remodeling in Ontario
Because the 1950s house sits on a raised foundation with cast-iron drains, cloth-wrapped wiring, and sixty years of deferred subfloor work hidden underneath. A newer east-side slab home has none of that. The difference is real: plan for crawlspace rough-in, plumbing re-routes, and structural framing in the older tracts of 91761, 91762, and 91764. It’s not a price penalty. It’s the actual job.
Yes. Ontario requires permits for any remodel that touches electrical, plumbing, structural framing, or changes the building envelope. We pull permits, schedule inspections, and don’t sign off until the city does. That’s true for a kitchen in 91762 or an ADU conversion near the 60. Call (833) 467-7020 and we’ll tell you exactly what your specific project triggers.
Yes to both. Garage conversions in Ontario typically run $30,000 to $80,000, and full ADU construction runs $90,000 to $220,000 depending on whether you’re building on a slab, adding utility laterals, or working with a prefab partner like Abodu, Dvele, or Mighty Buildings. Narrow older lots make trenching and slab work the dominant cost driver here. We scope it accurately before you sign.
It ages them faster than coastal LA. UV breaks down paint and stucco topcoats, wind-blown dust gets into open cavities and onto fresh trim, and heat stresses concrete during curing. We specify marine-grade fasteners, breathable stucco systems, and early-morning pours to match Ontario’s actual conditions, not a coastal spec that fails here within five years.
Not without you approving a written change order first. Our Ontario bids include the crawlspace work, the rough-in, and the structural scope we find during inspection. If we open a wall and find something nobody could have predicted, you’ll see it in writing before we touch it. Call (833) 467-7020 for a free estimate that reflects the real house, not a hopeful one.
Written by Nelson Ibarra, Owner at Alder Contractors, serving Ontario and the Inland Empire since the company’s first remodel.