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 means working with a contractor who understands the city’s split personality: postwar slab-and-stucco tract homes in 91762 and 91764, and newer master-planned subdivisions pushing toward the 91761 edges. San Mateo Construction handles both. We’re a licensed general contractor running whole-house remodels, kitchen and bath work, structural repairs, and ADU builds under one contract, which means you’re not juggling four separate trades when the cabinetry order slips or the structural engineer red-lines a beam. If you’re planning a remodel in Ontario, call (855) 901-7266 for a free estimate and a straight conversation about scope, materials, and schedule.
Why San Mateo Construction Is Ontario’s Preferred Home Remodeling Company
Ontario homeowners keep coming back to us because we run a job the way this city actually builds: concrete-first, schedule-honest, and brand-specific. The warehouse and logistics corridor along the I-10 and the older central grid around Euclid Avenue have two very different construction disciplines, and our crews work both. That matters when a 1950s stucco home in 91762 needs subfloor leveling and load-bearing verification before a luxury kitchen lands on top of it.
Noel Carrington leads our estimating and project sequencing. That single point of accountability – one licensed contractor managing subcontractors, material procurement, and inspections – is the difference between a remodel that finishes and one that stalls waiting on a cabinet shop. We carry curated relationships with 50+ name-brand suppliers, from KraftMaid and Wellborn cabinetry to Cambria, Silestone, and Caesarstone countertops, so an Ontario homeowner chooses from vetted options instead of whatever the local yard happens to stock this week.
Local Knowledge That Shows Up On-Site
We know a 1940s – 1970s slab foundation in 91762 rarely sits level after seventy years, and we check before the finish carpentry starts. We know Santa Ana winds rip through Ontario’s high desert-edge neighborhoods and that roof, fence, and stucco repairs spike after big wind events. And we know the city’s permit office runs on its own calendar, so we sequence long-lead items around inspections rather than pretending the paperwork doesn’t exist.
Styles & brands we work with
Whole House Remodel in Ontario
A Whole House Remodel in Ontario typically runs $45,000 – $130,000 as a framing budget, though the number that actually matters for schedule and final cost is how early you lock the long-lead materials. A whole-house job here means taking a 1940s stucco-on-slab tract home near Euclid or a newer 91761 subdivision house down to studs where needed, reworking the floor plan, upgrading electrical and plumbing rough-in, and then rebuilding with finishes that match the market. On older Ontario slabs, we verify subfloor leveling and load-bearing walls before any finish material gets ordered – because ordering a Cambria island for a kitchen that sits on an unleveled 1950s slab is how change orders are born.
Structural and Systems Scope
The invisible work drives the calendar. Re-piping, panel upgrades, seismic retrofitting on older Ontario homes, and HVAC reconfiguration all happen before the pretty materials arrive. We pull permits and walk inspections with the city, so the finished job passes final sign-off without a punch list that drags for months.
Finish Material Sequencing
KraftMaid cabinetry, James Hardie siding, GAF or Owens Corning roofing, PGT windows – these are ordered weeks out. On a whole-house remodel, we lock the scope of work and allowances in writing before placing a single order. That’s what keeps a five-month job from becoming a nine-month job.
Luxury Home Remodeling in Ontario
Luxury Home Remodeling in Ontario is less about how much you spend and more about what gets ordered first. A high-end Ontario kitchen can sit fully framed and rough-in-complete while we wait on a cabinet shop for custom millwork, because Cambria slab runs and architectural glass don’t come off a shelf. A typical luxury kitchen remodel in Ontario lands between $14,000 and $45,000 when cabinetry and countertops are the driver, but a full high-end whole-house scope with custom millwork, specialty glass, and designer-tier fixtures pushes toward the top of the $45,000 – $130,000 home addition range and beyond. The calendar is set by lead times, not labor.
Millwork, Glass, and Specialty Finishes
Custom cabinetry from KraftMaid or Wellborn, Cambria or Caesarstone countertops, Grohe or Toto plumbing fixtures, and architectural glass all require shop drawings and fabrication windows. We order early and sequence the rough-in around the delivery dates. That’s the discipline that keeps a luxury job on schedule.
Designer and Architect Coordination
We work directly with your architect and designer from the first site walk. A render is not a buildable drawing. When architectural glass or specialty finishes are involved, dimensional conflicts surface only after rough-in – and catching them then costs real money. We coordinate drawings, shop tickets, and field measurements before anyone cuts a hole in a wall.
Trusted Brands We Service in Ontario
Ontario homeowners get access to our full supplier portfolio. James Hardie siding for stucco-refinish and re-side work on older tract homes. Plant Prefab and Boxabl for ADU and prefab construction on Ontario lots that can support a second structure. GAF, CertainTeed, and Owens Corning roofing for the replacement cycles that Ontario’s UV-heavy summers accelerate. KraftMaid and Wellborn cabinetry, Cambria and Silestone countertops, Kohler and Moen fixtures – we stock familiarity with all of it, and we order direct for Ontario jobs with local delivery windows. You pick from curated, name-brand options, not whatever a subcontractor has left in the truck.
See the difference
Before
After
Before
After
Before
AfterCommon Home Remodeling Problems We See in Ontario Homes
- Unlevel slabs in 91762 and 91764. The postwar tract stock was built fast on slab foundations, and seventy years of settling means a new kitchen island or load-bearing wall can’t just drop onto the existing floor. We level before rough-in, because leveling after the cabinets are ordered is a five-figure mistake.
- UV and Santa Ana wind damage to exteriors. Ontario’s high desert-edge climate bakes roofing, sealants, and exterior paint all summer, then the winds hit in fall and turn loose flashing into a roof repair. Cool-roof and stucco-refinish work are routine here.
- Long-lead material ordering done too late. Custom millwork and Cambria slabs don’t stock in Ontario yards. If the cabinet order goes in after demo, the job sits. We write the scope and allowances first, then order.
- Designer renders that don’t match the framing. Architectural glass and specialty finishes look great on paper, but a 1950s Ontario wall that’s three-quarters out of plumb won’t carry them without structural work. Architect coordination before rough-in is what prevents the dimensional conflict that shows up at week ten.
Pricing for Home Remodeling in Ontario, CA
Ontario’s remodeling market splits between the older 91762/91764 tract homes and the newer 91761 subdivisions, and the price of a job tracks that split. A whole-house remodel on a postwar slab home often needs structural and subfloor work before finish materials, while a newer home moves faster. Here’s what Ontario homeowners can expect for common scopes:
| Project | Typical Ontario Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Cabinet Installation | $4,000 – $13,000 |
| Countertop Installation | $2,000 – $6,500 |
| Bathroom Remodel | $9,000 – $28,000 |
| Home Addition | $45,000 – $130,000 |
The price is fixed in writing before any long-lead order goes out. No change orders from undisclosed conditions, because we walk the slab, check the subfloor, and verify load paths before the contract is signed. Call (855) 901-7266 for a free, line-item estimate on your Ontario remodel.
We Also Serve Cities Near Ontario
San Mateo Construction runs crews across the Inland Empire’s west edge. We take on Home Remodeling projects in Home Remodeling in Ontario and the surrounding cities: Montclair, Upland, Chino, and San Antonio Heights. The same licensed contractor, the same brand portfolio, and the same written-scope discipline apply whether the job is in Ontario proper or a neighboring zip.
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 long-lead materials run the calendar, not our crews. Custom KraftMaid or Wellborn cabinetry, Cambria slab runs, and architectural glass are fabricated after order, and Ontario’s permit turnaround adds another layer. A luxury Ontario kitchen can be framed and rough-in-complete in six weeks, then wait on millwork delivery before inspection sign-off. We sequence the order early and lock the scope in writing first. Call (855) 901-7266 to plan your schedule around real lead times.
Write the scope of work and allowances in writing before any long-lead order goes out, and verify the slab and load-bearing walls before the finish materials are committed. A 1950s Ontario home rarely has a level floor or plumb walls, and discovering that after the Cambria order is placed restarts the clock and the cost. We price the structural work up front. Estimates are free – call (855) 901-7266.
Yes. Structural changes, electrical and plumbing rough-in, and any wall removal on a 1940s – 1970s Ontario home require city permits and inspections. We pull permits, coordinate with the city, and walk every inspection through final sign-off. An unpermitted remodel in 91762 or 91764 comes back when you sell the house. Call (855) 901-7266 and we’ll handle the paperwork.
Yes, and we prefer it. We take your architect’s plans and the designer’s material selections and run them through a field-verification pass before rough-in. Architectural glass and specialty finishes create dimensional conflicts that show up only after the walls are open. We catch them on paper, not after the drywall is up. Call (855) 901-7266 to set up a design coordination meeting.
A luxury whole-house remodel in Ontario typically runs $45,000 – $130,000, with high-end kitchens at $14,000 – $45,000 and full custom-scope work at the top of that range and beyond. The final number depends on millwork, glass, and fixture tiers. We write it in the contract before ordering. Call (855) 901-7266 for an exact quote – estimates are free.
Written by Noel Carrington, Owner at San Mateo Construction, serving Ontario since day one.