A remodeled kitchen with a wood island, painted cabinets and a plaster range hood
Cambria · Ontario, CA

Cambria Construction in Ontario, CA

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An open kitchen and dining area after a remodel
A galley kitchen opened up to the dining room with a new peninsula
A stone counter, tile backsplash and open shelf after a kitchen remodel
New painted shaker cabinets with an organized deep drawer
A small remodeled galley kitchen with cabinets to the ceiling
A walk-in shower with large-format tile and a built-in niche
A remodeled family room with new windows and a window seat
A wide opening with a new beam where the kitchen wall was removed
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Cambria Construction in Ontario, CA | Elmstead Remodeling

We provide independent Cambria quartz installation and repair across Ontario, from the historic core near downtown to the new-build tracts of Ontario Ranch, and we also offer Rancho Cucamonga Cambria service. The single thing that sets our Cambria work apart here is that we fabricate and seam for clay-soil movement, because a slab that holds fine in a coastal kitchen behaves differently on expansive montmorillonite clay. We are not affiliated with or authorized by Cambria. That independence means we fit each slab to your home’s actual floor, not a showroom script. Call (949) 850-9896 for a written quote before any work begins.

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Why Ontario Residents Choose Us for Cambria Service

A remodeled kitchen with a waterfall island and wood cabinets

Our crews have fabricated and installed Cambria quartz across hundreds of Inland Empire kitchens, reading every lot’s veining and adjusting our tooling and seam strategy to Cambria’s hardness. We know Britannica, Ella, Torquay, and Skara Brae by name and by how each one behaves under a diamond blade. We cut, edge, and seam with name-brand diamond tooling and manufacturer-spec Cambria adhesive with color-matched seam fill, so repairs hold instead of showing a mismatched patch. Graham Stein, our owner, learned finish work at Los Angeles Trade-Technical College, where instructors expected you to read a set of plans before you picked up a tool. That habit shapes how we approach a Cambria install in Ontario: measure the floor, check the cabinet alignment, then cut. Cambria sales & service is a core part of what we do, and we treat every slab like it’s going in a home where kids will do homework on it and a family will gather around it for years.

OEM-compatible parts matter. We keep manufacturer-spec adhesive and color-matched seam fill on hand for Ontario jobs, so a seam repair does not wait on a backorder from a warehouse two states away. And because we are an independent installer, we are free to tell you honestly when a slab can be saved and when it needs replacement.

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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

Common Cambria Construction Problems We Solve in Ontario

  • Chip-out at undermount sink cutouts and cooktop edges. Cambria’s roughly 93% quartz composition is unforgiving. In Ontario’s summer kitchens, where temperatures routinely exceed 105°F, the thermal cycling around a hot cooktop stresses a scored or under-supported edge until it chips. We see this most in the exposed newer tracts where afternoon sun beats on the slab for hours.
  • Hairline cracks and corner breaks on waterfall island edges. This is the Ontario Ranch pattern: a slab overhangs a post-tension or slab-heaved floor without a full plywood subtop, and the base cabinets push up under the overhang as the clay soil moves seasonally. The corner pops open at the floor seam. We fix the cabinet support first, then re-set the stone.
  • Seam and adhesive-line failure along long runs and L-shaped counters. The Pomona Valley’s wider daily temperature swing versus coastal LA accelerates thermal expansion and contraction in Cambria’s non-porous surface. A seam that looked tight in March can open a hairline gap by August. We re-seam with color-matched fill and a relief strategy that gives the slab room to move.
  • Scratches and dulling from abrasive cleaners or unsealed natural-stone polish. Cambria has no sealer and cannot be re-polished the way granite can. When someone uses a granite polish on a Brittanica slab, the surface dulls. It requires a trained honing and refinishing process, not a quick buff.
  • Slabs installed flat in the shop that rock or sit proud within a year. In Ontario Ranch’s new-build tracts on former agricultural land, expansive clay beneath slab-on-grade homes moves seasonally. An island fabricated flat in the shop can end up rocking unless the installer floats the cabinets true and cuts a relief gap at the perimeter instead of hard-pinning the slab to a moving floor. We see this constantly.

Cambria Service in Ontario: What Local Conditions Mean for Your Equipment

Here is the one fact about Ontario that changes how a Cambria counter should be installed and serviced, and it is not something you will read on a generic Cambria page: the expansive montmorillonite clay soils across southern Ontario cause chronic slab heave and foundation movement. A General Contractor - Ontario who skips soils reports or post-tension cable layouts on slab-on-grade homes in Ontario Ranch may find themselves fielding warranty callbacks for cracked slabs and misaligned door frames within 18 months of handoff. That same movement travels up through the base cabinets and into your countertop. A Cambria island that was fabricated flat in the shop can sit proud or rock within a year unless the installer floats the cabinets true and cuts a relief gap at the perimeter instead of hard-pinning the slab to a moving floor. Our tech was called to a two-story in the Ontario Ranch buildout where a homeowner’s Britannica waterfall island had popped a corner open at the floor seam. Slab-on-grade movement on clay soil had pushed the base cabinets up under the overhang. We pulled the island, shimmed and re-leveled the cabinet boxes with float clearance, re-set the Cambria with color-matched seam fill, and left a controlled expansion gap at the toe so the clay could keep moving without cracking the stone again. That is the difference between an installer who knows Ontario, and one who does not.

Cambria Models & Products We Service in Ontario

We service the full Cambria quartz line, including Britannica, Ella, Torquay, and Skara Brae, across kitchen counters, island tops, backsplashes, and bathroom vanities, and we also handle our Bathroom Remodeling in Ontario. For repairs, we use manufacturer-spec Cambria adhesive and color-matched seam fill, and we keep those materials stocked locally so an Ontario repair does not wait on a warehouse. Where a slab cannot be salvaged, we quote a matched Cambria replacement rather than making a mismatched patch. Cambria is repairable to a point, but a crack through a sink rail or a chipped island edge that cannot be re-honed is a replacement, not a patch, and we will tell you which on-site. We also handle quartz and granite countertops, kitchen island installation, and cabinets and countertops together as a combined scope where the project calls for it.

Before & after

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

Cambria Service Pricing in Ontario

Service Price Range
Countertop Installation $2,000 – $6,500
Kitchen Island Installation $3,000 – $10,000
Backsplash Installation $800 – $2,500
Kitchen Remodel $14,000 – $45,000

What drives the cost on a Cambria job in Ontario is mostly the shop time: cutting, edge profiling, and seam work are where the labor goes, and a complex island with waterfall edges takes longer than a straight run. A free written estimate includes measuring your space, checking the cabinet alignment and floor plane for movement, and a line-item price before any work starts. That written price is the promise: the scope on paper is what we build to. Call (949) 850-9896 to schedule your free estimate, and we will give you the number before you decide anything.

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 – Cambria Construction in Ontario

Service Areas Near Ontario

We serve Ontario and the surrounding Inland Empire cities, including Rancho Cucamonga, Fontana, Chino, and Eastvale. If you are in a neighboring city and need Cambria work, we are glad to come out. We also provide Ontario service area coverage across the wider region, and for families with homes elsewhere in California we offer Cambria service in Elk Grove and Cambria service in Santa Rosa through our network.

Book Your Cambria Service in Ontario Today

If you need Cambria installed, repaired, or replaced in Ontario, call (949) 850-9896. We answer the phone with a live person, give you a written price before any work starts, and leave your home cleaner than we found it. We would welcome the chance to walk your kitchen with you.

Written by Graham Stein, Owner at Elmstead Remodeling, serving Ontario since 2005.

Ideas for every room in the house

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