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Cambria Construction in Ontario, CA | San Mateo Construction
We install and fabricate Cambria quartz countertops throughout Ontario, from the settled-slab postwar kitchens of 91762 and 91764 to the newer master-planned homes near 91761. What makes our Cambria work different here is that we’re an independent crew who understands how these slabs behave when they’re dropped onto a cabinet run that’s already moved. That’s the Ontario reality most countertop shops don’t talk about. Call us at (855) 901-7266 for a free estimate, and we’ll walk you through what your specific kitchen actually needs.
Why Ontario Residents Choose Us for Cambria Service
We handle Cambria sales & service weekly, which means we’ve templated, cut, and set enough full slabs to know exactly where a seam will read clean and where it’ll fight you. Noel Carrington, our owner, learned the trade the slow way: studying construction technology at Skyline College in San Bruno, then spending three decades on residential and light commercial jobs before this company took shape. That background matters when you’re standing in a 1950s Ontario kitchen with a floor that’s settled half an inch out of level.
We’re an independent Cambria installer, not a manufacturer affiliate. That independence means we’ll tell you when a slab can be repaired in place and when it honestly needs to come out, and we’ll never push a replacement because a supplier told us to. For Ontario homeowners, including those needing Cambria service in Chino, that’s the difference between a countertop that lasts twenty years and one that starts cracking at the sink cutout in five.
Styles & brands we work with







Common Cambria Construction Problems We Solve in Ontario
- Seam and edge failure from settled cabinet runs. The 1940s-through-1970s stucco-on-frame homes in 91762 and 91764 sit on slab foundations that have moved over the decades. When the base cabinets are out of level, a new quartz top gets shimmed instead of supported, and the epoxy seam or eased edge fails within a year or two. We level and shim the cabinets first, then template the top to the corrected plane.
- UV and heat cycling through west-facing windows. Ontario’s high-desert sun is relentless, and a west-facing kitchen window concentrates heat on one section of countertop all afternoon. The quartz itself is UV-stable, but the caulk joint against a sun-baked stucco wall darkens, and hairline crazing can open at the seam where the top meets that hot wall. We see this constantly in older Ontario tracts where kitchens were built tight against the afternoon sun.
- Thermal shock fractures at sink and cooktop cutouts. A hot pan set on a cold winter-morning slab, or ice water poured into a sink on a warm afternoon, can open a stress fracture radiating from a thinly supported overhang. This shows up most often on prefab tops or jobs where the original installer skipped proper cutout reinforcement. We cut these openings with full support rails, every time.
- Fabrication and template errors on waterfall islands. Overhangs beyond twelve inches, and especially waterfall edges, demand exact templating. A quarter-inch lippage on a waterfall seam is visible from across the room. We laser-template the island, account for floor slope in the slab, and dry-fit before any adhesive goes down.
- Laminate-to-quartz retrofits with existing tile backsplashes. Older Ontario kitchens keep their original tile, and we set Cambria against it daily. The trick is scribing the slab to fit the undulations of a sixty-year-old tile wall without leaving a caulk line that looks like a patch. It takes patience and a lot of measurement, but that’s the job.
Cambria Service in Ontario: What Local Conditions Mean for Your Equipment
Ontario’s construction economy leans hard toward the I-10 and Etiwanda warehouse corridor: tilt-up concrete, tenant improvements, steel and slab work by the acre. The Cambria countertop work here, by contrast, lands in the older residential pockets, the 91762 and 91764 homes built on slab foundations that settled long before anyone poured quartz. A crew that only works new subdivisions never has to think about a cabinet run that’s moved; we do it every week. When a 1950s kitchen floor has dropped half an inch at the far end, that movement telegraphs straight up through the base cabinets and into the countertop seams. You can shim the top and walk away, or you can fix the cabinet plane first and set a top that won’t crack at the miter. We do the second thing. And because the dry Ontario climate keeps moisture rot mostly out of the picture, the failure mode here isn’t water, it’s heat, UV — a reality we account for even on San Antonio Heights Cambria service calls — and an un-level base. That’s the combination you plan for if you want the job to hold.
Cambria Models & Products We Service in Ontario
We template and fabricate the full Cambria line from full slabs, not prefab remnants, using color-matched Cambria seam adhesive and proper underlayment support. The models we set most often in Ontario tell the story of the housing stock: Cambria Ella, with its warm white and soft gray-gold veining, reads beautifully against the original tile backsplashes of 91762 and 91764 kitchens. Cambria Torquay, a fine speckled gray-white, works as a full-perimeter top in the newer 91761 subdivisions where the palette runs cooler. Cambria Brittanicca’s dramatic gray-and-white movement shows up on islands and waterfall edges where the top is the focal point. Cambria Berwyn, cream with tan veining, pairs with the dark stained cabinetry that’s common in mid-century Ontario remodels. On the parts side, we use Cambria’s own seam chemistry, never a substitute, and we stock the adhesives and support hardware locally so we’re not waiting on a freight truck from the coast to finish your job.
See the difference
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AfterCambria Service Pricing in Ontario
Here’s what Cambria countertop and related work runs in Ontario, based on the jobs we’ve completed across the city:
| Service | Price Range |
|---|---|
| Countertop Installation | $2,000 – $6,500 |
| Kitchen Island Installation | $3,000 – $10,000 |
| Backsplash Installation | $800 – $2,500 |
| Cabinet Installation | $4,000 – $13,000 |
What drives the number is mostly linear footage of slab, edge profile, whether you want a waterfall island or a simple eased overhang, and how much cabinet correction the existing kitchen needs. A settled-slab 91762 run will always cost a little more than a clean, flat 91761 build, because we’re leveling cabinets before we touch quartz. Every estimate includes a site measurement, a template plan, and a fixed line-item quote, so you’ll know exactly where the money goes. Call (855) 901-7266 and we’ll schedule it.
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
Yes, Cambria quartz is UV-stable and won’t fade or yellow under direct Ontario sun. What takes the beating is the caulk joint against a sun-baked wall and, over many years, the seam where the top meets a hot stucco corner. We set those joints with high-heat-rated caulk and keep the slab clear of stress points at the cutouts. Call (855) 901-7266 if you’re seeing a seam open up near a west window, and we’ll tell you whether it’s cosmetic or structural.
Usually yes, once the cabinets are corrected. We level and shim the base runs first, then template to the fixed plane. Setting quartz over a settled, out-of-level cabinet run is the fastest way to split a seam or chip an edge, so we don’t do it. Call (855) 901-7266 for an in-home look at your kitchen, and we’ll tell you what’s needed before any stone arrives.
We fabricate waterfall islands regularly for the newer 91761 builds, where the floor planes are usually true and the design wants a clean vertical run of slab. Brittanicca and Ella are the two models we’ve set most on waterfall edges in that part of Ontario. Call (855) 901-7266 and we’ll bring sample boards and a laser template to your place.
Seam failure from a cabinet run that settled after the original installation. The older Ontario slabs in 91762 and 91764 move over the decades, and the top eventually telegraphs that movement. We fix the cabinet plane first, then re-set the top with color-matched Cambria adhesive. Call (855) 901-7266 if you’ve got a seam that’s opened or an edge that’s chipped, and we’ll give you an honest repair-versus-replace read.
Our countertop work is residential: kitchens, islands, and vanities in Ontario homes and a few light commercial breakrooms, including Upland Cambria service when the project fits our scope. We don’t bid warehouse TI or tilt-up scopes, but we do serve the homeowners who live here, which means we’re working within a few miles of the corridor on most days. If you’re in a house, townhome, or condo in Ontario, call (855) 901-7266 and we’ll come out.
Service Areas Near Ontario
We work throughout Ontario’s residential pockets, including the older central neighborhoods of 91762 and 91764, the newer subdivisions around 91761, and the adjacent areas of 91758 and 91798. If you’re in a bordering community, we also cover our full Ontario service area, plus Cambria service in Apple Valley and Cambria service in Rancho Cucamonga for clients who cross the city line.
Book Your Cambria Service in Ontario Today
Tell us what you actually need, and we’ll figure out the right way to build it. That’s how Noel runs every job, and it’s why our Ontario clients know they’re getting a straight answer before they spend a dollar. Call (855) 901-7266 to schedule your free Cambria estimate, and we’ll come out, measure, and give you a fixed number.
Written by Noel Carrington, Owner at San Mateo Construction, serving Ontario and the surrounding Inland Empire with independent Cambria fabrication and installation.