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Cambria Construction in Ontario, CA | Penhallow Remodeling Riverside
We install, repair, and replace Cambria quartz countertops across Ontario, and we’re the crew homeowners call when a seam splits or a chip appears years after the original install. Penhallow Remodeling Riverside is an independent Cambria specialists, not a manufacturer affiliate, so we give you straight advice on whether a slab should be repaired or replaced. Call (341) 895-1170 for a free estimate, and we’ll give you a written number before any work starts.
Why Ontario Residents Choose Us for Cambria Service

Our team has installed and serviced Cambria quartz across hundreds of Inland Empire kitchens and baths. That means we know Brittanicca’s veining patterns, how Torquay behaves under a hot pan, and why Swanbridge edges chip the way they do. We handle your countertops the way we’d want a crew to handle ours: carefully, with the right supports and adhesives, and with enough familiarity to spot a problem before it becomes a crack.
Trevor Nash owns Penhallow Remodeling Riverside, and he started in the trades at Los Angeles Trade-Technical College, learning early that a good remodel starts with understanding what you’re getting into before you swing a hammer. That’s the approach we bring to every General Contractor - Ontario Cambria job. We don’t guess at substrate condition or slab support. We look, we measure, and then we give you a price.
Styles & brands we work with






Common Cambria Construction Problems We Solve in Ontario
- Chipping along overhangs and eased edges – Ontario’s busy family kitchens see heavy daily use, and high-gloss Cambria designs like Brittanicca are particularly prone to chips at the front edge of an island overhang. We reshape the edge profile and color-match the repair resin so the fix disappears into the slab.
- Seam separation at countertop joints – Ontario sits on expansive clay soils that shift with moisture. In older 1970s homes, slab settling can pull a countertop seam apart by a sixteenth of an inch or more. We re-seam with flexible adhesive and check the cabinet support before we finish.
- Dulling and etching from hard water – Ontario’s municipal water carries a heavy mineral load. High-traffic surfaces near the sink lose their luster faster than homeowners expect. We polish out the buildup and give you a maintenance routine that actually holds up.
- Stress fractures from undermount sink cutouts – Many original installs skip proper support around the sink opening. We see hairline cracks radiating from the corners, and it’s almost always a support failure, not a material defect. We reinforce the opening from below before repairing the crack.
- Discolored or failed seams from heat and sun exposure – Ontario’s summer highs above 100°F put real stress on adhesive joints, especially near south-facing windows. We replace degraded seam material and, where needed, upgrade to a heat-tolerant adhesive.
Cambria Service in Ontario: What Local Conditions Mean for Your Equipment
Here’s the thing most out-of-town contractors miss about Ontario: the city sits on a patchwork of young alluvial fans from the San Gabriel Mountains. That means slab foundations here don’t settle evenly. We regularly measure differential settlement of one to two inches over a decade in Ontario homes, enough to crack a poorly supported Cambria island seam. This is why we insist on steel reinforcement and flexible adhesive beds on Ontario installs more than we would in neighboring Rancho Cucamonga. A countertop that’s only shimmed at the perimeter won’t survive the slow shift this soil delivers. When we set a slab, we build the support to move with the house, not against it.
Cambria Models & Products We Service in Ontario
We work on every major Cambria line installed in Ontario kitchens, including Brittanicca, Torquay, Summerhill, and Swanbridge. For repairs and full replacements, we source genuine Cambria slabs directly from regional distributors, which keeps turnaround times short for Ontario homeowners. For adhesives, sealants, and support brackets, we use commercial-grade aftermarket products proven to hold up against Ontario’s temperature swings and hard water conditions. That combination means you get authentic Cambria quartz with installation materials suited to this specific climate.
See the difference
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AfterCambria Service Pricing in Ontario

Cambria work in Ontario falls into a few predictable cost bands. The table below shows what we quote for the most common jobs. What changes the number is slab size, edge profile, sink cutouts, and whether we’re repairing existing quartz or starting fresh. A free estimate from us includes a written line-item quote, so the number you approve is the number you pay.
| Service | Price Range |
|---|---|
| Countertop Installation | $2,000 – $6,500 |
| Kitchen Island Installation | $3,000 – $10,000 |
| Small Kitchen Remodel | $9,000 – $20,000 |
| Kitchen Remodel | $14,000 – $45,000 |
Call (341) 895-1170 and we’ll schedule a time to look at your kitchen and give you an exact number.
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
If the slab is structurally sound, a chip repair costs a fraction of replacement and holds up well with color-matched resin. For our Bathroom Remodeling in Ontario projects, repair is almost always the smarter call. If the chip is deep enough to compromise the edge or trap moisture, we’ll tell you straight and quote both options. Call (341) 895-1170 for an exact quote, estimates are free.
Cambria slabs are produced in batches, so an exact match depends on which design you have and when it was installed. We can pull samples from current distributor stock and look for the closest veining match for older designs like Torquay or Brittanicca. If an exact match isn’t possible, we’ll help you choose a contrasting Cambria design that looks intentional.
No. Cambria quartz is non-porous and never needs sealing, even with Ontario’s mineral-heavy water. That’s one of its biggest selling points. The dulling people notice here comes from mineral buildup sitting on the surface, not the quartz absorbing anything. We recommend a simple routine of wiping with a pH-neutral cleaner and drying the surface, which takes the buildup off before it dulls the finish.
We insist on full steel reinforcement and flexible adhesive beds for every Ontario install, especially on homes built before 1980. The slab foundations here settle unevenly, and a countertop that’s only shimmed at the perimeter will eventually crack at a seam or sink cutout. We also check for existing differential settlement before we start, so we know what the floor beneath the cabinets is already doing.
Most full replacements take three to five business days from slab template through final sink reconnect. The template and slab fabrication happen first, then we pull the old top, set the new one, and reconnect plumbing the same day. We’ll give you a written timeline at the estimate so you know exactly what to expect. Call (341) 895-1170 to get started.
Service Areas Near Ontario
We run Cambria jobs throughout the western Inland Empire. If you’re in Riverside, Anaheim, Claremont, San Bernardino, or Menifee, we’ll bring the same written-price and written-guarantee standard to your kitchen. Our Ontario service area covers all of Ontario and the surrounding communities. We also provide Cambria service in Riverside and Cambria service in Anaheim.
Book Your Cambria Service in Ontario Today
If your Cambria countertop is cracked, chipped, or showing its age, call (341) 895-1170. We’ll set up a free estimate, show up in the window we gave you, and hand you a written price before we pick up a tool. That’s just how this works.
Written by Trevor Nash, Owner at Penhallow Remodeling Riverside, serving Ontario and the surrounding Inland Empire since 2004.












