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CWS Construction in Ontario, CA | San Bruno Construction
We provide independent CWS cabinet installation, refacing, and full kitchen remodeling across Ontario, CA. San Bruno Construction is not a CWS factory outlet or authorized dealer, and we don’t pretend to be. What we are is a full-scope Ontario remodeling contractor who has pulled CWS boxes out of mid-century tract kitchens and downtown craftsman homes enough times to know exactly how this cabinetry behaves in inland heat, expansive soils, and the odd house that still has its original 1962 galvanized plumbing.
Noel Carvalho founded San Bruno Construction and still walks every CWS job in Ontario personally before a single cabinet box gets unboxed. If you’re planning a CWS cabinet install, reface, or full kitchen remodel anywhere in Ontario’s 91758, 91761, 91762, or 91764 ZIP codes, call (866) 472-1908 for a free estimate. We coordinate the trades so you don’t have to.
Why Ontario Residents Choose Us for CWS Service
Ontario sits in a strange construction sweet spot. It’s the logistics engine of the I-10 corridor, where every third building is a million-square-foot distribution center with post-tension slabs and dock-high loading. Then, six blocks south of Holt Boulevard, you’re in a 1955 tract home with the original stick framing and a kitchen that hasn’t seen a new cabinet since the Eisenhower administration. Most contractors in Ontario pick one lane, commercial or residential. We work both, and we bring what we learn from the warehouse side into residential CWS cabinet work, things like expansion tolerance, moisture management, and substrate prep that a kitchen-only remodeler never has to think about.
Our CWS work stays honest. We carry CWS OEM hinges, glides, and touch-up finishes for warranty-sensitive repairs and out-of-warranty cabinets get quality aftermarket soft-close hardware that meets or beats OEM spec. We’ll tell you straight when a CWS box is worth repairing versus replacing, especially when water damage or thermofoil failure has gotten into the particleboard substrate. Noel trained in construction technology, reads plans and load paths before a tool comes out of the truck, and has spent two-plus decades running residential projects across San Mateo County. He brings that same read-the-room-first mindset to every Ontario kitchen. Good construction doesn’t announce itself, it just works, year after year.
Styles & brands we work with







Common CWS Construction Problems We Solve in Ontario
- Thermofoil delamination on south and west-facing CWS doors. Ontario’s summers run hot and dry, and when the Santa Anas push through in the fall, unshaded cabinet doors on a south-facing kitchen wall can see interior surface temperatures that make thermofoil peel like old paint. We see it most on CWS slab-style thermofoil doors in 1970s tract homes where the kitchen window faces the afternoon sun.
- Frame separation on CWS boxes in older downtown homes. Downtown Ontario has early-1900s craftsman and Spanish colonial houses with plaster walls and foundations that move more than anyone wants to admit. CWS boxes installed tight against a shifting wall will open at the corners over time. If the house hasn’t had a seismic retrofit, we plan for movement before we set the cabinet run.
- Drawer glide failure from overloaded cabinet bases. Mid-century tract kitchens in Ontario were framed before modern wall blocking was standard. CWS drawer bases rely on solid wall anchors, and when a 1964 tract home has never had blocking added behind the drywall, heavy dishware overloads the glides and the whole drawer starts to sag. We open the wall, add blocking, and re-anchor properly.
- Moisture swelling at sink base cabinets. Original galvanized plumbing in post-WWII Ontario homes sweats in summer, leaks in winter, and quietly ruins whatever sits under the sink. CWS particleboard boxes absorb that moisture and the edges swell until the laminate cracks. We fix the plumbing first, seal the subfloor, then set the cabinet on adjustable legs to keep the box off the slab.
- Buried agricultural piping surprises during demo. Ontario’s citrus and dairy past left more than just good soil. We’ve pulled cabinet bases in older neighborhoods and found abandoned irrigation pipe running right under the kitchen floor. It means the CWS install has to wait while the ground gets sorted. It’s an Ontario problem.
CWS Service in Ontario: What Local Conditions Mean for Your Equipment
Ontario’s warehouse districts routinely hit expansive soils and high water tables left over from the city’s agricultural past, those citrus groves and dairy operations that used to cover this stretch of the Inland Empire. When we work residential CWS installs near older downtown neighborhoods or the 91761 corridor, we’ve found buried irrigation lines and old farm piping under slab floors that no one knew existed until the kitchen came apart. In newer tract areas east of Milliken Avenue, the soil expands and contracts enough with seasonal moisture swings that we recommend deeper anchoring and adjustable legs on every CWS base cabinet, not because CWS boxes are weaker than any other cabinet, but because Ontario ground moves, and cabinets bolted to a slab that moves with it will fight every joint in the box. We’d rather spend an hour setting adjustable legs than come back two years later to tighten separated frames.
Take Euclid Avenue, the spine of downtown Ontario. Homes along Euclid and the surrounding grid sit on some of the oldest residential infrastructure in the city, and foundation movement there is a known variable. A CWS kitchen in that area starts with a floor survey before we ever think about cabinet layout. It’s the kind of local planning you only get from a contractor who’s actually worked Ontario’s older neighborhoods, not just looked at them on a map. For broader context on how we work across the city, see our Ontario service area page.
CWS Models & Products We Service in Ontario
We install and service the full CWS cabinetry lineup you’ll find in Ontario kitchens: the CWS Concord door style in painted or stained finish, the CWS Lancaster raised-panel series, CWS Hartford shaker-style cabinetry, and CWS thermofoil slab doors for modern kitchens. We read CWS spec sheets like service manuals, matching door styles and finishes across existing runs when you only need a few new cabinets instead of a full kitchen. For parts, we keep a working stock of OEM hinges and glides on the truck, but for out-of-warranty repairs we’ll spec aftermarket soft-close hardware that actually outperforms the original. San Bruno Construction is an independent CWS service provider, so no factory authorization, no dealer constraints, just honest work. Full details on our CWS background live on our CWS sales & service page.
See the difference
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AfterCWS Service Pricing in Ontario
Every Ontario kitchen is different, but here’s what we’re quoting right now for CWS work across the 91758 through 91764 ZIP codes:
| CWS Service | Typical Price Range |
|---|---|
| Cabinet Installation | $4,000 – $13,000 |
| Countertop Installation | $2,000 – $6,500 |
| Backsplash Installation | $800 – $2,500 |
| Kitchen Island Installation | $3,000 – $10,000 |
| Full Kitchen Remodeling | $14,000 – $45,000 |
What moves the number: whether we’re refacing existing CWS boxes or doing a full tear-out, whether the countertop substrate needs leveling, whether plumbing or electrical has to be brought up to code, and whether we find any of those buried Ontario surprises once the old cabinets come down. A free estimate means we come out, measure, check the floor and the walls, and give you a written line-item quote so you know exactly where the dollars go. Call (866) 472-1908 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 – CWS Construction in Ontario
Yes. We match CWS door styles from your existing run, usually Concord, Lancaster, or Hartford, then match the finish as closely as the original batch allowed. CWS finishes shift slightly between production runs, so on older cabinets we’ll often refinish the entire face frame to keep everything consistent. Call (866) 472-1908 and we’ll walk you through what’s matchable.
Yes, but only if the substrate hasn’t absorbed moisture. Thermofoil delamination can be re-laminated if the door core is still solid, but once the particleboard underneath has swelled or crumbled, you’re looking at new doors, not a repair. Either way, we’ll tell you which one you’re dealing with before we quote anything.
We do. Plaster walls don’t scare us, but they do change the anchoring plan. We use plaster-specific anchors and add blocking where the original framing never anticipated a cabinet run. We’ve done CWS installs in craftsman and Spanish colonial homes downtown, around Euclid and Holt, and the work holds because we plan for the wall, not against it.
Expansive soil moves with moisture, and Ontario’s got plenty of it left from the old citrus and dairy irrigation days. In slab homes, that movement transfers up through the floor and into whatever’s bolted to it. We set CWS base cabinets on adjustable legs, shim to a level line, and avoid anchoring boxes hard to the slab. It adds an hour to the install and years to the cabinet life.
Most CWS cabinet-only installs run three to five working days. Add a day or two if we’re refacing existing boxes, and a full CWS kitchen remodel with countertops, backsplash, and plumbing usually runs two to four weeks depending on what the demo uncovers. Call (866) 472-1908 and we’ll give you a realistic timeline after the site visit.
Service Areas Near Ontario
We run CWS cabinet service throughout the inland corridor beyond Ontario, including CWS service in Rancho Cucamonga and CWS service in Apple Valley. If you’re in a neighboring city and have CWS cabinets, call us, we’ll figure out the route and get you on the schedule.
Book Your CWS Service in Ontario Today
If you’ve got CWS cabinets that need installing, refacing, or rescuing, the next step is a free estimate. Call (866) 472-1908 and we’ll come measure, check the floors and walls, and tell you exactly what your Ontario kitchen needs.
Written by Noel Carvalho, Owner at San Bruno Construction, serving Ontario since day one.