Kitchen remodeling
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CGI Construction in Ontario, CA | Iron Beam Contractors
We install, repair, and reface CGI cabinetry across Ontario as an independent contractor, and the local variable that changes how CGI work plays out here is the housing stock itself. Most kitchens we open in the 91761, 91762, and 91764 ZIP codes sit on 1950s and 1960s slab foundations, and slab movement is what separates a clean CGI cabinet install from one that sags, binds, and pops hinges within two years. If you’re weighing a CGI kitchen or bath project in Ontario, call us at (833) 756-5936 for a free on-site estimate, and we’ll tell you exactly what condition your slab and framing are in before any cabinet gets ordered.
Why Ontario Residents Choose Us for CGI Service
We’ve installed and reworked CGI’s RTA all-plywood lines, their Shaker solid-wood door series, and their thermofoil-faced vanities in enough Ontario homes to know which cabinet holds up and which one doesn’t under this city’s dry heat and slab conditions. We also offer CGI service in Chino. That matters because Nolan Driscoll, our owner, learned construction the hard way, through the Building and Construction Technology program at Santiago Canyon College and then two-plus decades framing and pouring across Orange County and the Inland Empire. He grew up in Friendly Hills and knows what clay layers and slab-on-grade construction do to a cabinet run over time. We carry OEM-matched CGI doors, drawer fronts, and hardware when a box is still sound, and we use quality aftermarket soft-close glides and hinges when the original hardware is the weak point. We’re independent, not a CGI dealer or authorized warranty shop, and we’re straightforward about that.
Styles & brands we work with







Common CGI Construction Problems We Solve in Ontario
- Thermofoil peeling on vanity doors and uppers. We see this most in the older Ontario tract homes where a 1950s bath stays humid from a slow supply-line weep. The thermofoil blisters along the bottom rail first, then peels. We reface or replace the affected doors and fix the moisture source at the same time, because replacing the door without killing the humidity just sets up a repeat.
- Shaker stile and rail joint separation. Ontario’s summer heat cycling dries cabinet joints fast, especially on cabinets flanking a range or sitting under a west-facing window. The joints open, the door loses its square, and the finish cracks along the seam. We re-glue and clamp where the door is salvageable, and replace it when it isn’t.
- Sagging shelves and blown hinge screw holes in particleboard boxes. This usually traces back to a prior water event at the sink base or dishwasher bay. The particleboard swells, the shelf sags, and the hinge screws lose their bite. We re-box when the carcass is compromised, and we always check what caused the water before we rebuild.
- Loose or misaligned drawer glides from slab settlement. Ontario’s older citrus-tract slabs crack and settle, and a cabinet that was shimmed level at install can be out of plumb five years later. The drawer glides bind, the doors rack, and the hardware loosens. We re-shim, re-level, and re-hang the cabinet rather than just cranking the hinge screws tighter.
- Full tear-out misdiagnosis. We regularly walk into kitchens where a contractor quoted a full replacement because a few doors were water-damaged. If the carcasses are dry, square, and plumb, we reface or re-box instead, and we tell you straight when they aren’t worth saving.
CGI Service in Ontario: What Local Conditions Mean for Your Equipment
Ontario sits in the heart of the Inland Valley, and the city’s permitting and air-quality regime shapes even a small residential cabinet job. Because the warehouse and tilt-up concrete belt around the airport and the 91761 industrial corridor falls under South Coast Air Quality Management District rules, a CGI cabinet tear-out near that zone can require dust-control measures, water suppression on cuts, and equipment idling limits that contractors working in foothill cities to the north don’t plan for. On a 1957 ranch home in the older tract blocks off south Euclid near the 91762 line, our crew opened a CGI kitchen to find the sink base swollen and the thermofoil uppers peeling from a slow leak in the original galvanized supply line. We replaced the wet carcases with new matching CGI Shaker boxes, refaced the sound uppers, ran dust control for the demo under SCAQMD rules, and set the new cabinets on shimmed sleepers to keep them off the slab. That’s the Ontario-specific part: the slab, the humidity, the galvanized lines, and the air district all show up in a single kitchen, and we plan for all four.
CGI Models & Products We Service in Ontario
We work across the CGI Ready-to-Assemble all-plywood kitchen cabinet lines, the Shaker-style solid-wood door series, the thermofoil and laminate-faced vanity and base cabinet lines, and the semi-custom painted and stained collections. On any job, we follow a straight OEM-vs-aftermarket rule: when a CGI box is structurally sound, we order OEM-matched doors, drawer fronts, and finish panels so the repaired cabinet matches the rest of the run. When the original hardware is the failure point, a quality aftermarket soft-close glide or hinge is the better fix, and we use it without hesitation. We stock the most common replacement parts locally in Ontario to keep turnaround tight, and we order specific CGI finishes and door profiles directly when a job needs them.
See the difference
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AfterCGI Service Pricing in Ontario
What you’ll pay depends on how much of the existing cabinetry can be saved, how far out of level the slab has moved, and whether you’re refacing or tearing out. Here are the market ranges we work within for Ontario:
| Service | Typical Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Small Kitchen Remodel | $9,000 – $20,000 |
| Cabinet Installation | $4,000 – $13,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Bathroom Vanity Installation | $800 – $3,000 |
| Countertop Installation | $2,000 – $6,500 |
Our free estimate includes a slab and framing check, a written line-item scope, and an honest read on which CGI cabinets are worth saving. Call (833) 756-5936 to schedule one, and we’ll walk the job with you before any numbers get finalized.
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 – CGI Construction in Ontario
No. Iron Beam Contractors is an independent general contractor with deep CGI product familiarity from years of installing, modifying, and reworking their cabinets across Ontario and the Inland Empire. We are not authorized, sponsored, or warranty-endorsed by CGI, and we say so plainly. What we provide is jobsite experience with the product line plus Ontario-specific permitting and dust-control knowledge.
We use OEM-matched CGI doors, drawer fronts, and hardware when the cabinet box is sound and the repair calls for a matching finish. When the original hardware is the weak point, we move to quality aftermarket soft-close glides and hinges, which are often more durable than the original spec. We explain the choice for each repair before we order anything.
A typical reface or partial re-box in an Ontario kitchen runs three to six working days from demo to final hardware adjustment, depending on how much slab leveling and SCAQMD dust-control work is involved. Full kitchen remodels with countertops run longer. Call (833) 756-5936 for a timeline on your specific job.
We service the CGI Ready-to-Assemble all-plywood kitchen lines, the Shaker solid-wood door series, the thermofoil and laminate-faced vanity and base cabinet lines, and the semi-custom painted and stained collections. If you have a CGI cabinet that isn’t on that list, call us and we’ll tell you honestly whether we can source the doors and hardware to match.
A full CGI kitchen remodel in Ontario typically runs $14,000 to $45,000, while a bathroom remodel runs $9,000 to $28,000. Cabinet-only installation runs $4,000 to $13,000, and a vanity installation runs $800 to $3,000. The exact number depends on how much of the existing cabinetry is salvageable and what condition your slab is in. Call (833) 756-5936 for a free written estimate, and we’ll price the actual scope, not a range.
Service Areas Near Ontario
We serve Ontario and the surrounding Inland Empire communities, including CGI service in Claremont and CGI service in Jurupa Valley. Our full Ontario service area covers the 91758, 91761, 91762, and 91764 ZIP codes, and our CGI sales & service work extends across the region for homeowners who want one accountable contractor on the job.
Book Your CGI Service in Ontario Today
If your CGI cabinets are peeling, sagging, or racking out of square, call Iron Beam Contractors at (833) 756-5936. We’ll schedule a free on-site estimate, check your slab and framing, and give you a straight answer on what’s worth saving and what isn’t.
Written by Nolan Driscoll, Owner at Iron Beam Contractors, serving Ontario and the Inland Empire.