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CGI Construction in Rancho Cucamonga, CA | Polaris Contractors
We provide independent CGI cabinetry and countertop service across Rancho Cucamonga, from 91701 to 91739. What makes our work different here is simple: we know how CGI thermofoil, RTA boxes, and quartz tops behave in post-1970s tract homes with slab foundations, stucco walls, and 100°F summers. If you own CGI kitchen cabinets or counters in Rancho Cucamonga and something’s peeling, racking, or cracking, call (855) 473-6535 for a straight answer and a free estimate.
We’re Polaris Contractors, and we’ve spent years repairing and installing CGI lines across the Inland Empire. If you’re weighing repair against replacement, or just want to understand what’s actually wrong with your kitchen, this page covers what we see most often in Rancho Cucamonga specifically. You can also explore our broader CGI sales & service page for context on the full brand lineup we work with.
Why Rancho Cucamonga Residents Choose Us for CGI Service
This city’s housing stock is overwhelmingly 1970s-to-2000s Mediterranean stucco tract homes with concrete tile roofs and slab foundations. That matters for CGI work. Cabinets sit on slabs that move. Countertops bridge cabinets that rack. Door faces bake in direct sun through west-facing sliders. Our crews have handled enough of these exact kitchens to know what fails, what holds, and what’s worth saving.
Rick Sondermann, our owner, grew up around finish carpentry and has nearly thirty years in residential construction. He’d rather explain one thing thoroughly than sell you something you don’t need. That’s why we’ll tell you honestly when a CGI carcass is sound and refacing makes sense, and when water damage or structural racking means replacement is the only real option. Branches of our work extend throughout the Rancho Cucamonga service area, so we’re already familiar with the HOA processes and Title 24 considerations that come with nearly every remodel here.
Styles & brands we work with







Common CGI Construction Problems We Solve in Rancho Cucamonga
- Thermofoil and laminate door face peeling. CGI thermofoil blisters and delaminates at the edges when cabinets sit on sun-exposed walls. West-facing kitchens in Rancho Cucamonga get hammered by afternoon UV, and we see curled, peeling door faces constantly in 1980s tract homes off Haven Avenue and Milliken.
- RTA and frameless box racking. Slab foundations in the foothill zones of 91737 and 91739 sit on expansive clay that moves seasonally. Floors drift slightly out of level, and CGI RTA boxes that were never perfectly square start racking. Joints loosen, doors hang crooked, and drawers bind.
- Quartz seam chipping at sink and cooktop cutouts. CGI quartz and laminate tops develop hairline seams and edge chips when installed without proper substrate support over a settling slab. We fix this by pulling the top, correcting the substrate, and resetting with proper seam support.
- Particleboard and MDF swelling at toe kicks and under-sink bases. Slow leaks in low-humidity, high-heat interiors never really dry out. CGI carcasses made from particleboard or MDF swell and crumble in these spots, and we replace the affected components rather than the whole run when the box is otherwise intact.
- Discontinued line matching. Entire streets in 91730 and 91701 hit the end of their cabinet life around the same time because the homes were built in tight builder runs. When a CGI line is discontinued, we source dimensionally matched quality aftermarket doors and hardware so the repaired run still looks cohesive.
CGI Service in Rancho Cucamonga: What Local Conditions Mean for Your Equipment
Here’s a fact most service pages won’t tell you: Rancho Cucamonga’s tract neighborhoods were built in tight builder runs from the 1970s through the 2000s, so entire streets in ZIPs like 91730 and 91701 hit the end of their cabinet and countertop life within a few years of each other. That means neighbors are often remodeling CGI kitchens on the same schedule, competing for the same trade crews. If three houses on your street need refacing this spring, the crews who know CGI’s quirks book out fast. Planning ahead matters here more than in older cities where housing stock is staggered. We keep OEM-compatible CGI door fronts, hinges, and drawer hardware in our supply chain so we can move on a Rancho Cucamonga job without waiting on a manufacturer lead time.
In a 1980s tract home off Haven Avenue in 91730, our crew tore out a CGI thermofoil kitchen where every upper door face had peeled and curled from years of west-facing sun through the slider. We kept the sound cabinet boxes, refaced them with new shaker fronts, re-leveled the base run over the slab, and set a new quartz top with proper substrate at the sink cutout. The homeowner got a full kitchen change without paying for new box construction. That’s the difference between knowing CGI products and knowing how they behave in Rancho Cucamonga specifically.
CGI Models & Products We Service in Rancho Cucamonga
We work on the full CGI range you’re likely to find in Inland Empire kitchens. That includes CGI Ready-to-Assemble (RTA) Shaker cabinetry sold through local dealers, CGI Euro-style flat-panel and slab-door lines, CGI quartz countertop slabs and vanity tops, and CGI thermofoil and laminate cabinet door fronts. When a line is still supported, we match OEM CGI door fronts, hinges, and drawer hardware so the repair blends with the rest of the run. When it’s discontinued, we source dimensionally matched quality aftermarket components that keep the kitchen visually consistent. We’ll reface or repair intact CGI boxes honestly when the carcass is sound, and we’ll tell you plainly when water damage or racking has compromised the structure enough that full replacement is the smarter spend.
See the difference
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AfterCGI Service Pricing in Rancho Cucamonga
What you’ll pay depends on how much of the kitchen we’re touching, whether the existing boxes are structurally sound, and what materials we’re setting on top. The table below reflects what we typically see on Rancho Cucamonga CGI kitchens.
| Service | Typical Range |
|---|---|
| Kitchen Remodel | $14,000 – $45,000 |
| Small Kitchen Remodel | $9,000 – $20,000 |
| Cabinet Installation | $4,000 – $13,000 |
| Countertop Installation | $2,000 – $6,500 |
| Kitchen Island Installation | $3,000 – $10,000 |
| Backsplash Installation | $800 – $2,500 |
Every estimate is free and line-itemed, so you’ll see exactly where the money goes before you commit. Call (855) 473-6535 and we’ll walk the kitchen with you, check the boxes and slab, and give you a written number.
Serving Rancho Cucamonga, CA — Our Local Coverage Area
We’re based in the Rancho Cucamonga 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 Rancho Cucamonga
Usually yes, if the underlying MDF door core hasn’t swollen. We can strip the failed thermofoil and re-skin the doors, or reface the entire run with new fronts that handle UV better. The peeling is cosmetic at first, but if left too long, the core absorbs moisture and the doors are done. Call (855) 473-6535 for an honest look at what’s salvageable.
Interior cabinet and countertop replacement typically doesn’t require HOA approval because it doesn’t change the exterior of the home. If your remodel touches windows, exterior doors, or anything visible from the street, that’s a different conversation. We can help you sort out what needs paperwork and what doesn’t.
It can, if the substrate isn’t corrected before installation. Foothill homes in 91737 and 91739 sit on expansive clay, and seasonal movement throws slabs slightly out of level. We correct the substrate and support the cutouts properly so the quartz doesn’t carry the stress. Installed right, it’ll hold.
Yes. When CGI still supports the line, we match OEM fronts, hinges, and hardware exactly. When it’s discontinued, we source dimensionally matched aftermarket doors that fit the existing boxes and maintain the visual consistency of the run. You won’t be able to tell which door is new.
Sustained 100°F summers dry out adhesives and accelerate thermal expansion in thermofoil and laminate. That’s why we choose materials and installation methods suited to high-heat, low-humidity interiors rather than defaulting to what works in coastal climates. It’s a real factor here, and it shapes every material recommendation we make. Call (855) 473-6535 to talk through your options.
Service Areas Near Rancho Cucamonga
Most of our CGI work stays within Rancho Cucamonga’s four ZIPs, but we regularly take on kitchens in nearby communities. If you’re in Anaheim, Cypress, Villa Park, Foothill Ranch, La Palma, or Ladera Ranch, we can help. Our CGI service in Mead Valley team covers the corridor to the southeast, and our CGI service in Sunnyslope crews handle jobs further into the foothills.
Book Your CGI Service in Rancho Cucamonga Today
If your CGI cabinets are peeling, racking, or showing water damage, we’ll tell you what’s worth saving and what isn’t. Call (855) 473-6535 to schedule a free estimate. Rick and our crews know Rancho Cucamonga’s tract homes, slabs, and sun, and we’ll give you a straight number before any work starts.
Written by Rick Sondermann, Owner at Polaris Contractors, serving Rancho Cucamonga since 2005. Do it right the first time – the second time always costs more.