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CGI Construction in Tustin, CA | Square One Builders
CGI construction service in Tustin means installing and finishing around CGI cabinet and countertop lines across two very different foundation types: the raised pier-and-beam bungalows of Old Town and the slab-on-grade tract homes of Tustin Ranch and Tustin Legacy. We are an independent contractor, not a CGI dealer or authorized rep, and our work is scoped job-by-job, not by a manufacturer playbook. If you’re planning a kitchen or bath project involving CGI products in Tustin, call Square One Builders at (877) 688-9930 for a free estimate.

Why Tustin Residents Choose Us for CGI Service
Square One Builders is a general contractor, which matters when CGI cabinets meet a Tustin floor that isn’t level. Most cabinet installers will hang boxes and shim at the toe kick, then leave. We look at the floor structure first because we’ve spent nearly three decades on Orange County homes, and Brent Calloway, our owner and GC, grew up in the Midway City pocket just off Bolsa Avenue and knows exactly how pier-and-beam framing behaves after ninety years of settling. That background shapes every CGI install we scope, plus CGI repair in Santa Ana when clients refer us south. We spec the right cabinet line for the floor and the wall, swap in quality aftermarket hinges and soft-close slides where the stock hardware is thin, and we never pretend a slab homesite and a raised bungalow are the same job. One contractor, every system, built from the ground up.
Styles & brands we work with







Common CGI Construction Problems We Solve in Tustin
- Racked cabinet boxes on slab floors. Tustin Ranch and Tustin Legacy homes are slab-on-grade, and not every slab is dead flat. RTA cabinet boxes assembled with staples and cam-locks will loosen and rack out of square when there’s a hollow spot under the run. We shim and establish a true plane before the first cabinet goes in.
- Swollen, delaminating door fronts near the sink. The Santa Ana coastal plain swings from dry heat to damp marine air, and particleboard or MDF core doors on CGI lines can swell at the sink base. We address the moisture source and replace with better-spec’d panels where the product allows it.
- Peeling thermofoil and laminate skins on west-facing walls. Tustin summers are semi-arid with intense afternoon sun. Thermofoil and laminate door skins can peel or yellow under direct UV and heat gain. We’ll tell you up front which CGI door finish is a bad idea for a west-facing kitchen in 92782.
- Stripped hinge and drawer-glide mounting points. Frameless CGI cabinets rely on thin panel material for hardware anchoring. Heavy use in a busy family kitchen strips those screw points over time. We re-drill, back-fill, and upgrade to soft-close aftermarket hardware rather than repeating the same weak mount.
- Out-of-square runs on settled Old Town floors. In 92780, raised pier-and-beam foundations move. A cabinet run set level on Monday can be off by Friday if the framing beneath it is compromised. We check the floor structure before we set boxes, not after the doors won’t close.
CGI Service in Tustin: What Local Conditions Mean for Your Equipment
Here’s the split no neighboring city has to plan around. Old Town Tustin’s 92780 bungalows sit on raised pier-and-beam foundations while Tustin Ranch and Tustin Legacy are slab-on-grade. That means the same CGI cabinet run has to be scribed and shimmed to a wood-framed, slightly moving floor in one ZIP and a rigid but sometimes hollow slab in another. On a 1920s bungalow off El Camino Real, our crew pulled out a sagging cabinet run and found the raised floor had settled unevenly over the decades. We sistered and shimmed the framing to establish a true plane before setting new CGI Shaker cabinets, then finished with a quartz countertop. The doors now close flush across the whole run. No amount of hinge adjustment would have fixed that floor. In Tustin, the foundation prep is the cabinet install. That’s the part most bids skip, and it’s the part that determines whether the job stays square after year one.
CGI Models & Products We Service in Tustin
We work across the CGI Ready-to-Assemble all-plywood cabinet lines, the Euro-style frameless full-overlay cabinets, and the Shaker and flat-panel door styles, plus the CGI quartz and granite countertop programs. Our parts approach is straightforward: where the box material and hardware grade justify it, we keep the CGI product as specified. Where stock hinges and slides are the weak point, we swap in quality aftermarket hardware and plywood end panels. For Old Town bungalows, we’d rather repair and re-face sound original cabinetry than rip out solid wood boxes that outlast most new RTA product. For more on the CGI lines we source, see our CGI sales & service page. If you’re outside Tustin, check our Tustin service area page for coverage details.
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AfterCGI Service Pricing in Tustin
CGI project costs in Tustin depend on the scope, the floor-prep required, and the countertop line. Here are the ranges we quote most often:
| Service | 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 |
| Kitchen Remodel | $14,000 – $45,000 |
What moves the number is prep work, not markup. A slab floor that needs two hours of shimming costs less than a bungalow floor that needs framing correction before cabinets can be set. Every free estimate includes a written, line-item scope so you see exactly what you’re paying for. Call (877) 688-9930 and we’ll walk the site with you.
Serving Tustin, CA — Our Local Coverage Area
We’re based in the Tustin area and also handle CGI in North Tustin, so we 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 Tustin
Slab-on-grade floors in Tustin Ranch and Tustin Legacy are rigid but not always flat. A hollow spot or slight deviation under a cabinet run creates a twist that loosens cam-lock and staple-assembled RTA boxes over time. The fix is leveling and shimming the run to a true plane before installation, not after the doors start binding. Call (877) 688-9930 for an exact inspection, estimates are free.
Yes, and significantly. Raised pier-and-beam floors in 92780 move with seasonal moisture and decades of settlement. We check the framing under the kitchen before setting any cabinet, and in some cases we sister or shim joists to create a stable, level base. Skipping that step is how you get doors that close perfectly for six months and then gap out. Call (877) 688-9930 to have us look at your floor before you spend on cabinets.
Depends on the exposure. On a west-facing wall in Tustin’s semi-arid summers, thermofoil and laminate skins are prone to peeling and yellowing. On an interior wall with normal light, they hold up fine. We’ll tell you which CGI door finish makes sense for your specific wall orientation before you order, whether that’s in Tustin or you need Irvine CGI service. Call (877) 688-9930 to spec it right.
Often yes. Many Old Town Tustin bungalows have solid wood original boxes that are structurally better than most new RTA product. Refacing with new doors and hardware, plus a countertop update, usually costs less than a full tear-out and keeps the original character. We’ll give you an honest comparison on both routes. Call (877) 688-9930 for a free estimate.
Generally no, because interior kitchen work doesn’t require HOA approval in most Tustin Legacy and Tustin Ranch communities. What does matter is if your kitchen remodel ties into a larger addition or exterior change, where HOA review does apply. We’ll flag that early in the scope. Call (877) 688-9930 and we’ll map out what applies to your specific property.
Service Areas Near Tustin
Square One Builders provides CGI construction and cabinet service throughout Tustin and nearby Orange County communities. We regularly work in Santa Ana, Irvine, Orange, Villa Park, and North Tustin. For coastal work, see our CGI service in Newport Beach page. For inland communities, see CGI service in Placentia.
Book Your CGI Service in Tustin Today
Start from square one, build it right. If you’re planning a CGI kitchen, bath, or countertop project in Tustin, call Square One Builders at (877) 688-9930. We’ll schedule a free site walk, check the floor and the walls, and give you a written line-item estimate. Your remodel, fully managed.
Written by Brent Calloway, Owner at Square One Builders, serving Tustin since the early 2000s.