







Free written scope consultation - allowances, timeline, and change-order rules on paper before a single trade is scheduled
CGI Construction in Anaheim, CA | Penhallow Remodeling Riverside
We provide independent CGI window, door, and construction service across Anaheim, and the short answer is this: most older Anaheim homes were built slab-on-grade between 1950 and 1975, and when that concrete moves during drought cycles, your CGI frames move with it. The repair is rarely just about the window itself. It’s about squaring the rough opening, addressing the soil movement underneath, and installing a unit that will actually hold its seal through Anaheim’s hot summers and Santa Ana wind season. Trevor Nash and our crew at Penhallow Remodeling Riverside handle CGI sales & service for homeowners throughout Anaheim who want a written price and a written guarantee before any tool comes off the truck. Call (341) 895-1170 for a free estimate.
Why Anaheim Residents Choose Us for CGI Service

We’re not a CGI factory outlet and we don’t pretend to be. We’re an independent contractor that has spent years working on CGI windows and doors in Anaheim homes, which means we can tell you honestly when a unit should be repaired, when it should be replaced, and when the problem isn’t the window at all but the foundation beneath it. Trevor grew up in Los Angeles and learned his trade at Los Angeles Trade-Technical College, and he’s carried that training into every job: measure twice, understand the substrate, and give you a number before you spend a dime. Our techs are background-checked and uniformed, and a live person answers our phone 24/7. When you call about a fogged CGI unit on a Friday night, you talk to a person, not a voicemail box.
We cover Anaheim service area thoroughly, from the 1950s tracts on the west side to the newer builds east of the 57. The difference between those two halves of the city shows up in our work every week.
Styles & brands we work with






Common CGI Construction Problems We Solve in Anaheim
- Warped sashes on older A-Series windows from Anaheim heat. When summer temperatures climb past 95°F for weeks at a stretch, older CGI A-Series sashes can warp just enough to break their weather seal. You’ll notice dust on the interior sill after a windy day, particularly on west-facing elevations where the Santa Ana winds hit hardest.
- Fogged single-pane CGI units in original post-war frames. Original CGI single-pane glass from the 1960s loses its seal under years of intense UV exposure. The result is condensation between the panes and a measurable drop in energy performance. We can replace the glass or upgrade the unit depending on the frame condition.
- Racked frames from concrete slab movement on west-side tract homes. This is the big one in Anaheim. When the slab under a 1950s home shifts, the rough opening around the window distorts, leaving the CGI frame out of square. Water finds the gap behind the stucco, and the window binds when you try to open it.
- Corroded aluminum-clad exterior trim on north-facing elevations. Anaheim’s mild winters bring just enough moisture to accelerate corrosion on older CGI aluminum cladding, especially on the shady side of the house where surfaces stay damp longer.
- Failed balance shoes and sweeps. These are the common wear items we replace most often on CGI units across Anaheim. When they fail, the window won’t stay open or lets air in around the bottom sash. These are also the parts where we recommend equal-quality aftermarket components because they hold up better in Anaheim’s heat than original spec.
CGI Service in Anaheim: What Local Conditions Mean for Your Equipment
Here’s the thing about Anaheim that doesn’t get said enough. The west side has thousands of 1950s tract homes built with monolithic slab foundations that crack along the original sawcut control joints as drought cycles shrink the expansive soil beneath them. We saw this firsthand on a 1954 build near Twila Reid Park, where our tech measured a ⅜” vertical gap on a CGI Windsor Pinnacle double-hung because the slab had dropped at the corner. We removed the window, squared the rough opening with a pressure-treated sill, and reinstalled it with new balance shoes. The homeowner called back the same week to say the Santa Ana dust had stopped blowing in. That’s the difference between patching a symptom and fixing the cause. East Anaheim’s newer developments sit on engineered pads and don’t see anywhere near the same frame-racking rate. So when someone tells you a new CGI window will solve your problem, ask them whether they checked the square of the rough opening first. If they haven’t, they’re guessing.
CGI Models & Products We Service in Anaheim
We service CGI product lines common to this market: the Windsor Pinnacle, A-Series, Estate Collection, and Builder Series. For structural components where fit matters, we use OEM CGI parts. For wear items like balance shoes, sweeps, and glazing beads, we install equal-quality aftermarket components that resist Anaheim’s thermal cycling better than the originals. We keep a range of common CGI hardware stocked locally so a repair on an Anaheim property doesn’t wait on a slow parts shipment. If the frame is racked from foundation movement, we’ll tell you to replace rather than patch. A properly squared rough opening costs less in the long run than chasing cracks every dry season.
See the difference
Before
After
Before
After
Before
AfterCGI Service Pricing in Anaheim

All pricing is written down before work starts. That’s our Kingswell standard and the 365-Day Done Right Promise backs it: if your CGI repair fails inside the guarantee period, we come back and fix it at no charge.
| Service | Price Range |
|---|---|
| Window Replacement | $4,500 – $15,000 |
| Impact Window Installation | $8,000 – $25,000 |
| Kitchen Remodel | $14,000 – $45,000 |
| Bathroom Remodel | $9,000 – $28,000 |
| Roof Replacement | $8,000 – $20,000 |
General Contractor in Anaheim - window replacement on a typical home depends on the number of units, the frame condition, and whether slab movement means extra rough-opening work. A free estimate includes a written line-item breakdown, so the number you see on day one is the number on the invoice. Call (341) 895-1170 to schedule yours.
Serving Anaheim, CA - Our Local Coverage Area
We’re based in the Anaheim 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 Anaheim
Because west-side homes sit on monolithic slab foundations poured in the 1950s, and those slabs crack along original sawcut control joints as drought cycles shrink the expansive soil. When the slab moves, the rough opening distorts and the CGI frame binds. East Anaheim’s newer developments are built on engineered pads that don’t shift the same way. Call (341) 895-1170 if your windows are binding or letting in dust, and we’ll diagnose the cause before recommending any repair.
We can replace the glass in many cases, but we’ll always check the frame square and seal condition first. If the frame is racked or the original seal has failed entirely, a new unit is the better long-term call. We’ll show you both options with written pricing.
Santa Ana winds drive dust through any gap in a weather seal, and those gaps are usually created by thermal warping on sun-exposed elevations. If you’re seeing dust settle on interior sills on west-facing windows, the seal has likely failed. A free inspection will confirm it.
Yes, if the rough opening is not squared first. That’s why we check the framing and slab condition on every our Bathroom Remodeling in Anaheim and CGI installation, particularly on post-war tract homes. A new window in a racked opening will fail early no matter how good the unit is. Call (341) 895-1170 for an exact quote, and we’ll inspect the opening as part of the estimate.
Window replacement on a 1950s Anaheim tract home typically runs $4,500 to $15,000 depending on unit count, glass package, and whether slab movement means we need to square the rough openings. Impact-rated CGI units start higher at $8,000 to $25,000. Estimates are free and written, so call (341) 895-1170.
Service Areas Near Anaheim
We serve Anaheim and the surrounding communities. If you’re in CGI service in Ontario territory, or closer to CGI service in Riverside, our crews cover both. We also work in San Bernardino, Menifee, and Claremont.
Book Your CGI Service in Anaheim Today
Ready for a written price and a written guarantee? Call (341) 895-1170 and we’ll schedule your free estimate. A real person answers.
Written by Trevor Nash, Owner at Penhallow Remodeling Riverside, serving Anaheim since 2004.












