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CGI Construction in Orange County, CA | Penhallow Remodeling Orange County
We provide independent CGI window and door service across Orange County, from impact window installation to full replacements and the roof repair work that often accompanies them. What makes our CGI work here different: we pre-check the city-specific code envelope before ordering any custom unit, because Orange County’s patchwork of municipal wind zone maps means one size does not fit all. Call (424) 541-1701 to schedule a free estimate and get a written price before any work starts.
Why Orange County Residents Choose Us for CGI Service

We’re not a manufacturer-authorized dealer, and we’re upfront about that. We’re an independent CGI service provider. That independence lets us recommend the repair that actually makes sense for your house rather than the replacement a brand rep might push. Trevor Nash, who heads our team as a General Contractor in Orange County, learned the trade at Los Angeles Trade-Technical College and has been managing crews across Southern California for decades. He’s walked through enough Irvine tract homes near the Spectrum to know exactly how 1980s CGI frames behave after thirty years of coastal air. Give you the number first, then pick up the tool. That’s how we operate.
We carry OEM CGI hinges, locks, and crank operators because the milled profiles on these windows demand exact tolerances. For glass and weatherstripping, we stock quality aftermarket equivalents that meet or exceed Miami-Dade performance standards. The result: faster turnaround for Orange County homeowners and parts that actually fit.
Styles & brands we work with







Common CGI Construction Problems We Solve in Orange County
- Salt-corroded frame corners on CGI Sentinel impact windows. In beach-adjacent zones like Newport Beach and Huntington Beach, marine air accelerates aluminum frame corrosion. We replace the corroded corner keys and setting blocks, then re-glaze with laminated impact glass when needed.
- Failed compression seals on older CGI Classic casement windows. When Santa Ana winds hit 60+ mph, worn seals turn into a howling air leak you can hear from the living room. We remove the old gasket, clean the pinch groove, and install new weatherstripping rated for high-wind deflection.
- Stripped or seized crank operators on CGI Estate awning windows. Unshaded south-facing exposures in places like Costa Mesa bake the operator gears until the mechanism binds. We replace the crank assembly with OEM hardware and re-lubricate the hinge track.
- Fogging between panes on CGI Targa horizontal sliders. Intense UV breaks down the original butyl seals over a decade or two of Orange County sun. We deglaze the sash, replace the desiccant and sealant, and reset the glass so the fog stays gone.
- Water intrusion at sill flashing on older CGI installations. Many 1960s and 70s homes in Anaheim and Garden Grove have original sill pans that never drained properly. We inspect the drainage weeps, replace the flashing where corrosion has set in, and stop the slow leak before it reaches the wall framing.
CGI Service in Orange County: What Local Conditions Mean for Your Equipment

Here’s the thing nobody tells you in a showroom: Orange County’s patchwork of city-specific building codes means a CGI impact window that passes inspection in Anaheim may fail in Garden Grove if the pressure rating doesn’t match that city’s wind zone map. Each city wrote its own development standards during the postwar building boom, and the HOA architectural guidelines layered on top differ from one tract to the next. Before we order any custom unit, we pull the wind load requirements for your specific street and check the pressure rating against what the local building official will actually sign off on. It costs us an extra hour on the front end. It saves you a failed inspection and a re-order on the back end.
One job that sticks with us: a 1962 ranch on Sycamore Street in Anaheim with two CGI Sentinel fixed windows that had salt-corroded frame corners from decades of marine air drifting inland. We removed the original sashes, replaced the corroded corner keys and setting blocks, re-glazed with laminated impact glass, then swapped the weep baffles to stop the Santa Ana whistle the homeowner had been hearing every fall for years. This level of detailed restoration is part of our Bathroom Remodeling in Orange County approach: fix what can be fixed, replace only when necessary. The frames were true, so we repaired them. Had the sill flashing shown the kind of pitting that recurs, we’d have recommended full replacement instead.
CGI Models & Products We Service in Orange County
We service the full residential CGI lineup: Sentinel Series impact windows, Estate Collection casements and awnings, Classic Series single-hungs and sliders, and Targa Series horizontal rollers. For hardware, we use OEM CGI components whenever they’re available because the milled profiles demand exact tolerances. For glass and weatherstripping, we offer aftermarket equivalents that meet or exceed Miami-Dade performance. We keep common CGI hardware in our local stock so Orange County turnaround doesn’t stall waiting on a freight shipment. Curious about the broader scope of our work? See CGI sales & service for the full breakdown.
See the difference
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AfterCGI Service Pricing in Orange County
| Service | Price Range |
|---|---|
| Impact Window Installation | $8,000 – $25,000 |
| Window Replacement | $4,500 – $15,000 |
| Roof Repair | $400 – $1,800 |
What drives the number up or down: window count, frame condition, whether we’re matching an existing bronze or white finish, and whether the sill flashing needs rework. A free estimate from us includes a written line-item price, not a verbal ballpark. Call (424) 541-1701 to schedule yours.
Serving Orange County, CA - Our Local Coverage Area
We’re based in the Orange County 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 Orange County
In most cases, yes. Anaheim requires a permit for window replacement even when the opening stays the same size, and the city verifies the unit’s pressure rating against its wind zone map. We pull the permit for you, schedule the inspection, and handle the paperwork as part of the job. Call (424) 541-1701 and we’ll check your address against Anaheim’s current code before you order anything.
Usually yes, but it depends on how much UV fading the original frame has seen. CGI’s older anodized bronze finishes wear unevenly on south-facing walls. We can order a factory-matched finish or, when the original has faded beyond a reasonable match, we’ll talk through whether replacing the full elevation makes more sense than living with a visible mismatch.
Morning fog condenses on the outer pane when overnight marine air cools the glass while indoor air stays warm. If the fog is on the outside surface, that’s normal coastal behavior. If it’s between the panes, the butyl seal has failed and the desiccant is saturated. That needs a reglaze, not a wipe-down. Call (424) 541-1701 and we’ll tell you which one you’re dealing with.
CGI’s impact-rated lines are engineered to exceed Miami-Dade requirements, which are stricter than what most Orange County foothill zones demand. The catch is the paperwork: each city verifies pressure ratings against its own wind map, and a unit certified for one zone doesn’t automatically clear in another. We pre-check your city’s code envelope before ordering so the inspection passes the first time.
Yes, and that’s often the better call when the frame is true and the glass is intact. We install OEM CGI crank operators because aftermarket gears don’t mesh with the factory spline profile. If the frame shows rot or the weep system is failing, we’ll tell you straight that replacement is the wiser spend. Call (424) 541-1701 for a free estimate and a written recommendation either way.
Service Areas Near Orange County
We run CGI service calls throughout Orange County service area, including CGI service in Irvine, CGI service in Fullerton, Newport Beach, Orange, and Costa Mesa. If you’re in a neighboring city, call and we’ll confirm coverage.
Book Your CGI Service in Orange County Today
Need CGI windows serviced, replaced, or installed in Orange County? We’ll give you a written price before any work starts. Call (424) 541-1701 to schedule your free estimate.
Written by Trevor Nash, Owner at Penhallow Remodeling Orange County, serving Orange County with written pricing and the 365-Day Done Right Promise.












