Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Installation Across Canoga Park
Window installation in Canoga Park runs into one issue more than anywhere else in the Valley: out-of-square rough openings left behind by the 1994 Northridge earthquake. We’ve spent years opening walls on 1950s and 1960s stucco ranches between Topanga Canyon Boulevard and De Soto, and we know what’s waiting behind the old aluminum sliders. If you want a straight answer on pricing, timing, and what a permit will actually require, call (888) 635-0804. We’ll walk the job with you before we write a number.
Our Window Installation team serves homeowners across 91303 who are done with drafts, fogged glass, and windows that bind in July. What we’ve learned working Canoga Park homes for years is that this neighborhood’s windows fail differently than the rest of the Valley. The heat is one part. The earthquake is the other. We build every estimate around both.
Why TruePane Windows & Doors Is Canoga Park’s Preferred Window Installation Company
Homeowners in Canoga Park tend to be skeptical of contractors. They have a right to be. A lot of post-quake work in this area was done fast, cheap, and without the kind of framing correction the job actually needed. We hear about old repairs gone wrong on nearly every estimate we walk near Lanark Park, along Sherman Way, and up in the neighborhoods off Roscoe Boulevard.
TruePane was founded by second-generation glazier Dale Kessler on a simple rule: if the pane is not true, the job is not done. That founding rule is the only reason we exist. When a Canoga Park homeowner tells us a previous crew said the window “fit,” we already know the rough opening probably told a different story. Our technicians measure every opening twice, check for square before ordering anything, and quote manufacturer lines side by side on paper so you see exactly what you’re buying.
Every TruePane job is covered by the Done Right Promise and The Keystone Standard: both manufacturer warranty layers registered in writing, durations stated, before our truck leaves your driveway. We hire local, train apprentices into journeymen, and act like a company that plans to be in Canoga Park in thirty years. A live person answers our phone 24 hours a day, 7 days a week. No voicemail tree. No regional call center. You call (888) 635-0804 and you talk to someone who can actually help.
Our Window Installation Services in Canoga Park
Sliding Windows
Original aluminum sliders are the single most common window we remove in Canoga Park. These units were installed during the San Fernando Valley tract-home boom, and after forty or fifty years of Valley heat, the frames have corroded and warped to the point where inserts won’t seal. We specialize in full-frame tear-outs that replace the entire unit, flashing and all, so the new slider seats cleanly and stays square even when the surrounding stucco has shifted. Expect a full-frame slider replacement in Canoga Park to run $600 to $1,200 per window depending on size and glass package.

Fixed & Picture Windows
Fixed and picture windows are where post-quake framing problems show up fastest. A picture window has no operable sash to absorb a slightly off opening, so any parallelogram shape in the rough framing translates directly to stress on the glass and gaps at the perimeter. Before we order a fixed unit for a Canoga Park home, we check the rough opening for square with a laser. If it’s off, we correct the framing before installation, not after you’ve already paid for glass. Fixed units in Canoga Park typically run $400 to $900 installed.

Casement Windows
Casement windows catch every breeze that comes down from the Santa Susana foothills, but only if the frames are square. A casement that’s even 1/4 inch out of alignment will sag at the hinge side and eventually fail to close flush. In Canoga Park’s older ranch homes, we regularly find casement openings that drifted during Northridge and were never corrected. We true up the opening, install the new crank sash, and balance the hinges so it opens with two fingers. Casement replacements in 91303 generally land between $550 and $1,050 per window.

Single & Double Hung
Double-hung windows are common in Canoga Park’s older two-story homes near Platt Village and the commercial stretch along Victory Boulevard. These units get a lot of summer use when the Valley heat pushes past 100 and homeowners want both sashes open for cross-ventilation. The catch: older double-hungs in this area often have worn spiral balances and cracked sash frames. We rebuild the opening, install new balances, and seat the new unit with insulation all the way around. Expect $500 to $950 per opening for a quality double-hung replacement in Canoga Park.

What happens when you call
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A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Canoga Park
TruePane is an authorized installer for more than a dozen manufacturer lines, including, PGT, CGI, and ES Windows. For Canoga Park homeowners, that matters because our relationship with these manufacturers means warranty registration happens the same day the window goes in, and parts don’t sit on a shipping truck for two weeks. We also quote manufacturer lines side by side on paper, so you can compare a Milgard low-E argon slider against a PGT impact unit and see the price difference before you commit. If you have an existing brand in mind, we’ll tell you straight whether it’s the right fit for a 1960s stucco ranch in this zip code.
Common Window Installation Problems We See in Canoga Park Homes
- Parallelogram-shaped rough openings from the 1994 earthquake. Post-quake shimming looked fine from the outside but left the structural opening a quarter-inch or more out of square. A new window ordered to the old face dimensions binds, gaps, or cracks within the first year. We check square before we order.
- Corroded original aluminum frames from decades of Valley heat. Canoga Park’s summer highs regularly exceed 100°F and run 10 to 15 degrees above coastal LA. That sustained thermal stress warps old aluminum sliders to the point where insert replacements can’t seal. Full-frame tear-outs are the standard fix here.
- Fogged dual-pane units from failed seals. The same heat cycling that warps frames also kills the seals on older insulated glass. When you see condensation between the panes, the argon is gone and the insulating value is finished. We replace the whole unit, not just the glass, so the failure doesn’t repeat.
- Permit-triggering discoveries hidden behind old siding. When a Canoga Park home has had decades of unpermitted repairs, opening a wall often reveals failed waterproofing or undersized headers. We write allowances into the contract before work starts, so when the inspector requires a framing upgrade, you already know the number.
Pricing for Window Installation in Canoga Park, CA
Most window installation in Canoga Park falls between $400 and $1,200 per window depending on size, glass package, and whether the opening needs framing correction. Full-frame tear-outs on original 1950s and 1960s aluminum sliders start around $600. A typical three-bedroom ranch with eight to ten windows will land somewhere between $4,800 and $11,000 before any structural corrections. Title 24 compliance, which is mandatory on permitted replacements in California, typically adds $150 to $400 per window for low-SHGC glazing packages. We quote every job on paper before work starts, with allowances written in for the framing corrections this neighborhood’s houses so often need. Call (888) 635-0804 for a free estimate.
We Also Serve Cities Near Canoga Park
TruePane installs windows across the western San Fernando Valley, including West Hills, Woodland Hills, Northridge, and Chatsworth. If you’re a few blocks outside Canoga Park, we’re a short drive away. Our Window Installation in Canoga Park team works the same neighborhoods, understands the same housing stock, and brings the same Keystone Standard to every job, no matter which side of the city line it’s on.
Serving Canoga Park, CA - Our Local Coverage Area
We’re based in the Canoga Park 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 - Window Installation in Canoga Park
We check every rough opening for square with a laser before we order any window. When we find a parallelogram-shaped opening, which happens more often in Canoga Park than almost anywhere else in LA, we correct the framing first. That means cutting back stucco, re-shimming or reframing the header and jambs, and then ordering the window to the corrected dimensions. The correction adds to the labor, but skipping it is why so many post-quake “repairs” failed within a year. We write this allowance into the contract before we start. Call (888) 635-0804 and we’ll walk your openings with you.
Yes, any permitted window replacement in California triggers Title 24 energy requirements, and Canoga Park’s western Valley heat makes this a functional necessity, not just a code box to check. Your new windows will need low-SHGC glazing to control solar heat gain, which means low-E coatings and, in most cases, argon fill. The good news is those are the same glazing packages that cut your cooling bills in a neighborhood where summer highs exceed 100°F on a regular basis. Expect $150 to $400 per window in glazing upgrades. We quote it upfront and pull the permits ourselves.
Fog between the panes means the insulated glass unit has lost its seal and the argon or krypton fill has leaked out. In Canoga Park, this happens most often when an insert replacement was attempted into a corroded original aluminum frame, or when a new unit was forced into an out-of-square rough opening and the stress cracked the seal. The fix is a full replacement of the insulated glass unit, and likely the frame too if it’s the original. We register both warranty layers in writing so when a seal fails early, you’re covered. Call (888) 635-0804 for an inspection.
We find them more often than homeowners expect. Canoga Park’s ranch homes have been through decades of additions, unpermitted repairs, and post-earthquake patching. When we open a wall around a window, we occasionally uncover wiring that was rerouted through the framing without proper protection, or plumbing vent lines that run closer to the rough opening than code allows. If we find something that affects the job, we stop, photograph it, and give you a written change order with a fixed price before we touch it. No surprise line items on the final bill.
It’s not overkill. Canoga Park sits adjacent to the Northridge epicenter, and while impact glass is designed for windborne debris rather than seismic movement, it adds structural rigidity to the window assembly that older wood-frame homes often lack. The heavier laminated glass and sturdier frames also seal better against drafts in a neighborhood that gets punishing summer heat. CGI and PGT both make impact product lines we install regularly in 91303. The upgrade adds $250 to $500 per window depending on size. Call (888) 635-0804 and we’ll quote the difference on paper.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Canoga Park since our founding through years of community-rooted craft.



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