Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Fast, Reliable Window Replacement Across Shadow Hills
Window replacement in Shadow Hills runs $850-$2,800 per opening for most homes, with full-frame work on custom ranch houses typically landing between $1,400 and $3,200 per window. That’s the honest range we quote, and it reflects something most window crews don’t want to talk about: Shadow Hills is not a standard suburban job. You’re inside a Very High Fire Hazard Severity Zone, your house was likely built at odd angles on a hillside lot, and your rough openings probably aren’t square after sixty years of Santa Ana wind. We know this because we work here. Call us at (888) 635-0804 and we’ll scope your windows the way Shadow Hills actually requires.
Why TruePane Windows & Doors Is Shadow Hills’s Preferred Window Replacement Company
We’re not the cheapest window outfit in Shadow Hills, and we won’t pretend to be. What we are is the company that shows up knowing the difference between a Chapter 7A-compliant install and one that fails plan check two weeks after the permit gets pulled. That matters out here. Shadow Hills sits squarely inside the City of Los Angeles’s Very High Fire Hazard Severity Zone, which means every permitted window replacement has to meet California Building Code Chapter 7A: dual-pane tempered glass, ignition-resistant or non-combustible framing, ember-resistant construction details. A crew that doesn’t know that will sell you windows that won’t pass inspection. We’ve been fixing those mistakes for neighbors along Wheatland Avenue, near Sunland Boulevard, and up against the Verdugo Hills for long enough that plan checkers know our name.
Our Window Replacement team has done hundreds of openings in Shadow Hills since Dale Kessler founded this company on a glazier’s rule: if the pane is not true, the job is not done. That’s why we register both manufacturer warranty layers in writing before our truck leaves your driveway. We call it The Keystone Standard. You get the manufacturer’s coverage, the duration in writing, and our Done Right Promise on top of it. No arguing. If it’s not right, we make it right.
And when you call (888) 635-0804, a live person answers. Not a voicemail tree. Not a regional call center. That’s true at 2 p.m. and 2 a.m., every day of the week.
Our Window Replacement Services in Shadow Hills
Full Frame Replacement
Most Shadow Hills homes need full-frame replacement, not inserts. Your ranch was built in the 1950s, 60s, or 70s, and those original single-pane aluminum sliders have been flexing in Santa Ana wind for decades. The frames are tired. When we pull a full frame, we get down to the rough opening, fix what’s out of square, flash it properly, and set a window that will actually seal. On acreage lots here, that often means custom-order units because Shadow Hills wasn’t built as a tract. Odd openings are the rule, not the exception. Prices for full-frame work in Shadow Hills run $1,400-$3,200 per window depending on size, framing condition, and whether you need tempered glass for Chapter 7A compliance.

Energy-Efficient Upgrade
Hillside homes in Shadow Hills bake in summer. Your west-facing windows get pounded by valley heat that climbs the slope and sits there. Dual-pane low-E glass with a good SHGC rating will cut that load measurably, and in this climate, we typically recommend it over triple-pane, which adds cost without adding much benefit in our dry heat. A whole-house energy-efficient upgrade on a 1,800-square-foot Shadow Hills ranch usually lands between $9,000 and $22,000. If you’re doing it under permit, the Title 24 paperwork comes with the job and we file it.

Storm Window Replacement
Shadow Hills gets wind that the valley floor never feels. Sustained gusts funnel through the mountain gaps northeast of here and push 50, 60 miles per hour against your window frames, and when rain comes with it, undersized flashing and weak caulk fail at the jambs. Storm window replacement out here is less about retrofitting old sashes and more about making sure the opening itself is sealed and square. We use heavier flashing tape than a stock job calls for, because a Shadow Hills jamb that leaks during a Santa Ana-driven storm rots fast on an unpermitted install. Storm-rated units for this corridor run $950-$2,600 per window.

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 Shadow Hills
We’re an authorized installer for more than a dozen manufacturer lines, and we keep the conversation honest by quoting them side by side on paper so you see exactly what you’re buying. We install a lot of PGT and CGI in Shadow Hills because their impact and wind-rated lines suit the exposure up here, especially on western and northern elevations where the gusts hit hardest. We also work with Ply Gem for homeowners who want solid mid-range performance without paying for coastal-grade impact ratings they don’t need. Parts for these lines are stocked locally, which saves Shadow Hills customers days of turnaround when a sash or balance needs replacing.
Common Window Replacement Problems We See in Shadow Hills Homes
- Chapter 7A plan check failures. A contractor pulls a standard residential window permit, lists standard glass and framing, and the City of Los Angeles kicks it back. That reorder costs two to four weeks on a job that should’ve been scoped right from the first day. We specify compliant glazing and framing on the plan the first time.
- Fogged single-pane aluminum sliders. Those original 1960s units lost their seals years ago. On a ranch off Wheatland Avenue, our crew pulled a row of fogged sliders with rough openings 3/4 inch out of square. We ordered custom ViewLux casements with low-E glass and fusion-welded frames, flashed the jambs with tape, and the inspector signed off first pass.
- Wind-stressed frame anchors and weatherstripping. The Santa Ana funnel through the Verdugo Hills works window frames harder than almost anywhere else in the Valley. We see anchors pulled loose and weatherstripping compressed flat in a single season. Our installs use heavier anchoring than a stock job calls for.
- Well and septic setbacks. On Shadow Hills acreage, equipment staging can’t just happen in the driveway. A boom lift parked over a leach field will crush it. We locate wells and septic lines before we set up, and we flag them in the scope so you’re not paying for a cracked septic tank repair on top of your window job.
Pricing for Window Replacement in Shadow Hills, CA
Here’s what we tell every Shadow Hills homeowner at the quote table. Inserts run $850-$1,800 per window. Full-frame replacement runs $1,400-$3,200. Energy-efficient upgrades across a whole house usually land between $9,000 and $22,000, and storm-rated units for the windier exposures run $950-$2,600 per opening. What moves the price: window size, whether the opening is square, whether you need tempered dual-pane for Chapter 7A, and whether your lot has access constraints that require hand-carrying units instead of setting them from a ladder. We scope all of that before we quote, because a written line-item price you can plan around is a square deal. Call (888) 635-0804 for a free estimate. You’ll get numbers on paper, not a range we walk back later.
We Also Serve Cities Near Shadow Hills
While this page is about Shadow Hills, our crews regularly work in Parkway, Arden-Arcade, Ladera Heights, and Commerce. If you’re on the edge of Shadow Hills and want to confirm coverage for your street, call (888) 635-0804 and a live person will tell you straight.
Serving Shadow Hills, CA - Our Local Coverage Area
We’re based in the Shadow Hills 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 Replacement in Shadow Hills
Yes, most window replacements in Shadow Hills require a permit, and because you’re inside a City of Los Angeles Very High Fire Hazard Severity Zone, the permit triggers Chapter 7A review. That means the glazing, framing, and installation details must meet wildfire-hardening standards. Swapping glass in an existing sash sometimes falls outside permit scope, but any full-frame or new-opening work goes through plan check. We pull the permit, file the Title 24 and Chapter 7A documentation, and meet the inspector on site. Call (888) 635-0804 and we’ll tell you whether your specific project needs a permit before you spend a dollar.
You’ll likely need custom windows. Most 1960s Shadow Hills ranches are non-tract, custom-built homes, and the rough openings were framed at whatever the original builder felt like framing. We measure every opening twice, and when we find off-square or non-standard dimensions, as we did on a Wheatland Avenue job where the openings were 3/4 inch out of square, we order custom units rather than trying to force a standard size with oversized shims and caulk. Custom-order windows in Shadow Hills add about two to four weeks of lead time and typically run 15-25% more than stock units. We’ll quote it honestly on paper.
It means you should choose a window rated for sustained wind exposure, not just valley-floor conditions. Shadow Hills sits at the northeastern edge of the San Fernando Valley where Santa Ana winds funnel and accelerate through mountain gaps, so your window frames and anchors take more stress than a house in Burbank or North Hollywood. We recommend PGT or CGI wind-rated lines on western and northern exposures, and we use heavier flashing and anchoring across the board. The cost difference is real, but so is the difference between a window that holds square and one that binds in July because the frame deflected. Call (888) 635-0804 for exact pricing on wind-rated units for your specific lot.
If the fog is between the panes, the seal has failed and the argon or air fill is gone. You can sometimes replace just the insulated glass unit (IGU) if the frame is still square and functional, and that runs $350-$850 per sash in Shadow Hills. But on older original aluminum sliders from the 1960s and 70s, the frames are usually worn past the point where a new IGU makes sense. Warped tracks, failed balances, and wind-stretched anchors mean you’ll spend more keeping a tired frame alive than you’d spend on a proper replacement. We’ll tell you which way to go, and we’ll show you the numbers for both options side by side.
Yes, it will, and the effect is stronger on a hillside Shadow Hills lot than it is on the valley floor. Your western exposures catch full afternoon sun as it climbs the slope, and older single-pane aluminum windows conduct heat straight into the house. Dual-pane low-E glass with a low solar heat gain coefficient typically cuts solar heat gain by 30-50% on those exposures, which translates to lower air-conditioning run times from June through October. A full-house upgrade on an 1,800-square-foot Shadow Hills ranch usually pays for itself in seven to twelve years in energy savings, before you factor in the comfort difference and the resale value of compliant, modern windows. Call (888) 635-0804 for a free estimate and we’ll walk your house with a glass-to-glass comparison.
Ready to talk windows? Call TruePane Windows & Doors at (888) 635-0804. A live person answers 24/7, we’ll scope your Shadow Hills property the way it deserves to be scoped, and your estimate is free, written, and line-itemed. If the pane is not true, the job is not done.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving Shadow Hills and surrounding communities.



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