New windows and doors improve comfort, cut energy bills and add long-term value to your home. Juniper Windows Woodland Hills pairs proven product lines with our own installing crews for lasting performance - and a price we put in writing.
Choose your installer
The unit is half the job - the install is the other half. Our own background-checked crews measure, set, seal and insulate every opening, and they know the lines we quote inside and out because they install them every week.
Select the right products
Compare styles, materials and glass packages side by side until the fit is right for your rooms, your budget and your goals. The product-line comparison below is the place to start.
Prepare your home for install
Before install day we walk you through a short checklist - furniture pulled back, treatments down, a clear path to each opening - so install day is watch-it-happen, not scramble.
Compare the Lines We Quote
Every project is priced on the same lines, side by side - the price indicators below are relative, and your consultant shows exact numbers on your actual openings.
PGTThe line homeowners arrive naming - the most impact certifications in the industry$$$
- More impact certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe value pick$$
- Vinyl systems built to strict wind codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Factory-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
Fast, Reliable Window Replacement Across West Hills
Window replacement in West Hills runs $650 – $1,850 per window for most vinyl retrofit inserts, and $1,200 – $3,400 per opening when a full-frame swap is needed. That’s the real range we quote on this side of the Valley, where ranch homes from the 1950s and 60s carry original single panes and thin aluminum sliders that leak heat all summer. Juniper Windows Woodland Hills serves West Hills directly from our Los Angeles metro office, with background-checked techs who know exactly what a 50-year-old tract frame does when you pull the old sash. Call (831) 508-3441 and you’ll get a live person, a written price, and a window crew that shows up when we say we will.
Why Juniper Windows Woodland Hills Is West Hills’s Preferred Window Replacement Company
West Hills homeowners deal with a specific set of problems: original wood frames that have baked in triple-digit heat, aluminum sliders that stick after decades of southern exposure, and a county permitting process that catches most contractors off guard. We’ve worked enough homes from Sherman Way up to the hills off Roscoe Boulevard to know which openings will trigger an LA County grading review and which won’t.
Being part of the Relay Home Co. family means every West Hills project runs on The Relay Standard: you book, you get a live arrival time you can track, we send before-and-after photos, and the invoice lands in your inbox. The 365-Day Done Right Promise is in writing on every job. If something’s not right after installation, we fix it. Parts and labor, 365 days. Sean Mackey runs the operation with a simple rule: no vague quotes, no surprise change orders. The price we hand you before work starts is the price on the final invoice.
Energy Efficient Windows in West Hills
Energy efficient windows in West Hills aren’t a luxury upgrade. When summer temperatures push past 100°F for weeks on end, the difference between a U-factor of 0.48 and 0.25 shows up directly on your LADWP bill. On older West Hills ranch homes, we typically see heat gain driven by the original single-pane sliders and picture windows that dominate south-facing living rooms. A typical energy-efficient retrofit in West Hills runs $850 – $1,650 per window, depending on glass package and frame material.
Hillside Lots and Solar Orientation
On the south slope of the Santa Susana foothills, direct sun beats on glass from late morning until sunset. We spec low-E coatings and impact-rated PGT or ViewLux glazing for those exposures. The right glass cuts solar heat gain without turning the room into a cave.
What We Mean by “Energy Efficient” Here
It’s U-factor and solar heat gain coefficient, but it’s also the air infiltration number. Old aluminum sliders in West Hills leak 0.3 to 0.5 cubic feet per minute per square foot. A modern vinyl insert drops that to 0.1 or below. That’s less dust, less wind noise, and less heat bleeding out through December nights.
Window Repair in West Hills
Window repair in West Hills usually means fixing what Santa Ana winds and valley sun have slowly destroyed: warped tracks on aluminum sliders, broken balance springs in double-hung windows, failed seals that leave fog between the panes, and rotted wood frames around 1950s picture windows. Common repairs run $150 – $450 per window, while a full track replacement on a vintage slider can hit $500 – $700 if the frame is still sound.
Saving the Original Frame
If the opening is square and the frame isn’t rotted, a repair plus a new sash or new glazing often does the job. We’ll tell you when that’s the right call instead of a replacement. Sean’s rule: if the repair buys you five more years, we say so.
When Repair Stops Being the Answer
Once the frame itself has twisted or the wall cavity shows water damage, repair is a false economy. We’ve opened up West Hills walls and found termite tracks and dry rot behind windows that looked fine from inside. At that point the fix is a full-frame replacement, not caulk and new hardware.
Trusted Brands We Service in West Hills
We stock and install ViewLux, PGT, and CWS product lines for West Hills homes. That means replacement glazing units for a broken PGT slider don’t sit on a truck for a week. We pull from local inventory and schedule the second visit within days, not months. For impact-rated openings on hillside lots like those off Highlander Road or near Knapp Ranch Park, we recommend PGT or CWS for their design pressure ratings and clean sightlines. If you’re on the valley floor near Platt Avenue, ViewLux vinyl products give you a sharp thermal break at a lower price per opening. Every brand we carry comes with a manufacturer warranty, and every installation carries our 365-Day Done Right Promise.
Common Window Replacement Problems We See in West Hills Homes
- South-facing aluminum sliders that won’t glide. Decades of direct afternoon heat on the back of a ranch home warps the track. We see it on nearly every original 1960s patio door in West Hills. Sometimes the fix is a new track and rollers; sometimes the frame needs to come out.
- Original single pane picture windows turning rooms into ovens. The big living room window that faces the Valley doesn’t have a shade that can beat July heat. Replacing it with low-E double glazing drops interior temperatures measurably.
- County permitting snags on window-to-door conversions. On hillside lots and unincorporated parcels, LA County Building & Safety reviews drainage before approving a larger opening. We’ve seen quotes stall for months because a contractor didn’t know the lot needed a grading check.
- Long driveways and hard access. Multi-acre West Hills properties mean the crew has to hand-carry glass units from the road. That’s a real cost item, and generic quotes ignore it until the day of the install.
Pricing for Window Replacement in West Hills, CA
Straight numbers, no “it depends” fog. Vinyl retrofit inserts run $650 – $1,850 per window in West Hills. Full-frame replacements run $1,200 – $3,400 per opening. Labor for a standard single-hung replacement is $200 – $350 per window. If your project involves a hillside lot with driveway access longer than 150 feet, add $200 – $400 per visit for material handling. County permit fees for window enlargements or door conversions typically land between $150 and $900 depending on the review path. We give you a written line-item quote before any work starts. Call (831) 508-3441 to schedule a free estimate.
We Also Serve Cities Near West Hills
Our crews work the whole west Valley. If you’re in Canoga Park, Woodland Hills, Winnetka, or Calabasas, we cover those neighborhoods too. You can read more about our full service area on the West Hills page, and our general approach to Window Replacement applies everywhere we work. Same written pricing, same 365-day promise.
Serving West Hills, CA - Our Local Coverage Area
We’re based in the West 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 About Window Replacement in West Hills
West Hills sits in unincorporated LA County, so window replacement falls under LA County Building & Safety, not the city of Los Angeles. If you’re swapping same-size windows, the permit is usually over-the-counter and simple. If you’re enlarging an opening or converting a window to a sliding door, the county reviews drainage sheet flow on hillside lots before approving. That review can add 2 – 4 weeks and $150 – $900 in fees. We’ve seen this surprise too many homeowners. We pull the permits ourselves and tell you upfront if your lot is going to trigger a grading check. Call (831) 508-3441 for an exact quote.
Yes, in many cases. If your property is on well and septic, and you’re replacing a window in a detached structure that sits near a leach field, LA County requires a record search before you enlarge an opening for egress. The county may also require a septic tank location survey if the records are old or missing. We coordinate this before we set any jamb anchors. Call (831) 508-3441 and we’ll check your property records.
Plan on $200 – $400 extra per visit for material handling and equipment access on driveways over 150 feet, especially unpaved ones. That covers hand-carrying double-hung units, insulated glass, and ladders past barns or workshops. If the driveway has drainage ruts or a steep grade, the cost can push higher. We scope this on the first visit and include it in the written quote. Call (831) 508-3441 to get a price that accounts for your lot.
After 40 to 60 years of direct valley sun, the aluminum track expands, oxidizes, and warps. Rollers grind into the groove, and the door stops gliding. If the frame is still anchored square and the wall cavity is dry, we can often replace the rollers and track for $300 – $500 and get the slider working again. If the frame itself has twisted or pulled from the header, replacement is the honest call. We’ll show you photos and tell you which one you’re looking at. Call (831) 508-3441 for a free assessment.
Yes, and you should. The same Santa Ana winds that hit your main house hit the barn. PGT and CWS impact-rated windows are tested for wind-borne debris, and they install the same way in a stud-framed workshop as in a ranch home. The permitting path may differ: a detached ADU or workshop on septic requires the same record check we mentioned above. We’ll handle it. Call (831) 508-3441 and mention the barn when you call.
Get a Written Price Before You Replace a Single Window
West Hills homes carry a legacy: original frames, outdated glazing, and a county permitting process that rewards contractors who know the local rules. We wrote this page because the biggest mistakes happen before the first window comes out. If you’re on acreage, call us before you settle on a plan. We’ll check the county records, walk the lot, and quote you a real number that includes every trip down the driveway. Phone is answered by a live person, 24/7. (831) 508-3441.
Written by Sean Mackey, Owner at Juniper Windows Woodland Hills, serving West Hills, CA.
Six Reasons Homeowners Choose Juniper Windows Woodland Hills
Laminated glass and reinforced frames hold up to wind-driven rain, hail and flying debris, so your openings stay sealed when the weather turns.
Low-E insulated impact glass from our manufacturer lines commonly cuts monthly cooling bills 20-30%.
Laminated impact glass shuts out up to 40% of outside noise - traffic, neighbors, weather.
Monitoring services run $30-90 a month. Laminated impact glass resists forced entry around the clock, with no subscription.
Tighter seals and insulated glass even out hot and cold rooms and stop the drafts at the frame.
A full impact package upgrades curb appeal, buyer confidence and appraised value in one project.