Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Windows & Doors Services in West Hills, CA
Window and door work in West Hills, CA falls into two broad camps: keeping an aging mid-century ranch house comfortable and draft-free, and bringing it into compliance with the fire-hardening rules that govern this hillside community. TruePane handles both. We install, replace, and repair windows and doors across the 91307 zip code, from standard sliders on flatland Valley streets to SFM-listed assemblies on the northern hillside lots. A live person answers our phone around the clock at (888) 635-0804, and every quote we write includes both warranty layers stated in writing before any work starts.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Why West Hills Homeowners Choose TruePane Windows & Doors
Homeowners in West Hills tend to have been in their houses for twenty or thirty years. They have watched the neighborhood change, watched the fire seasons get worse, and watched their original aluminum windows slowly give up. When they call us, they usually have a specific problem: a slider that no longer seals against the Santa Ana wind, a patio door that binds in August, or a permit letter from the city asking whether their new windows meet Chapter 7A requirements. We answer those questions directly, quote the right product the first time, and stand behind the work with a Done Right Promise that means what it says.
We serve the full span of West Hills in the 91307 zip code, from the ranch-house streets north of Victory Boulevard up through the hillside streets near Knapp Ranch Park and the neighborhoods off Roscoe Boulevard toward the Santa Susana foothills. Our technicians are background-checked and uniformed, and they measure every opening twice before any product gets ordered. If a crown is out of square, we tell you on the spot, not after the install fails.
The Keystone Standard is our baseline on every job: both manufacturer warranty layers get registered in writing, durations stated, before the truck leaves your driveway. No fine print that covers neither the glass nor the frame. We are an authorized installer for more than a dozen manufacturer lines, including, PGT, and CGI. When a product’s warranty matters, the installer’s standing with the manufacturer decides whether a future claim gets honored. We built that standing years of community-rooted service.
Windows & Doors Services We Offer in West Hills
Window Installation
New window installation in West Hills means measuring for the home’s actual framing, not the rough opening on an old permit card. We shim, level, and flash every unit to drain properly against wind-driven rain off the Santa Susana foothills.
Learn more about our window installation services in West Hills.

Door Installation
Entry doors and patio doors in West Hills take a beating from the wind that funnels down the Santa Susana Pass. We set doors with threshold sealing and weatherstripping that stays tight through the fall wind season.
Learn more about our door installation services in West Hills.

Window Replacement
Most West Hills ranch homes still carry original single-pane aluminum from the 1960s and 70s. Replacing those with insulated, low-E glass changes the house’s summer cooling load and the winter draft pattern noticeably.
Learn more about our window replacement services in West Hills.

Impact Windows & Doors
Impact Windows & Doors in West Hills serve double duty: they harden a home against ember intrusion during wind-driven fire events, and they meet the Chapter 7A documentation standard the city reviews when permits are pulled in the Very High Fire Hazard Severity Zone.
Learn more about our impact windows and doors in West Hills.

Energy-Efficient Windows
Summer highs over 100°F in the west Valley push older single-pane frames through aggressive expansion-and-contraction cycles every afternoon. Energy-Efficient Windows in West Hills with low solar heat gain coefficient glazing cuts that thermal loading and slows the cycle damage.
Learn more about our energy-efficient window options in West Hills.

Sliding & Patio Doors
Sliding & Patio Doors in West Hills from original tract builds with aluminum frames are the weak point in most homes. We replace them with multi-point locking, thermally broken frames and rollers sized for decades of daily use.
Learn more about our sliding and patio door services in West Hills.

Glass Railing Systems
Several hillside lots above Roscoe Boulevard use Glass Railing Systems in West Hills on decks and balconies with long views toward the Valley. We specify, source, and install framed or frameless systems that meet California guardrail loading requirements.
Learn more about our glass railing systems in West Hills.

Custom Windows & Doors
Some of the larger 1980s and 90s custom homes in the northern streets have oversized openings that no stock unit will fill properly. We work with manufacturers like CGI, CWS, and ES Windows to build openings to the opening, not the other way around.
Learn more about our custom windows and doors in West Hills.

Neighborhoods We Serve in West Hills
We work throughout West Hills, and our crews know the streets well enough to anticipate what the permit counter will ask before the first measurement. Typical response for a free estimate runs within one to two business days across the area.
- Streets north of Victory Boulevard - classic 1960s ranch runs, many still on original aluminum sliders
- Neighborhoods around Knapp Ranch Park - mid-century tract homes with wider back patios and older patio-door swings
- Off Roscoe Boulevard toward the foothills - the VHFHSZ-adjacent streets where fire-rated glazing documentation is standard
- The hillside custom lots near the Santa Susana foothills - larger 1980s and 90s openings requiring SFM-listed assemblies
- The quiet streets east of Valley Circle Boulevard - mix of original ranch homes and newer remodels
Why West Hills’s Climate & Housing Affect Windows & Doors
West Hills sits directly below the Santa Susana foothills in a confirmed Very High Fire Hazard Severity Zone. That is not a footnote on a permit form here; it is the organizing fact for most window and door work in the 91307 zip code. The November 2018 Woolsey Fire damaged a significant share of this community, and many rebuilds since then have had to meet California Building Code Chapter 7A for fire-resistant glazing and door assemblies. Contractors working the northern streets near the hills learn fast that a window or door permit triggers a VHFHSZ compliance review, and if a non-rated product was already ordered, the whole timeline collapses. We specify the compliant assembly before the quote goes out, not after the city flags it.
The weather compounds the problem. The Santa Susana Pass funnels Santa Ana and Diablo wind events directly into West Hills with an intensity most Valley neighborhoods never feel. Weatherstripping fails sooner, aluminum frames warp faster, and window seals crack under wind-driven pressure that eastern Valley homes simply do not experience. Add summer interior highs that routinely exceed 100°F, and the thermal expansion cycles in original single-pane aluminum become relentless. A window that was marginal in May is visibly failing by September. That is why we lean toward thermally broken frames and multi-point locking hardware on almost every West Hills quote.
Pricing for Windows & Doors in West Hills
What follows are honest, useful ranges for West Hills work based on the houses we regularly serve. Written, line-item quotes are always free, and the price we quote is the price on the bill.
- Window replacement (mid-range vinyl or aluminum, standard sizes): $450-$1,100 per window installed, depending on opening condition and Chapter 7A requirements
- Impact-rated window replacement (SFM-listed assemblies): $900-$2,200 per window installed
- Sliding patio door replacement (6-foot standard): $1,400-$3,400 installed, higher for fire-rated or impact configurations
- Entry door replacement (steel or fiberglass, pre-hung): $1,600-$4,200 installed
- Custom or oversized window or door work: quoted per opening after measurement, typically $2,500 and up
- Seasonal tune-up (clean tracks, adjust rollers, replace weatherstripping, re-align strike plates): $89 per opening
- Repairs over $250: $50 off
Seniors and veterans always receive a 5% discount, permanently. No expiration, no coupon needed. Just ask.
Service Area - Cities Near West Hills
TruePane crews regularly serve neighbors in Canoga Park, Woodland Hills, Calabasas, and Chatsworth. Scheduling and dispatch are coordinated from the Los Angeles office, with local crews serving West Hills directly.
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 Windows & Doors in West Hills
A standard window replacement in West Hills typically costs between $450 and $1,100 per window installed. If your home is in the Very High Fire Hazard Severity Zone and the city requires Chapter 7A-compliant impact-rated or fire-resistant assemblies, expect a range of $900 to $2,200 per window instead. The permit review itself often dictates which range you land in. Call (888) 635-0804 for a written line-item quote on your specific openings, and ask about the permanent 5% discount for seniors and veterans.
No. TruePane writes fixed line-item quotes and we do not issue change orders for conditions a competent pre-measurement should have caught. In West Hills, that pre-measurement includes checking the opening framing, the existing flashing condition, and the Chapter 7A documentation status of any product we are quoting. If we find something unexpected after opening a wall, we stop, show you the condition, and agree on a number before continuing. Call (888) 635-0804 to get a quote in writing.
Yes, and in this community the permit step is where out-of-area installers get exposed. The city’s VHFHSZ review requires documentation of SFM-listed fire-resistant assemblies for most replacement work in the northern hillside streets. We prepare that documentation before we order product. Flatland neighbors outside the fire zone may not face the same review, but we still pull permits wherever the work requires them and see the inspection through to sign-off. Estimates are free; the permit work is part of the job when we do it.
Sometimes. A fogged panel is a failed seal, which means a new insulated glass unit, not a whole new window, as long as the frame is sound and the product line still supports replacement glass. In West Hills, we see a lot of fogging failures accelerate after a strong Santa Ana season because the wind pressure flexes old aluminum frames and stresses the edge seals. The fix depends on the specific window, and we will tell you honestly whether a glass pack replacement makes sense or the frame is too tired. Call (888) 635-0804 and describe the window; a live person answers 24 hours a day.
The barrier is documentation, not the glass itself. The State Fire Marshal maintains a listing of fire-resistant window and door assemblies, and your permit reviewer checks your order against that listing. If you ordered a non-listed product before pulling the permit, the city will not sign off. That is the mistake we see from contractors who do most of their work in flatland Valley neighborhoods to the east. We quote listed assemblies from manufacturers like CGI and CWS for fire-zone work and register the compliance paperwork before the order leaves our office.
Free Estimates for Windows & Doors in West Hills
If you are a West Hills homeowner weighing window or door work, start with a free written estimate. We measure every opening twice, quote products side by side on paper, and register both warranty layers in writing before any work begins. If the pane is not true, the job is not done. Call (888) 635-0804 and a live person will answer.
Written by Dale Kessler, Owner at TruePane Windows & Doors, serving West Hills, CA.
What happens when you call
- 1A real person answersNo phone trees - talk to a local windows & doors pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3We come out and measureLicensed & insured, at a time that suits you - the visit and the quote are both free.
- 4You get the price in writingLine-itemed, yours to keep, and nothing starts until you say go.
What West Hills Customers Say
"Eleven windows replaced in two days. The crew chief, Marcus, showed me the level on every single frame before they caulked it. My wife noticed the street noise was gone before I did."
- Ronald P."A casement crank had stripped and the sash was swollen shut. The technician, Ray, fixed the crank on the spot and only then talked about replacement for the three windows that were genuinely done. That is why the whole street uses them now."
- Eleanor G."French doors to the patio, custom size because this house was built in 1961 and nothing is standard. Measured twice, three weeks to fabricate like they warned, and the install day they laid runners over my floors without being asked."
- Marie S.



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