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 Topanga
Window replacement in Topanga runs $850 to $2,400 per opening for most homes we work on, with the canyon’s fire-zone requirements pushing material specs higher than what you’d pay in Woodland Hills or Calabasas. We know Topanga’s rhythm: the winding canyon roads, the permit office quirks, the way salt air and Santa Ana winds conspire against window frames that would last decades inland. Our crews are in Topanga every week, and we answer the phone live when you call (831) 508-3441.
Why Juniper Windows Woodland Hills Is Topanga’s Preferred Window Replacement Company
Sean Mackey has built our reputation on showing up when we say we will and locking a written price before a single screw turns. Topanga homeowners tell us the same thing: another contractor gave a vague estimate, then discovered “unexpected conditions” once the old window came out. That doesn’t happen with us. The price we give you in writing is the price you pay, covered by the 365-Day Done Right Promise.
The Relay Visibility Guarantee matters more in Topanga than almost anywhere else. You’re often not home when work happens, or you’re juggling canyon traffic to be there. We send a live arrival time you can track, before-and-after photos of every window, and a digital invoice you can pay from your phone. No phone tag, no wondering if the crew showed up.
Our technicians are background-checked, uniformed, and trained on WUI-compliant installation specifically because Topanga sits in a High Fire Hazard Severity Zone. We pull permits, we document Title 24 compliance, and we handle the paperwork your insurance company wants after the job. That’s not an add-on here. It’s the baseline.
Window Glass Replacement in Topanga
Window glass replacement in Topanga typically runs $350 to $700 per pane for standard dual-glazed units, and $550 to $1,100 for tempered, fire-rated glazing that the canyon’s WUI codes often require. We see cracked panes from wind-borne debris, fogged panes from seal failure after Topanga’s summer heat cycles, and impact damage from rocks kicked up on dirt driveways off Saddle Peak Road.
Fogged and Failed Seals
Topanga’s temperature swings from cool canyon mornings to 95-degree afternoons stress glass seals hard. When the desiccant inside the glazing unit saturates, you get that permanent haze between the panes. We replace the glass unit rather than the whole frame when the frame is still sound, which saves real money compared to a full window swap.
WUI-Compliant Glazing
If your home sits in the High Fire Hazard Severity Zone (most of Topanga does), glass replacement usually means tempered units that resist thermal shock and don’t shatter into long shards when exposed to flame. We spec fire-rated glazing assemblies that keep the embers out and keep your insurance carrier happy. The paperwork is part of the job.
Window Sash Replacement in Topanga
Window sash replacement in Topanga runs $400 to $1,100 per sash depending on material and whether you’re matching redwood, fiberglass, or aluminum. Salt air is the killer here. We pull sashes whose aluminum frames are pitted white with corrosion, their tracks so packed with canyon dust the window won’t budge. The sash is the moving part, and in Topanga, moving parts fail first.
Wood Sash Rehabilitation
Many Topanga homes are 1950s to 1970s post-and-beam builds with original redwood or cedar sashes that have warped in the UV. If the frame is still structurally sound, replacing the sash rather than the entire window keeps the original architecture intact and costs half as much. We’ll tell you honestly when a sash is too far gone to save.
Aluminum Sash Replacement
Older aluminum sashes near the coast corrode at the corners and seize in their tracks. We replace them with powder-coated or anodized units that handle salt air far better, and we set them with stainless hardware so you’re not doing this again in eight years. A corroded sash is also a fire-safety issue: gaps in a seizing frame let embers in during Santa Ana wind events.
Trusted Brands We Service in Topanga
We stock and service PGT, ViewLux, and CWS products for Topanga customers, and we can source from five additional lines including CGI, Therma-Tru, and ES Windows when the job calls for it. PGT impact-rated units are a frequent spec here because they handle both wind-borne debris and fire-zone requirements without compromising sightlines. ViewLux offers fiberglass-frame options that shrug off salt air. CWS gives us access to heavier architectural glazing for those custom redwood homes that want glass walls without giving up code compliance. Fast turnaround matters here, and we keep local inventory moving so you’re not waiting months for a sash or a glass unit.
Common Window Replacement Problems We See in Topanga Homes
- Corroded aluminum frames: Salt air off the Pacific pits untreated aluminum within a decade. Corners get white corrosion blooms, hardware seizes, and the frame can’t hold a seal. We replace with marine-grade finishes or fiberglass.
- Failed dual-glazed seals: Intense UV and 30-degree daily temperature swings in the canyon break down sealant faster than coastal fog alone. Fogged glass is the most common call we get from Saddle Peak and Old Canyon.
- Warped and rotted wood jambs: The 1950s through 1970s redwood frames were beautiful but improperly flashed for Topanga’s winter rains. Water gets behind the jamb, rot starts, and air leaks through the gap. The sash may still look fine while the frame is failing.
- Non-compliant original sliders: We still find 1970s aluminum sliding glass doors that were installed before WUI codes existed. The tracks are corroded and they leak air, but the bigger problem is they don’t meet current fire-safety and Title 24 standards. Replacement requires paperwork, and we handle it.
Pricing for Window Replacement in Topanga, CA
A full-frame replacement in Topanga runs $900 to $1,800 per window for standard sizes; inserts run $650 to $1,300. Add 15% to 25% for WUI-compliant tempered glazing and fiberglass or marine-grade frames. Vinyl windows are less expensive upfront at $500 to $900 per opening, but they don’t hold up to Topanga UV and salt the way fiberglass does. The cheap spec that works in Tarzana costs more than the coastal spec within a decade because you replace it twice. We’ll show you the line-item difference between an inland-spec window and the coastal-spec version, in writing, before you commit. Call (831) 508-3441 for a free estimate; we’ll come out, measure, and give you a fixed number.
We Also Serve Cities Near Topanga
Our crews run Window Replacement jobs throughout the Santa Monica Mountains: Topanga, Woodland Hills, Calabasas, Tarzana, and Pacific Palisades. If you’re in a neighboring canyon or on the ridge line, we’re already working your roads. Same written pricing, same 365-Day Done Right Promise.
Serving Topanga, CA - Our Local Coverage Area
We’re based in the Topanga 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 Topanga
Yes, in most of Topanga. The canyon sits in a High Fire Hazard Severity Zone, and current building codes require WUI-compliant, ember-resistant assemblies with tempered or fire-rated glazing. If your original windows predate the code, which most do, any replacement triggers the requirement. We document compliance for your permit and insurance carrier. Call (831) 508-3441 and we’ll confirm what applies to your specific parcel.
Ocean air corrodes untreated aluminum frames and hardware within 8 to 12 years in Topanga. Pitting, white corrosion, and seized sashes are the visible symptoms. The fix is fiberglass frames, anodized or powder-coated aluminum, and stainless steel hardware. The inland-spec version of the same window will fail twice as fast here.
Yes. Replacing a slider in Topanga typically requires Title 24 documentation and WUI compliance paperwork, and if your home has unpermitted additions (common in the canyon), the permit path gets more involved. We pull permits and handle the documentation, including the after-installation records your insurance company will want to see.
Expect to pay 15% to 25% more for a coastal-spec window: fiberglass or marine-grade aluminum frame, tempered fire-rated glazing, and stainless hardware. You can buy the inland-spec version for less. You’ll replace it inside a decade. The coastal spec is the cheaper purchase over the life of the home.
We can source wood-clad and fiberglass units that replicate the warm redwood sightlines of original Topanga post-and-beam homes. When matching existing architecture matters more than a price-per-opening, we’ll spec the right product line and show you samples before you commit. Call (831) 508-3441 to schedule a free measure.
On a Ridge Off Saddle Peak Road
Last fall, our crew replaced a 1970s sliding glass door on a ridge off Saddle Peak Road. The original aluminum track was so corroded by salt air and packed with canyon dust the sash could barely move. We set a dual-glazed, impact-rated PGT unit in a fiberglass frame, installed a stainless steel sill pan, and flashed it properly against winter rain. Then we documented the WUI compliance for the homeowner’s insurance carrier. That job is what Window Replacement means in Topanga: you solve the visible problem, and you solve the paperwork problem at the same time.
What Topanga Homeowners Should Know Before They Buy
Topanga’s Window Replacement projects are uniquely governed by its location in a California High Fire Hazard Severity Zone, where WUI-compliant, ember-resistant assemblies with tempered, fire-rated glazing are often required by code, forcing material choices that inland neighbors never face. That’s the starting point for every conversation we have here. Then salt air, canyon dust, and UV add their own demands. The window that works on a Tarzana tract home will not survive what Topanga throws at it. This page tells you exactly which materials survive salt air, canyon dust, and fire-zone codes, and which ones you’ll regret buying, based on what our crews see in failed installs here every week.
Call Juniper Windows Woodland Hills for a Free Topanga Estimate
We’re a windows-and-doors specialist inside the Relay Home Co. family, founded in 2001 and led by Sean Mackey. Every Topanga job gets a written price before work starts, a live arrival time you can track, photo updates, and a digital invoice. If something’s not right after installation, the 365-Day Done Right Promise covers parts and labor for a full year, in writing. Call (831) 508-3441 to schedule your free estimate. A real person answers.
Written by Sean Mackey, Owner at Juniper Windows Woodland Hills, serving Topanga and the Santa Monica Mountains.
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.