New windows and doors improve comfort, cut energy bills and add long-term value to your home. Juniper Windows Santa Clarita 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 Florida homeowners arrive naming - the most Miami-Dade certifications in the industry$$$
- More Miami-Dade NOA certifications than any other line we quote
- WinGuard, EnergyVue and ClassicVue Max systems built for every wind zone
- 99% on-time delivery keeps your install date on the calendar
CGIThe heavyweight impact line$$$$$
- Large-missile impact ratings for the strictest wind zones
- Architectural-grade aluminum with commercial-depth frames
- The line we quote when protection is the whole point
CWSThe Florida value pick$$
- Vinyl systems built in Florida for Florida codes
- Strong energy packages at the friendliest price point
- The smart start for whole-home replacements on a budget
ESWSlim lines, big glass$$$$
- Narrow-sightline aluminum for modern elevations
- Oversized openings and floor-to-ceiling glass
- Impact-rated without the bunker look
ECOThe aluminum impact workhorse$$$
- Miami-built aluminum impact systems
- A strong price-to-protection ratio for coastal homes
- Proven inventory lines with short lead times
Window Company in Northridge, CA
Windows and doors in Northridge work harder than almost anywhere else in the San Fernando Valley. The neighborhood sits low in the basin, which means it catches the full force of summer heat, and the post-1994 earthquake housing stock has specific quirks that show up the moment anyone starts removing an old aluminum slider. We’re Juniper Windows & Doors, part of the Relay Home Co. family, and we specialize in window replacement, window installation, and door replacement for Northridge homes. Our crews understand what hot-summer Mediterranean climate does to weatherstripping, frames, and glass over time, and we price every job in writing before anything gets ordered. Call (661) 523-0347 for a free estimate.
Why Northridge Homes Are Different
Northridge is a low-lying, densely populated neighborhood in the San Fernando Valley with a hot-summer Mediterranean climate. Summer temperatures routinely exceed 100°F, and Santa Ana winds push dry air through the area in fall and winter. That combination puts constant stress on window seals, door weatherstripping, and frame alignment. Homes here were mostly built between the 1950s and 1970s, mid-century ranch and stucco construction with original single-pane aluminum windows and sliding glass doors. After the 1994 Northridge earthquake, many homes got seismic retrofits and stricter code enforcement, but a lot of that work focused on foundations and shear walls rather than fenestration. The result is a mixed stock: some homes have dual-pane vinyl or fiberglass units, while others still run the original aluminum sliders that are now misaligned, leaky, and hard to operate because the ground shifted beneath them.
Energy performance is the other big factor. Intense solar gain through old single-pane glass drives cooling costs up all summer, which is why Low-E coatings and proper solar heat gain coefficient ratings matter so much on Northridge replacements. Winter rain and Santa Ana pressure swings also test how well a door or window keeps water out. These are not generic Southern California window problems; they are specific to how Northridge was built and how the land moved under it.
Our Main Northridge Services
Three services cover nearly every window and door project Northridge homeowners bring to us, each with its own dedicated page so you can get straight to the details that matter for your house.
Window Replacement in Northridge
Most Northridge replacement work starts with removing the original aluminum frames, which are often warped or misaligned from post-1994 seismic settling. We measure for dual-pane vinyl or fiberglass units that hit current Title 24 energy standards, then install them with the weatherstripping and flashing Northridge’s summer heat and winter rain demand. Impact-rated glass is a common request here, given the earthquake history and what wind-borne debris can do. Every replacement gets a written price before we order anything. See the full scope and local pricing on our Window Replacement in Northridge page.

Window Installation in Northridge
New construction, additions, and post-retrofit openings in Northridge need installation work that accounts for stucco exterior walls, seismic movement, and the valley’s temperature swings. We install windows across our product lines, including ES Windows and ECO Window Systems, with proper flashing and insulation so the rough opening stays dry and air-tight. The goal is a clean, square install that will not shift or leak when Santa Ana winds hit. Get the full walkthrough on our Window Installation in Northridge page.

Door Replacement in Northridge
Door replacement in Northridge often means pulling out an old sliding glass door that no longer rolls true because the house has settled. We replace it with a dual-pane slider or a hinged door that operates smoothly and seals tight against heat and rain. Entry doors get the same treatment: new frames, proper threshold support, and weatherstripping that holds up to 100°F summers. Read the specifics and pricing on our Door Replacement in Northridge page.

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.
Brands We Service in Northridge
We install and service three product lines Northridge homeowners ask for most often: CWS, ES Windows, and Mr-Glass. Parts for these brands are stocked locally through our Los Angeles office, which means turnaround on replacements and service visits stays short. See the full list on our brands page.
Pricing for Window Company in Northridge, CA
Here is what Northridge homeowners can expect to pay for the most common window and door jobs in this market. These are typical ranges, not quotes; your exact price depends on dimensions, glass options, frame material, and installation conditions.
| Service | Typical range in Northridge |
|---|---|
| Window replacement (single unit, dual-pane vinyl) | $450 – $1,100 |
| Window replacement (single unit, fiberglass) | $800 – $1,700 |
| Window installation (new opening, dual-pane vinyl) | $600 – $1,400 |
| Window installation (new opening, fiberglass) | $900 – $1,900 |
| Sliding glass door replacement | $1,400 – $3,200 |
| Entry door replacement (steel or fiberglass) | $900 – $2,400 |
| French or hinged patio door replacement | $1,600 – $3,500 |
| Seismic retrofit hardware on existing window or door | $250 – $700 |
| Weatherstripping and seal replacement | $150 – $500 |
| Low-E glass upgrade on replacement unit | $150 – $400 per window |
What pushes price up in Northridge is almost always the condition of the existing opening. Homes with original aluminum frames, post-1994 settling, or stucco walls that need repair around the rough opening will land higher in the range. The trade-off is that every Juniper job gets a written price before any work starts, and that number does not change once we start pulling the old unit out.
Neighborhoods We Serve in Northridge
Our crews work across Northridge and the surrounding blocks, including the residential pockets that border Cal State Northridge, the ranch-style neighborhoods north of Nordhoff, and the areas east of Tampa Avenue where seismic settling is most visible in older construction. Typical response time for a Northridge estimate visit is one to two business days, depending on where you are in the neighborhood.
- Sherwood Forest
- Northridge Estates
- Limekiln Canyon border area
- CSUN-adjacent residential streets
- Devonshire Highlands
Service Area – Cities Near Northridge
We also work in nearby San Fernando Valley communities. If you are in Winnetka, CA, Reseda, CA, Porter Ranch, CA, or Chatsworth, CA, the same written-price guarantee and 365-Day Done Right Promise apply. Each city has its own page with local pricing and conditions.
Serving Northridge, CA - Our Local Coverage Area
We’re based in the Northridge 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 Company in Northridge
Most Northridge estimate visits happen within one to two business days of your call. We schedule in a live arrival time you can track, so you are not waiting through a four-hour window. Call (661) 523-0347 to set one up.
Most like-for-like replacements that keep the opening the same size do not require a permit, but new openings, structural changes, or work tied to seismic retrofit plans can trigger one. We handle the paperwork when it is needed and make sure everything passes inspection.
Yes. Condo and HOA projects in Northridge often need board approval before any exterior window or door work, and we will provide the spec sheets and submittal documents you need. The scheduling and written pricing process stays the same. Call (661) 523-0347 and we will walk you through it.
If your Northridge home still has original single-pane windows or a slider that sticks after 30 years of valley heat and seismic settling, the best move is a free on-site estimate. Our crews know this housing stock and will give you a written price before any work starts. Call (661) 523-0347 to book yours.
Six Reasons Homeowners Choose Juniper Windows Santa Clarita
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.
Other Juniper Windows Santa Clarita Services
What Neighbors Say About Juniper Windows Santa Clarita
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 Northridge Customers Say
"Window replacement upstairs and downstairs, both done in a day."
- Moe K."Foam insulated around the frames. Drafts are gone."
- Cindy P."Door replacement. Installer texted when on his way and finished by lunch. Tight and clean."
- Neil B.