New windows and doors improve comfort, cut energy bills and add long-term value to your home. Juniper Windows Pasadena 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
Window Company in Altadena, CA
Juniper Windows & Doors is the window company Altadena homeowners call when century-old sash windows finally give out, when a solid wood door won’t latch through another Santa Ana season, or when a mid-century ranch needs glass that can handle brush-fire ember exposure. Altadena isn’t a cookie-cutter suburb. The homes here were mostly built between the 1910s and 1950s, and the mountains don’t just frame the view – they bake the west-facing frames in dry heat and push winds down the canyons that strip weatherstripping faster than anything we see in Pasadena or Glendale. That’s why we price every job in writing before the first screw turns. Call (626) 657-5977 for a free estimate.
Why Altadena Homes Are Different
Altadena’s housing stock is a live catalog of early Southern California building. You’ll find Craftsman bungalows in the Presidents Streets with original Douglas fir sash and wavy glass nobody makes anymore. You’ll find mid-century ranch homes with single-pane aluminum sliders that turn bedrooms into ovens by July. And you’ll find wood-frame construction nearly everywhere, which means decades of sun, dry heat, and Santa Ana gusts have taken a real toll: cracked frames, failed glazing putty, doors that no longer square with their jambs.
What this means in practice is that off-the-shelf replacements rarely fit. A 1923 bungalow with settled framing needs a window measured to the opening, not the rough guess a big-box store sells you. Hillside lots along Lake Avenue and up into the Chaney Trail area add another layer: brush-fire codes now require impact-rated or tempered glass in certain exposures, and the seismic retrofitting momentum across Los Angeles County has more homeowners asking about frame anchoring before they think about aesthetics. The original wood detailing is often worth preserving – and when it is, we’ll tell you. When it isn’t, we’ll tell you that too, with a written price either way.
Our Main Altadena Services
Most Altadena homeowners reach out for one of two things: replacing windows that have outlived their weatherproofing, or installing doors that finally fit and seal. Each of these has its own Altadena page with local pricing and specifics, linked below.
Window Replacement in Altadena
Replacing windows in Altadena usually means working around the original opening rather than ripping everything to studs. We pull the old sash, inspect the frame for dry rot (common on west-facing walls that catch the afternoon mountain sun), then set new units – often dual-pane with a low U-factor to cut the summer heat load. Impact-rated glass is a frequent request up in the brush-adjacent canyons, and it’s one we’re glad to quote line-by-line. The full breakdown, including Altadena-specific pricing, is on the Window Replacement in Altadena page.
Window Installation in Altadena
New-construction and full-frame installation jobs bring their own Altadena wrinkles: older stud bays can be out of square by half an inch, and hillside homes often need extra flashing because wind-driven rain hits differently at the base of the San Gabriels. We install line-by-line from eight product lines, so the right glass is never a compromise. Every installation gets a written price first and is covered by the 365-Day Done Right Promise. Details and the full scope are on the Window Installation in Altadena page.
Door Replacement in Altadena
Altadena’s solid wood doors have character – and decades of settlement working against them. A door that dragged on the jamb in 1980 is likely binding hard now. We replace doors with custom fitting rather than off-the-shelf slabs, which matters when the house has moved a quarter inch since Truman was in office. Exterior doors in hillside zones often need fiberglass or steel with proper weatherstripping to hold up against Santa Ana dust and heat. See pricing and the full process on the Door Replacement in Altadena 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 Altadena
We stock and install ViewLux, PGT, and Therma-Tru product lines for Altadena jobs, with common parts kept locally so a replacement sash or hinge doesn’t wait on a freight truck from Texas. Turnaround on most standard orders runs two to four weeks. See the full catalog on our brands page.
Pricing for Window Company in Altadena, CA
| Service | Typical range in Altadena |
|---|---|
| Full window replacement, per opening (mid-grade dual-pane) | $850 – $1,400 |
| Full window replacement, per opening (impact-rated) | $1,400 – $2,600 |
| Standard vinyl window installation, per opening | $600 – $1,100 |
| New-construction window installation, per opening | $900 – $1,700 |
| Exterior door replacement (steel or fiberglass, factory-hung) | $1,900 – $3,800 |
| Exterior door replacement with sidelights | $3,200 – $6,500 |
| Interior door replacement, per door (solid core) | $350 – $750 |
| Sliding glass door replacement | $2,800 – $5,200 |
| French door replacement | $3,000 – $6,000 |
What pushes a job toward the top of Altadena’s ranges: impact-rated glass on brush-adjacent lots, rotten subsill repair on older wood frames, and out-of-square openings that need custom shimming and trim. Whatever the number, we put it in writing before any work starts – no estimate that morphs into a surprise invoice.
Neighborhoods We Serve in Altadena
We work across Altadena, from the Presidents Streets bungalows to the ranch homes above Altadena Drive and the hillside lots along Chaney Trail. Crews are scheduled from the brand’s Los Angeles office, and most Altadena jobs see first visits within a few business days of the call.
- Presidents Streets
- Altadena Town Center area
- Lake Avenue corridor
- Chaney Trail / La Vina
- North Altadena (above Altadena Drive)
Service Area – Cities Near Altadena
Juniper Windows & Doors handles jobs across the San Gabriel foothills and the surrounding valley. If you’re nearby, we also serve Pasadena, CA, Sierra Madre, CA, Alhambra, CA, and Glendale, CA. Each city page covers local conditions and pricing for that market specifically.
Serving Altadena, CA - Our Local Coverage Area
We’re based in the Altadena 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 Altadena
Most Altadena homes see a first visit within a few business days of the call. We schedule a live arrival time you can track, so you’re not waiting through a four-hour window. Call (626) 657-5977 and a real person answers and books the visit.
Homes in brush-adjacent zones often need impact-rated or tempered glass to meet fire-safety codes, and seismic anchoring is common on older wood-frame construction. We’ll flag the requirements for your specific street during the estimate. Call (626) 657-5977 with your address and we’ll walk through it.
Where a permit is required, we pull it ourselves and handle the inspection. Many window replacements don’t need one, but door work that alters the opening size often does. The estimate tells you exactly what’s required. Call (626) 657-5977 for a free, written quote.
Need a window or door looked at in Altadena? Call (626) 657-5977 for a free estimate, a written price, and a live arrival time on the day we come out.
Six Reasons Homeowners Choose Juniper Windows Pasadena
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 Pasadena Services
What Neighbors Say About Juniper Windows Pasadena
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 Altadena Customers Say
"Foam insulated around the frames. Drafts are gone."
- Cindy P."Window replacement upstairs and downstairs, both done in a day."
- Moe K."Door replacement. Installer texted when on his way and finished by lunch. Tight and clean."
- Neil B.