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Window Company in San Jose, CA
Window and door work in San Jose means dealing with a specific set of local realities: 1960s and 1970s tract homes with original aluminum frames, Craftsman bungalows in the Rose Garden, and newer hillside builds where wind exposure changes everything. As a San Jose window company, Juniper Windows & Doors handles all of it: window replacement, window installation, and door replacement, with a written price locked before any work begins. Call (682) 281-2168 for a free estimate.
Why San Jose Homes Are Different
San Jose’s housing stock spans a wide range of eras and styles, and each one affects window and door work differently. Homes built in the 1950s and 1960s, common throughout Willow Glen and Cambrian Park, often have aluminum frames that conduct heat and are nearing or past the end of their useful life. Wood-framed bungalows in Naglee Park and the Rose Garden need careful measurement and shimming because floors and walls have settled over decades. The East Foothills and parts of Evergreen sit on sloping terrain where drainage and wind exposure influence product selection, particularly for impact-rated glass (built to resist wind-borne debris without shattering).
San Jose’s Mediterranean climate, with dry summers and occasional winter storms that bring strong gusts down from the Diablo Range, means window and door sealing matters year-round. Homes near the Coyote Creek corridor contend with higher humidity and soil movement, which shows up as doors that no longer sit square in their frames. We see this constantly in Silver Creek and Alviso: slabs shift, and a door that fit perfectly ten years ago now drags against the threshold. Those are the jobs where a written, upfront price protects homeowners, because a visual quote before the old unit comes out is never the full story.
Our Main San Jose Services
San Jose homeowners call Juniper most often for two types of work: replacing old windows that leak air and fail to insulate, and replacing doors that no longer close or lock properly. Each service gets its own dedicated San Jose page where you’ll find pricing, process, and local specifics.
Window Replacement in San Jose
Window replacement in San Jose usually means removing aging aluminum or leaky wood frames and installing new units with better U-factor ratings (lower means less heat transfer). In neighborhoods like Willow Glen and the Rose Garden, we regularly work around original trim that homeowners want preserved, which means careful measurement and custom flashing rather than off-the-shelf sizing. For hillside homes in the East Foothills, impact-rated glass is often a requirement. See our full Window Replacement in San Jose page for pricing, product options, and timelines.

Window Installation in San Jose
New construction and additions in San Jose call for window installation that meets current California energy code. Builders in Evergreen and along the Berryessa corridor work with us because we install to spec and coordinate with the framing crew’s schedule, so units arrive before the rough opening gets sealed. Homes in Santa Teresa and Blossom Valley frequently have odd-sized openings from earlier additions; we measure each opening twice and order exact sizes. Details and pricing live on our Window Installation in San Jose page.

Door Replacement in San Jose
Door replacement in San Jose covers entry doors, sliders, and patio doors that have warped, sagged, or lost their seal. Sliders in older condos near downtown San Jose often struggle with tracks worn smooth by decades of use, and a replacement unit sized for the existing opening is the fastest fix. Entry doors on Victorians in Naglee Park frequently need pre-hung units that account for non-standard frame depths. Our Door Replacement in San Jose page goes deeper into options, materials, and costs.

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 San Jose
We install and service windows and doors from CGI, CWS, ES Windows, and ECO Window Systems. Our San Jose crews have access to parts locally for these lines, which keeps turnaround for repairs and adjustments fast. See our brands for the full catalog.
Pricing for Window Company in San Jose, CA
| Service | Typical range in San Jose |
|---|---|
| Window replacement (per window, standard size) | $350 – $800 |
| Window replacement (custom or oversized) | $800 – $1,600 |
| Full-home window replacement (10-15 windows) | $5,500 – $14,000 |
| Window installation (new construction, per window) | $250 – $550 |
| Window installation (large or multi-unit project) | $4,000 – $11,000 |
| Door replacement (entry door, standard) | $700 – $1,800 |
| Door replacement (entry door, custom or impact-rated) | $1,800 – $4,200 |
| Sliding door replacement | $1,100 – $2,800 |
| Patio door replacement | $1,200 – $3,600 |
Prices in San Jose climb when the home sits on a hillside with difficult access, when openings are non-standard from past additions, or when the job requires impact-rated glass and heavy-duty frames for wind exposure. Whatever the number is, it’s the number: Juniper writes the price before work starts, and it does not change unless the scope does, and then only with your sign-off.
Neighborhoods We Serve in San Jose
Our crews work throughout San Jose, from the flatlands of Alviso to the hills of Evergreen. Here are the areas we see most:
- Willow Glen
- Rose Garden
- Naglee Park
- East Foothills
- Blossom Valley
Response time for the San Jose metro is typically 1 to 3 business days for a scheduled visit, with free estimates on every job.
Service Area – Cities Near San Jose
Juniper’s San Jose crews also cover neighboring cities across Santa Clara County. If you’re in Milpitas, Santa Clara, Sunnyvale, or Campbell, we can schedule a free estimate for your project. Dispatch and scheduling are coordinated from the brand’s San Francisco Bay Area office, and crews serve San Jose locally.
Serving San Jose, CA - Our Local Coverage Area
We’re based in the San Jose 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 San Jose
For most San Jose neighborhoods, we can schedule a free estimate within 1 to 3 business days. Scheduling is coordinated from the Bay Area office, and you’ll get a live arrival time so you’re not waiting around for a four-hour window. Call (682) 281-2168 to book a slot.
San Jose requires permits for most window and door replacements, especially when the opening changes size or the home is in a historic district. Juniper handles the permits for you, and we don’t start work until inspections are passed. Call (682) 281-2168 for specifics on your project.
Yes. We cover the entire San Jose metro, from Alviso to Evergreen to Blossom Valley, plus the surrounding cities listed above. If you’re not sure whether you’re in range, call (682) 281-2168 and a live person will tell you. Estimates are free.
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 San Jose Customers Say
"Front door looks great and shuts well. The threshold is sealed well and the lock lines up with the strike."
- Rory F."Quote came in the app with options for glass. Easy to compare."
- Vera L."Door replacement. Installer texted when on his way and finished by lunch. Tight and clean."
- Neil B.










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