Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Before
After
Before
After
Before
AfterWindow Company in Cupertino, CA
Cupertino homes sit in a unique spot: mid-century ranch houses built during the aerospace boom, 1970s and 1980s two-story builds from the first tech wave, and a growing number of full teardown rebuilds with floor-to-ceiling glass. What ties them together is the climate. Dry summers, cool wet winters, and the occasional Bay Area heat spike mean window and door choices that work in San Jose often need a second look here. If you’re searching for a window company in Cupertino, you’re likely weighing replacement costs, energy performance, and whether the work can be done without disrupting a tight weekday schedule. We’re Juniper Windows & Doors, and Cupertino is very much our kind of project. Call (682) 281-2168 for a written, line-item price before any work starts.
Why Cupertino Homes Are Different
Cupertino’s housing stock tends toward two extremes, and each has its own window and door character. The older pockets – around Monta Vista, the streets west of De Anza Boulevard, and the ranch-style clusters near Cupertino High – often have original single-pane aluminum windows from the 1960s and 1970s. Those frames conduct heat, fog at the corners, and rattle when the afternoon wind comes through the Santa Cruz Mountains gap. The newer builds and remodels, especially in the neighborhoods east of 280 and around Rancho Rinconada, lean heavily into large glass walls, slim sightlines, and doors that open onto patios and pools.
Tree cover matters here too. Cupertino’s mature oaks and liquidambars mean some homes get heavy afternoon sun on the west wall while others sit in shade most of the day. That shifts the U-factor conversation depending on which side of the house we’re working on. And because Cupertino sits on what was once orchard land, soil movement is real: doors that bind in the winter and slide freely in July are a common call. We account for that when setting frames and choosing threshold heights.
Our Main Cupertino Services
We handle three core jobs in Cupertino: replacing worn windows, installing new-construction windows during remodels and additions, and replacing entry and patio doors. Each has its own dedicated Cupertino page, and each gets the same written-price standard before a hammer swings.
Window Replacement in Cupertino
Most Cupertino replacement work we do is in homes built between 1960 and 1990. The existing frames are usually aluminum, the glass is single-pane, and the difference after a swap is immediate: quieter rooms on De Anza Boulevard, steadier indoor temperatures, and lower PG&E bills. We replace the full frame, not just the sash, because the old frames in this climate are typically the weak point. Thermal breaks in modern aluminum and vinyl matter here more than in foggy San Francisco. Read the full breakdown, including what a replacement costs, here: Window Replacement in Cupertino.
Window Installation in Cupertino
When a Cupertino homeowner is adding a room, converting a garage to an ADU, or rebuilding after a tear-down, the windows go in against fresh framing. That’s a different job than replacement: flashing, waterproofing, and getting the rough opening exactly right before any glass goes up. Cupertino’s permit office reviews window and door changes on exterior walls, and we pull permits when the project scope calls for them. We also photograph the rough opening before the window goes in, so nothing gets hidden behind trim. See the full installation flow here: Window Installation in Cupertino.
Door Replacement in Cupertino
Entry doors in Cupertino take a beating from the afternoon sun and the seasonal soil shift. A fiberglass door with a foam core handles both better than solid wood, and a properly set threshold prevents the winter bind that’s common in the Monta Vista and Cupertino Village areas. We also replace patio sliders and French doors, and we’re careful to match the existing stucco line so the opening doesn’t look patched. Swing, slide, or bifold, we give you a line-item price for the door, the hardware, and the labor – before work starts. Details are here: Door Replacement in Cupertino.
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 Cupertino
We work with PGT, CGI, and ES Windows regularly in Cupertino, which means we can match an impact-rated window to a remodel or a quiet vinyl line to a rental property. Parts arrive from Bay Area distributors, usually within a few days for standard sizes. See the full product list at our brands.
Pricing for Window Company in Cupertino, CA
Here are the price ranges we typically see for Cupertino jobs. Every line includes labor, materials, disposal, and any necessary flashing or trim work, unless noted.
| Service | Typical range in Cupertino |
|---|---|
| Single window replacement (standard size) | $850 – $1,400 |
| Full-frame window replacement (larger opening) | $1,500 – $2,600 |
| New-construction window installation | $900 – $1,600 per opening |
| Entry door replacement (fiberglass, painted) | $1,800 – $3,200 |
| Patio slider replacement (6-foot, vinyl) | $1,600 – $2,800 |
| French door replacement (pair, inswing) | $2,200 – $3,800 |
| ADU window package (3 – 4 windows) | $2,800 – $5,500 |
| Trim, flashing, or stucco repair (add-on) | $150 – $600 |
What pushes a Cupertino price up is usually the opening size, the need to match stucco or trim on an older home, or access – second-story work over a sloped yard costs more than a ground-floor retrofit. Whatever the number is, you get it in writing before we start. No change orders, no surprise invoice after the fact.
Neighborhoods We Serve in Cupertino
We schedule work across Cupertino, and response time for an on-site estimate is typically within one to three business days, depending on how full the calendar is that week. These are the neighborhoods we work in most often:
- Monta Vista
- Rancho Rinconada
- Cupertino Village
- West of De Anza Boulevard (older ranch homes)
- East of 280 (newer builds)
Service Area – Cities Near Cupertino
If you’re in a neighboring city, we may still be able to help. We regularly run crews through Saratoga, CA, Sunnyvale, CA, Mountain View, CA, and Santa Clara, CA. Scheduling is coordinated from the brand’s San Francisco Bay Area office, and crews serve Cupertino locally.
Serving Cupertino, CA - Our Local Coverage Area
We’re based in the Cupertino 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 Cupertino
We schedule on-site estimates across Cupertino within one to three business days in most weeks. The estimate is free, and you get a written price before any work begins. Call (682) 281-2168 and a live person answers, day or night.
Cupertino requires permits for changes to exterior wall openings, including new windows, enlarging an opening, and some door replacements. We pull permits when the project scope requires them, and we handle the inspection scheduling. It’s noted in your written price.
Yes. If your HOA has architectural review rules, we can provide product specs and finish colors so the board gets what it needs without slowing the job down. You’ll still get a written price first, and if the job fails within 365 days, we come back and fix it under the Done Right Promise.
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 Cupertino 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.