New windows and doors improve comfort, cut energy bills and add long-term value to your home. Westlight Windows San Jose 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 San Jose
Most window replacement projects in San Jose run between $850 and $1,400 per window installed, depending on whether you’re swapping an insert into an existing frame or doing a full tear-out with new framing, flashing, and stucco repair. We’re Westlight Windows San Jose, and we’ve been replacing windows in this city long enough to know that no two 1960s ranch homes are quite alike. Our crews work throughout San Jose, from Alum Rock to Willow Glen to the Eichler tracts of Fairglen and Pine Ridge. If you’re tired of fogged double panes, drafty aluminum frames, or windows that sweat all winter, call (669) 333-7786 and we’ll give you a written price before any work begins.
Why Westlight Windows San Jose Is San Jose’s Preferred Window Replacement Company
We’re an independently owned and operated Kingswell location, and Owen Satterfield runs our San Jose operation the same way he has since 2009: show up when we say we will, put the price in writing first, and come back if the work fails. San Jose homeowners tell us the same thing over and over: they hired a contractor who quoted a vague number, disappeared for three weeks, then showed up with a revised invoice. That doesn’t happen with us. The Kingswell Guarantee goes with every job: a written price before any work starts, a committed arrival window, a clean job site, and a written guarantee on the completed work.
We also answer the phone. A live person picks up 24 hours a day, seven days a week. Not a voicemail box. Not an answering service that takes a message and hopes someone calls back. You call (669) 333-7786, you get a real human who can schedule, answer questions about low-E coatings, or dispatch a crew to San Jose the same day if you’ve got a broken pane and a cold house.
Our technicians are background-checked and wear Westlight uniforms, so you know exactly who’s walking up your driveway. And we carry eight manufacturer lines, including PGT, CGI, and ViewLux, so we’re not trying to force your mid-century modern bungalow into whatever window happens to be on the truck.
Window Repair in San Jose
Window Repair in San Jose usually means one of three things: a seal failure that leaves condensation trapped between panes, a warped or rotted frame that won’t close tight, or broken hardware on an aging aluminum slider. Most repairs run $180 to $450 per window, with full sash or glass replacement going higher on floor-to-ceiling Eichler units. The trick in this city is catching small problems before they become structural ones, because a sticky window on a 1960s ranch home is often the first sign of moisture getting into the framing.
Seal Failure and Glass Replacement
San Jose’s intense summer sun degrades old putty and gaskets faster than most homeowners expect. Once a seal fails, you get fog between panes, and the insulating gas is gone for good. We can replace the glass unit in many frames without tearing out the whole window, which keeps costs down and preserves the original sightlines on mid-century homes.
Frame Repair and Hardware
Aluminum frames from the 1950s through the 1970s corrode at the corners and warp over time. We see this daily in older San Jose neighborhoods like Rose Garden and Naglee Park, where original windows have been fighting the elements for sixty years. Sometimes a sash replacement and new rollers fix the problem. Other times the frame has dry rot behind the stucco and needs real carpentry. We’ll tell you which one you have before you spend a dollar.
Window Replacement Company in San Jose
Window Replacement Company in San Jose means something specific when you’re talking about homes built between 1955 and 1975. These houses were framed around single-pane aluminum windows, and swapping in modern dual-pane units often means upgrading headers, adding shear nailing, and re-flashing the opening to current code. Full frame replacements on San Jose ranch homes typically run $1,100 to $2,400 per opening once you factor in new construction windows, framing repair, and stucco or siding work. Inserts into sound existing frames run less, usually $700 to $1,200 per window.
Full Frame Replacement
This is the right call when the original frame is rotten, out of square, or simply too small for today’s code. We pull the entire window to the studs, fix what’s behind it, install the new unit, and flash it properly. On San Jose Eichler homes with floor-to-ceiling glass walls, this often requires custom framing to maintain the original profile while meeting current energy and structural standards.
Insert Window Replacement
When the existing frame is sound, an insert window drops into the opening without disturbing interior trim or exterior stucco. It’s faster and less expensive, and it preserves the original character of the home. Many San Jose homeowners choose inserts for the front-facing windows on their mid-century homes to keep curb appeal intact while upgrading the rear of the house with full frames.
Trusted Brands We Service in San Jose
We stock and install windows from PGT, CGI, and ViewLux, among others, which means San Jose homeowners get real product choice matched to their home’s specific needs. PGT and CGI build impact-rated units that hold up to the region’s occasional high-wind storms, while ViewLux offers the clean, contemporary sightlines that work beautifully on mid-century modern and contemporary San Jose homes. And because these aren’t special-order exotics, we’re not waiting weeks for a truck from the factory when you need a replacement sash. Our San Jose operation keeps local inventory moving, so turnaround stays tight.
Common Window Replacement Problems We See in San Jose Homes
- Original aluminum frames failing at the seal. Homes built from the 1950s through the 1970s in San Jose often still have their original single-pane aluminum windows, and after sixty years of summer UV and winter rain, seals crack and condensation creeps between the glass. The problem is worse than homeowners realize because moisture is usually working on the stucco and framing behind the window too.
- Dry rot hiding behind stucco. San Jose’s wet winters push water against window openings, and the paper flashing originally used on post-war homes breaks down. We frequently find dry-rotted sill plates and studs when we pull an old window on a ranch-style home in neighborhoods like Berryessa or Cambrian.
- Eichler clerestory windows that can’t be swapped for off-the-shelf units. The floor-to-ceiling glass and clerestory windows in San Jose’s Eichler tracts, particularly Fairglen and Pine Ridge, have dimensions and sightlines that no standard production window matches. Altering the mid-century profile without design review can also trigger permit problems with the city.
- DIY replacements that leave undersized headers in place. We’ve pulled recently replaced windows in San Jose ranch homes where a handyman installed a new window into the old opening without addressing the undersized header. A few years later, the opening sags, the jamb racks, and the window won’t close. Fixing that costs more than doing the job right the first time.
Pricing for Window Replacement in San Jose, CA
Here’s what you can expect to pay in San Jose. Inserts into sound frames run $700 to $1,200 per window. Full frame replacements run $1,100 to $2,400 per opening, with the higher end covering Eichler-style floor-to-ceiling units, custom sizing, framing repair, and permit work. Window repair work typically runs $180 to $450 per window. What moves the number is what’s behind the window: rotten framing, failed flashing, code-required shear upgrades, and stucco repair all add scope. We write those costs into your contract as allowances before we start, and any surprise gets priced and approved in writing before we touch it. Call (669) 333-7786 for a free estimate, and you’ll have a written line-item price before any work begins.
We Also Serve Cities Near San Jose
Our crews work throughout the South Bay, so if you’re in Milpitas, Sunnyvale, Cupertino, or Mountain View, the same Window Replacement team that serves San Jose can handle your project. We schedule jobs across the region daily, which keeps drive time down and arrival windows tight. You get the same written pricing, the same guarantee, and the same live person answering the phone.
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 Replacement in San Jose
If your home is in a designated historic district or your Eichler features the original floor-to-ceiling glass and clerestory windows that define the mid-century profile, San Jose’s design review process can require approval before you alter the sightlines. Most straightforward window replacements with like-for-like dimensions clear the permit process without design review, but any change to opening size or framing that alters the exterior appearance may trigger additional sign-off. We pull permits on every job that requires them, and we handle the paperwork so you don’t have to. Call (669) 333-7786 and we’ll check your specific address against the city’s requirements.
Inspection comes first, and allowances get written into your contract before we start. When we open a wall on an older San Jose home, we’re prepared for rot, failed flashing, and wiring that isn’t up to current code, because we see it on most jobs in neighborhoods built from the 1950s through the 1970s. Our crew documented a recent project in the Fairglen tract where a warped sliding door hid undersized framing and dry-rotted studs; we photographed everything, wrote the code-required nailing and shear upgrade into a change order, and got approval before cutting further. Nothing gets touched until you approve it in writing.
Yes, and this is one of the jobs we do most often in San Jose’s Eichler tracts. On a Fairglen home built in 1962, we replaced a warped, single-pane sliding door with a dual-pane, low-E insulated glass unit in a thermally broken frame, and we matched the original slim sightlines so the home’s mid-century character stayed intact. The key is sourcing frames and glass packages that replicate the narrow profiles of the original aluminum extrusions, which off-the-shelf production doors won’t do. Call (669) 333-7786 for a free estimate, and we’ll show you exactly what’s possible for your specific door opening.
San Jose’s winter nights drop into the 40s and low 50s, and the temperature difference between your heated interior and the glass surface creates condensation, especially on single-pane aluminum frames. Cold air holds less moisture, so the water vapor in your home condenses on the coldest surface available, which is almost always an old window. Add San Jose’s wet winter months and you get mold along the sills and frames. Replacing those single panes with dual-pane, low-E units raises the interior glass temperature enough to stop most condensation, which also protects the surrounding framing from rot.
San Jose enforces California Building Code requirements, which include design wind pressure ratings for windows in each exposure category, and homes in certain areas may need impact-rated or energy-rated products depending on orientation and local ordinances. We install PGT and CGI impact-rated lines for homeowners who want extra wind protection, and every job is permitted and inspected to confirm compliance with San Jose’s current code. If you’re unsure what your specific home requires, call (669) 333-7786, and we’ll walk you through it.
Call Westlight Windows San Jose for a Free Estimate
If your windows are fogged, drafty, or sweating through the winter, don’t wait another season. Call (669) 333-7786 and we’ll schedule a free estimate at your San Jose home. You’ll get a written line-item price before any work starts, a real arrival window, and a guarantee that comes back with us if anything isn’t right. Owen Satterfield and the Westlight Windows San Jose team have been doing this work since 2009, and we’re not going anywhere.
Written by Owen Satterfield, Owner at Westlight Windows San Jose, serving San Jose and the South Bay.
Six Reasons Homeowners Choose Westlight Windows San Jose
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.