Free in-home measure and quote - PGT, CGI and CWS impact lines compared on your actual openings, style by style
Window Company in Los Gatos, CA
Most window and door jobs in Los Gatos run between $850 and $4,200 per opening depending on the product tier and structural complexity, with hillside custom installs at the higher end and valley-floor retrofits toward the lower. We’re Lightwell Windows & Doors, the independently operated Cedarwell company serving Los Gatos from our San Francisco Bay Area office, and we carry eight manufacturer brands so the recommendation fits your home rather than our preferred vendor. Every job starts with a written price before any work begins, backed by our 365-Day Done Right Promise. Call (562) 478-8017 to schedule your free estimate.
Why Los Gatos Homes Are Different
Los Gatos sits at the meeting point of three distinct environmental zones, and that geography changes nearly every window and door decision we make here.
The valley floor holds thousands of 1950s – 70s ranch-style tract homes with original aluminum single-pane sliders that rattle in winter and bleed heat in summer. These are straightforward retrofits, but they’re everywhere in neighborhoods like Glenridge and along Los Gatos-Almaden Road, and the frames are often embedded in stucco that cracks if you rush the extraction.
The hillside properties above town, in Belgatos and the Los Gatos Hills near Summit Road and Aldercroft Heights, face a completely different set of pressures. The Santa Cruz Mountains funnel marine moisture and fog across these elevations, so west- and north-facing windows see dramatically higher condensation stress and seal failure than anything on the flatlands. After the 2020 CZU Lightning Complex fire, many hillside homeowners now need dual-pane tempered safety glass and fiberglass frames explicitly to meet WUI defensible-space standards. That’s a compliance conversation, not a style preference.
Then there’s the historic downtown core, where pre-WWII Craftsman bungalows and Victorian homes fall under the Town of Los Gatos Historic Preservation Ordinance. Replacing a window or door on a contributing structure requires architectural approval through Design Review, a regulatory layer that simply does not exist in neighboring Campbell or Monte Sereno. We’ve walked clients through that process, and it adds time but protects the streetscape.
Our Main Los Gatos Services
Los Gatos homeowners call us most often for these three jobs. Each has its own dedicated page with local pricing, product recommendations, and process details.
Window Replacement in Los Gatos
Window replacement in Los Gatos means extracting the existing frame, sash, and hardware, then installing a new complete unit sized to the opening. On the valley floor, we see a lot of original aluminum single-pane sliders from the 1960s and 70s that have lost their weatherstripping and no longer lock securely. In the hills, we’re often replacing wood frames that have rotted from sustained moisture exposure on north-facing elevations. We pull permits when required, match stucco or siding texture at the exterior, and protect floors and furniture with drop cloths before we touch anything. Window Replacement in Los Gatos

Window Installation in Los Gatos
New window installation in Los Gatos covers openings where no window existed before, additions, garage conversions, and new construction. Hillside homes frequently need this service when owners finish basements or add accessory dwelling units with views toward the Santa Clara Valley. The structural header requirements vary by span and load, and hillside soils sometimes require enhanced fastening patterns. We ask before moving furniture, explain the price before starting, and send a photo of the cleaned workspace before the crew leaves. Window Installation in Los Gatos

Door Installation in Los Gatos
Door installation in Los Gatos ranges from standard pre-hung entry replacements to oversized lift-and-slide systems opening onto hillside decks. Historic downtown properties sometimes need custom-sized units to fit original masonry openings without altering the surrounding trim. Fire-rated doors come up regularly for hillside homes in Very High Fire Hazard Severity Zones, particularly for garage-to-house entries. Our technicians are background-checked and uniformed, and we use pet-safe sealants wherever there’s a choice in product. Door Installation in Los Gatos

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 Los Gatos
We stock and install products from eight brands: PGT, CGI, CWS, ES Windows, ECO Window Systems, Mr-Glass, Therma-Tru, and ViewLux. For Los Gatos, we often reach for CGI aluminum impact-rated lines on hillside fire-zone jobs, CWS vinyl for valley-floor energy retrofits, and ES Windows or ECO Window Systems when a project needs specific NFRC ratings or custom dimensions. Most standard sizes are available within two to three weeks; custom orders run four to six. our brands
Pricing for Window Company in Los Gatos, CA
| Service | Typical range in Los Gatos |
|---|---|
| Standard vinyl double-hung replacement (valley floor) | $850 – $1,400 |
| Fiberglass frame replacement (hillside, fire zone) | $1,600 – $2,800 |
| Aluminum impact-rated replacement (WUI compliance) | $2,200 – $3,800 |
| Wood-clad custom replacement (historic district) | $2,800 – $4,200 |
| New construction window installation (standard opening) | $1,100 – $1,900 |
| New construction window installation (structural header required) | $1,800 – $3,200 |
| Standard pre-hung entry door replacement | $1,400 – $2,400 |
| Fiberglass fire-rated entry door (garage-to-house) | $2,200 – $3,600 |
| Lift-and-slide or multi-panel door system | $4,500 – $8,500 |
| Historic custom door (Design Review compliance) | $3,200 – $5,800 |
What pushes prices higher in Los Gatos: hillside access requiring specialized equipment, WUI fire-rated materials, Historic Preservation Ordinance compliance with custom millwork, and stucco repair after frame extraction. What doesn’t change: our written price before any work starts, with no invoice surprises at the end of the day.
Neighborhoods We Serve in Los Gatos
We work across Los Gatos’s full geography, from the historic downtown grid to the ridge lines above town. Most valley-floor neighborhoods are within 20 minutes of our dispatch point; hillside properties sometimes need morning scheduling to avoid afternoon fog delays on winding roads.
- Belgatos
- Los Gatos Hills (Summit Road area)
- Glenridge
- Downtown Historic District
- Aldercroft Heights
Service Area – Cities Near Los Gatos
Our crews serve the full Los Gatos area and regularly work in neighboring communities. We have active projects in Saratoga, CA to the north, Campbell, CA to the east, Cupertino, CA to the northeast, and Santa Clara, CA to the southeast. Scheduling and permitting knowledge transfers across these boundaries, though each city has its own inspection requirements and timeline.
Serving Los Gatos, CA - Our Local Coverage Area
We’re based in the Los Gatos 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 Los Gatos
Most Los Gatos valley-floor jobs schedule within one to two weeks; hillside properties sometimes need additional lead time for equipment access and morning weather windows. Historic downtown projects add two to four weeks for Design Review submission and approval. Call (562) 478-8017 for current availability and we’ll hold a date while paperwork processes.
The Town of Los Gatos requires permits for all window and door replacements that change the opening size, structural support, or fire rating. Historic contributing structures also need Design Review approval before permit issuance. We pull permits as part of our standard process and include that coordination in our written quote. Call (562) 478-8017 and we’ll verify your property’s requirements.
Yes. Our C.A.R.E. values require us to respect family quiet hours, ask before moving anything, and use pet-safe products where alternatives exist. We schedule noisy work outside nap times when requested, lay drop cloths before entering, and send a photo of the cleaned space before leaving. Call (562) 478-8017 to note any specific household needs when booking your estimate.
Ready to talk through your project? Call (562) 478-8017 to schedule your free estimate. We’ll put every price in writing before any work starts, and we back every job with our 365-Day 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 Los Gatos Customers Say
"Replaced six windows. The crew laid runners through the house and vacuumed each room as they finished. With a crawling baby, that no mess thing meant a lot. Windows are gorgeous."
- Rosalind Kemp"Lovely windows and a tidy install. One window came in a couple weeks late from the factory, so that opening finished after the others. They kept me posted and the rest was spotless."
- Mia Donnelly"Quiet, considerate install of several windows. They cleaned the glass and the sills and vacuumed every room. You'd never know a crew had been through. House is quieter and brighter."
- Brent Sakamoto










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