We are – 100% employee owned & over 30 years in business!
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⚲ Serving Cupertino, CA

Windows & Doors in Cupertino, Santa Clara CountyInstallation & Replacement | Cupertino

Professional window & door installation by Cupertino's most trusted team. Vinyl, fiberglass, wood & aluminum — every brand, every style, free estimate.

✔
30+ Years Experience
✔
Employee Owned
✔
Title 24 Compliant
✔
Licensed & Insure
Bay Area (888) 730-4144 Cupertino (408) 516-1200
Regular$915
Now$549
per window installed
(408) 516-1200

We are – 100% employee owned & over 30 years in business!

Get Deluxe Windows for Less.
Summer Sale.
40% OFF*

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Cupertino

Window Replacement Services in Cupertino, Santa Clara County

Deluxe Windows has been serving Cupertino homeowners with expert window and door replacement for over 30 years. From energy-efficient vinyl windows that meet California's Title 24 standards to premium systems from brands like Milgard, Andersen, and Anlin — we carry every material and style needed to upgrade any Cupertino home. Cupertino's Monta Vista and Seven Springs neighborhoods feature dense 1960s–1980s subdivisions where dual-pane upgrades are now standard practice — homeowners here consistently report 20–30% reductions in energy bills after replacing builder-grade aluminum windows with modern low-e glass. Our certified installers handle all Cupertino city permits and inspections so you don't have to.

Cupertino's inland South Bay microclimate brings warm, dry summers and mild winters with minimal fog — making it a climate where both heating and cooling season savings matter. Home styles range from 1960s–1970s California ranches in the Homestead corridor to larger 1990s two-story homes near Apple Park. Milgard's Essence Series, with its fiberglass frame and wood interior, is popular in Cupertino's higher-end upgrades where homeowners want premium aesthetics. Our certified installers handle all permits and inspections. Most Cupertino projects are completed in just 1–2 days.

Cupertino Service Summary
Service Area Cupertino, CA
County Santa Clara County
Starting Price From $549/window
Current Offer 40% OFF
Yelp Rating ★★★★★ 4.9
Installation Time1–2 Days
Estimates Free
Request a Free Estimate

Windows Types We Install in

Cupertino

Every material, every style — installed to Title 24 energy standards by our certified Cupertino team.
Aluminum Windows

Aluminum Windows
Steel Windows

Steel Windows
Wood Windows

Wood Windows
Fiberglass Windows

Fiberglass Windows
Wood Clad Windows

Wood Clad Windows
Aluminum Clad Windows

Aluminum Clad Windows

Window Brands We Install in

Cupertino

We carry every major brand — match any budget, any style, any home in Cupertino.
Milgard
Andersen
Anlin
Transparent Pricing

Window Replacement Cost in Cupertino

Bay Area labor rates and materials explained. All pricing includes professional installation.

Vinyl Windows
$832 $499
per window, installed
Most affordable option
Full lifetime warranty available
Brands: Anlin, Milgard, Simonton
Energy Star certified
Low maintenance — never paint
Wood / Wood Clad
$915 $549
per window, installed
Natural warmth & character
Ideal for historic homes
Custom finishes & stain
20-year glass warranty
Brands: Andersen, Marvin, Jeld-Wen
Fiberglass / Aluminum
$915 $549
per window, installed
Highest strength & durability
Best thermal performance
Modern slim-frame aesthetics
Ideal for coastal climates
Brands: Milgard Ultra, Marvin, WWS
hOW IT woRKS
Our Installation Process

From first call to finished installation — we handle everything.

1
Free In-Home Estimate
We visit your home, measure every window, explain all options, and give you a written quote — no pressure, no obligation.
2
Product Selection
Choose your material, brand, and style. We guide you toward what works best for your home's architecture and your budget.
3
Permits & Ordering
We handle all city permits and custom orders. Most window orders arrive in 4–8 weeks.
4
Professional Installation
Our certified crew installs to Title 24 standards, completes city inspections, and leaves your home spotless.
Why Deluxe Windows
Your Trusted Cupertino Window Experts
30+ Years Serving Cupertino
We've installed thousands of windows across the Bay Area, including hundreds of homes in Cupertino and Santa Clara County. We know local building codes, permit requirements, and what works best for your neighborhood's architecture.
100% Employee Owned
Every person on your project has a personal stake in doing excellent work. No subcontractors, no turnover — the same dedicated team from estimate through installation and warranty service.
Full Permit Management
We handle all Cupertino city permits, filings, and inspections from start to finish. You don't have to navigate city hall — we've done it hundreds of times and know exactly what's required.
Flexible Financing
Spread the cost of your Cupertino window project with our flexible financing plans. Low monthly payments, competitive rates — ask about current financing offers when you request your free estimate.

Our Guarantee

Vinyl windows
‍


Full lifetime transferable warranty on parts and labor

Aluminum Wood clad, fiberglass, fiberglass clad


Offer 20 year on glass.

All Other Parts
‍


10 Years Warranty

Manufacturer's warranty on glass and frame - lifetime**

Ready to Replace Your Windows in Cupertino?

Get a free, no-obligation in-home estimate from Cupertino's most trusted window experts. We respond within 24 hours and can often schedule same-week visits.
Request a Free Estimate
Or call us directly

✆ (408) 516-1200

Do You Have Any Question?

Call us at (888) 730-4144 to ask your questions.

How much does window replacement cost in Cupertino?

Cupertino homeowners typically invest $7,000 to $17,000 for a full window replacement project. This premium Silicon Valley city features a mix of 1960s–1980s ranches and newer luxury homes. Projects frequently include premium glass packages for energy efficiency and UV protection of high-value interiors. Single window installation starts at approximately $600.

Do I need a permit to replace windows in Cupertino?

Yes. Cupertino requires a building permit for window replacements, including like-for-like replacements. Our team manages all Cupertino permit applications and coordinates with the Community Development Department on your behalf.

Is it worth replacing 20-year-old windows in Cupertino?

Often yes. Twenty-year-old windows in Cupertino commonly show fogged glass, drafts and weak locks. Newer ENERGY STAR units improve comfort and curb appeal; Deluxe Windows compares payback against your utility rates and home style before recommending replacement.

Should I choose fiberglass or vinyl windows in Cupertino?

Vinyl is the value pick for most Cupertino replacements and handles Bay Area weather well. Fiberglass (including Marvin Ultrex) is stronger, more stable in temperature swings and better for larger openings or coastal exposure. We show both side by side in the showroom and on-site.

How long does window replacement take in Cupertino?

Most Cupertino projects are measured in one visit and installed in one to three working days once products arrive — typically four to eight weeks after ordering, depending on brand and custom sizes.

* Price applies to minimum window installation size of 24"x24".