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

Windows & Doors in Foster City, San Mateo CountyInstallation & Replacement | Foster City

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

30+ Years Experience
Employee Owned
Title 24 Compliant
Licensed & Insure
Regular$915
Now$549
per window installed
(650) 461-4446

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

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

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Window Replacement Services in Foster City, San Mateo County

Deluxe Windows has been serving Foster City 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 for Foster City's planned community. Foster City's unique character as a 1960s planned development built on reclaimed Bay land means its housing is remarkably uniform — hundreds of near-identical 1965–1975 homes whose original aluminum slider windows are now well past their 50-year service life and desperately due for replacement. Our certified installers handle all Foster City permits and inspections so you don't have to.

Foster City's bayfront microclimate is persistently windy and marine-influenced, with salt air from adjacent lagoons accelerating the corrosion of aluminum frames and degrading older vinyl sealants. The housing stock is almost entirely 1960s–1970s ranch and split-level homes with standard 6-foot sliding glass door and horizontal slider window configurations — a streamlined replacement job our crews complete efficiently. Milgard's Tuscany horizontal sliders are the most popular product in Foster City, offering a direct improvement over original aluminum in the same opening. Most projects are completed in just 1–2 days.

Foster City Service Summary
Service Area Foster City, CA
County San Mateo 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

Foster City

Every material, every style — installed to Title 24 energy standards by our certified Foster City team.

Window Brands We Install in

Foster City

We carry every major brand — match any budget, any style, any home in Foster City.
Transparent Pricing

Window Replacement Cost in Foster City

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 Foster City Window Experts
30+ Years Serving Foster City
We've installed thousands of windows across the Bay Area, including hundreds of homes in Foster City and San Mateo 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 Foster City 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 Foster City 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 Foster City?

Get a free, no-obligation in-home estimate from Foster City's most trusted window experts. We respond within 24 hours and can often schedule same-week visits.

Do You Have Any Question?

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

How much does window replacement cost in Foster City?

Foster City homeowners typically invest $6,000 to $14,000 for a full window replacement project. This planned San Mateo County community features 1970s–1980s homes on the Bay shoreline that frequently need upgrades to combat salt air and coastal wind exposure. Projects covering 10–16 windows are typical. Single window installation starts at approximately $560.

Do I need a permit to replace windows in Foster City?

Yes. Foster City requires a building permit for window replacements. HOA requirements may also apply in many of Foster City's planned residential communities. Our team manages all permit applications and HOA submittals on your behalf.

Is it worth replacing 20-year-old windows in Foster City?

Often yes. Twenty-year-old windows in Foster City 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 Foster City?

Vinyl is the value pick for most Foster City 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 Foster City?

Most Foster City 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".