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

Windows & Doors in Clayton, Contra Costa CountyInstallation & Replacement | Bay Area

Professional window & door installation by Bay Area'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
(888) 730-4144

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

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

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Clayton

Window Replacement Services in Clayton, Contra Costa County

Deluxe Windows has been serving Clayton homeowners with expert window and door replacement for over 30 years. From energy-efficient vinyl windows that meet California's Title 24 standards to durable systems from brands like Milgard, Anlin, and Simonton — we carry every style needed for Clayton's foothill community. Clayton's position at the base of Mount Diablo means summer temperatures routinely reach 95–105°F, and many of the city's 1980s–1990s custom homes and planned developments along Clayton Road are showing signs of UV-degraded vinyl frames that need full replacement. Our certified installers handle all Clayton city permits and inspections so you don't have to.

Clayton's microclimate combines intense summer heat with cooler, sometimes foggy winter mornings as air flows down from the Mount Diablo range — a combination that stresses window frames through dramatic thermal cycling. The city's housing stock leans toward larger 1980s–1990s custom homes and newer subdivisions with a mix of single-story ranches and two-story colonials — many with oversized picture windows facing the mountain. Anlin's Del Mar series with its aggressive SHGC ratings is consistently the top performer in Clayton's climate. Our certified installers handle all permits. Most Clayton projects are completed in just 1–2 days.

Clayton Service Summary
Service Area Clayton, CA
County Contra Costa 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

Clayton

Every material, every style — installed to Title 24 energy standards by our certified Clayton 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

Clayton

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

Window Replacement Cost in Clayton

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 Clayton Window Experts
30+ Years Serving Clayton
We've installed thousands of windows across the Bay Area, including hundreds of homes in Clayton and Contra Costa 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 Clayton 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 Clayton 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 Clayton?

Get a free, no-obligation in-home estimate from Clayton'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

✆ (888) 730-4144

Do You Have Any Question?

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

How much does window replacement cost in Clayton?

Clayton homeowners typically invest $5,500 to $13,000 for a full window replacement project. This small Contra Costa community features a mix of 1970s–1990s homes near downtown and newer developments in the Oakhurst Country Club area. Window count typically ranges from 10 to 16 per project.

Do I need a permit to replace windows in Clayton?

Yes. Clayton requires a building permit for window replacement. Projects involving changes to the rough opening or structural framing require a full building permit; like-for-like replacements may qualify for expedited review. Our team handles all permitting for Clayton projects on your behalf.

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

Often yes. Twenty-year-old windows in Clayton 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 Clayton?

Vinyl is the value pick for most Clayton 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 Clayton?

Most Clayton 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".