East Bay's Windows and doors Replacement & installation Professionals
Premium American-made products you can trust.
At Windows4U, we deliver exceptional window and door solutions tailored specifically for homeowners in Walnut Creek and throughout the East Bay.
Get Your FREE Estimate
A beautiful home starts here.
Window Installation & Replacement
Exterior & Entry Door Replacement
Sliding & Patio Door Replacement
Free estimates
We provide a free price estimate for your project with no hidden fees
competitive prices
Our prices are fair and fit your budget without cutting quality
lifetime warranty
Majority of products come with a lifetime warranty for your peace of mind
simple process
We take care of everything to make your project smooth and easy, with long term warranty on installation
East Bay Window & Door Replacement You Can Trust
Windows4U is a family-owned window and door installation company proudly serving the East Bay. We specialize in professional window replacement and custom door installations designed to improve energy efficiency, comfort, and security. With years of hands-on experience, we focus on quality craftsmanship and getting the job done right the first time.
Why Choose Windows4U for Window Replacement in the East Bay
Local East Bay experts who understand Bay Area homes
High-quality, energy-efficient windows and doors
Clean, reliable, and on-time installations
Honest pricing with no compromise on workmanship
Window & Door Replacement Done Right
Accurate measurements and proper fit for every opening
Professional installation that meets manufacturer specifications
Energy-efficient window and door options based on your home’s needs
Clean job sites and protection of interior finishes
Clear timelines, pricing, and project scope before work begins
- No obligation
- Clear pricing
- 25+ Years Experience
Get a Window Estimate Without an In-Home Visit
Busy schedule? Prefer fewer in-home appointments? We offer remote estimates to make the process easier. By sending us basic window measurements and photos, we can provide a clear price range before scheduling any visit. This helps homeowners in Walnut Creek move forward faster, with more confidence and less disruption.
Trusted Window Replacement Company The East Bay, CA
Windows 4U provides professional window replacement and door installation services for homeowners in Walnut Creek, CA. Our team specializes exclusively in windows and doors, allowing us to deliver precise installations, clean workmanship, and consistent results.
With over 20 years of combined experience in the window industry and more than 1,000 satisfied homeowners across the East Bay, we focus on doing the job right — without sales pressure or unnecessary delays.
Why Choose Windows4U for Window Replacement in the East Bay
Local East Bay, licensed and insured experts with 25+ years of experience
High-quality, energy-efficient windows and doors
Clean, reliable, and on-time installations
Honest pricing with no compromise on workmanship
- Only top trusted American made brands
Our Simple Window Replacement Process
Get Your Free Estimate
Send us your window photos and basic measurements to (925) 393-3578 for a fast remote estimate, or request an on-site visit if needed. We’ll give you clear pricing and options.
Measurements & Product Selection
Once you’re ready to move forward, we confirm measurements and help you choose the right window or door style for your home. We’ll make sure everything fits, performs well, and matches your project goals.
Professional Installation
Our licensed, insured in-house installers handle the job from start to finish (CA Lic #1097508). We focus on clean workmanship, proper sealing, and respectful work around your home.
Final Walkthrough & Clean Finish
After installation, we inspect the work, verify smooth operation, and clean the area. You’ll get a final walkthrough so you feel confident everything is done right.
Join the Windows4U Family, See What Our Customers Say!
FAQ
ask us
anything
Is there a minimum order for window or door installations?
No, there is no minimum order! Whether you need just one window replaced or a full house installation, we’re happy to help with projects of any size.
Do you replace broken glass in existing windows?
No, we do not replace broken glass in existing windows. We specialize in the installation of new windows and doors to ensure the highest quality and energy efficiency for your home.
Do you offer a warranty?
Yes! We provide a lifetime warranty on the products we install and a 4-year warranty on our installation services, giving you peace of mind with your investment.