Revitalize Your Home with Alamo, CA’s Trusted Exterior Remodeling Experts

If your Alamo, California home is starting to feel dated, or if rising energy bills are signaling that your windows, doors, or siding may be underperforming, Custom Exteriors is here to help. As one of the East Bay’s most trusted exterior remodeling companies, we specialize in upgrades that boost curb appeal, improve comfort, and enhance long-term energy efficiency. From premium window replacements to stunning new doors and durable siding solutions, we bring craftsmanship, high-quality products, and decades of experience to every home we serve.

Premium Window Replacement for Energy Efficiency & Style

Drafty, aging windows can drastically impact indoor comfort and utility costs. Our window replacement services are designed to solve those problems with beautiful, energy-saving solutions built for Northern California homes.

Custom Exteriors proudly installs top brands, including:

• Infinity® from Marvin – industry-leading fiberglass windows built with Ultrex® strength
• Anlin Windows – high-performance vinyl windows known for efficiency and value

Whether your Alamo home features contemporary architecture or classic custom design, we offer an extensive selection of styles such as casement, double-hung, sliders, picture windows, bay & bow, and more. Choose from fiberglass, wood-clad, or vinyl frames—each installed by our AAMA-Certified Master Installers for a tight, secure, and lasting fit.

The result? A quieter, more energy-efficient home with windows that elevate both interior comfort and exterior beauty.

Expert Door Installation to Upgrade Security, Comfort & Curb Appeal

Your doors play a major role in your home’s security, insulation, and overall appearance. At Custom Exteriors, we offer a wide range of entry doors, patio doors, and sliding or bi-fold systems designed to add both style and strength to your home.

Our selections include:

• Customizable entry doors with enhanced security features
• Elegant French doors or contemporary sliding glass doors
• High-performance patio and bi-fold doors designed for seamless indoor–outdoor living

Every door is installed with meticulous attention to detail to ensure airtight performance, improved safety, and a fresh, modern update to your home’s exterior.

James Hardie® Fiber Cement Siding Built for Long-Term Durability

The exterior of your home needs to withstand the East Bay’s sun, wind, and seasonal weather changes. Our fiber cement siding replacement services offer long-lasting protection and timeless curb appeal through James Hardie® siding, the #1 siding brand in North America.

With James Hardie, your Alamo home benefits from:

• Excellent resistance to rot, pests, fire, and weather
• A wide range of colors, textures, and styles
• Decades of durability with minimal maintenance

Whether you're restoring the charm of a classic Alamo home or giving a modern residence a sleek new look, Hardie siding delivers unmatched performance.

Why Homeowners in Alamo Choose Custom Exteriors

At Custom Exteriors, we don’t just replace windows, doors, and siding—we transform homes. Local homeowners trust us because we offer:

• Decades of expertise serving the East Bay and Tri-Valley
• AAMA-Certified Master Installers ensuring precision craftsmanship
• Premium products chosen for longevity, efficiency, and beauty
• A personalized approach to every project, big or small

We’re committed to improving your home’s comfort, value, and long-term performance.

Schedule a Free Consultation

Don’t let worn-out windows, fading siding, or drafty doors hold your home back. Contact Custom Exteriors today to schedule a free in-home consultation and discover how our window, door, and siding solutions can transform your Alamo, CA home.

Your upgraded, energy-efficient, beautifully refreshed exterior starts here.

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