Infinity® by Marvin
Fiberglass Windows

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Infinity from Marvin® Windows: Premium Replacement Windows for Pleasanton Homes

Looking for the best window replacement in the San Francisco Bay Area? Custom Exteriors is a certified Infinity from Marvin dealer, trusted by homeowners across the East Bay and beyond. Infinity windows are crafted from Ultrex® fiberglass, offering unmatched durability, timeless design, and superior energy efficiency. These windows are ideal for Bay Area climates with cool coastal air and warm inland sun. Discover why Infinity from Marvin selected Custom Exteriors as their exclusive Bay Area partner for professional installation, expert design guidance, and lasting performance.

For homeowners considering window replacement in Pleasanton, California, experience matters. Our team has completed more than 28,000 home improvement projects throughout Pleasanton and the surrounding Tri-Valley area, giving us deep familiarity with local homes, building requirements, and design styles. We offer a free, no-pressure consultation to help you explore the best window options for your home, and every project is handled by our long-tenured project managers and in-house installation team (never subcontractors). This approach ensures consistent quality, clear communication, and a smooth installation process from start to finish.

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Infinity from Marvin Window Styles for Tri-Valley Area Homes

Infinity from Marvin® gives Bay Area homeowners a complete selection of premium fiberglass window styles designed to enhance natural light, boost energy efficiency, and elevate curb appeal. Each window is built with Ultrex® fiberglass. Ultrex® is a proprietary material that’s up to eight times stronger than vinyl, ensuring long-term performance in the East Bay’s coastal, sunny, and variable climate. From modern picture and casement windows that open up your view to timeless double-hung and bay windows that suit classic California ranch-style homes, every design is engineered for strength, beauty, and lasting value.

Popular Window Styles

Picture Windows

Why Choose Custom Exteriors?

We’ve built a reputation for providing the best possible value on truly custom remodeling solutions that help homeowners fall in love with their homes again. Whether you're looking for window replacement, siding replacement or want new doors, our Pleasanton team is ready to help.

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Experience

With over a quarter-century in business and 28,000+ projects to our name, our legacy in the Pleasanton area speaks volumes about our reliability and skill.

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Trained Installers

Our team consists of AAMA Certified Master Installers, committed to delivering exceptional service and ensuring seamless installations for every project.

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Premium Products

We handpick superior products from trusted manufacturers like Infinity from Marvin, James Hardie, and ProVia, ensuring you receive nothing but the best.

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Superior Service

Our Five Core Values of Integrity, Pride, Effort, Thoughtfulness, and Attention to Detail underscore our dedication to delivering a customer experience that exceeds expectations.

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Up to 30% Off
James Hardie Siding

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Up to 20% Off
Windows & Doors

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Convenient Financing Options

We install top-quality products at competitive prices and provide financing options to make your exterior remodel convenient, with approved credit.

Financing

Five-Star Reviews

Read Our Testimonials

"Loved working with Custom Exteriors. Very responsive to inquiries. Precise in their measurements, estimate and timeframe for completion. Highly recommend them."

Brian I.

Tampa, FL

"Custom Exteriors provided a great product and good service in replacing 2 sliding glass doors and 2 other windows in my townhouse. One was a custom window that required extra work in refitting the plantation shutters to the new window. Although there were some bumps along the way, Jeff and his foreman Ryan excelled at follow up. I would recommend Custom Exteriors."

Carole N.

Tampa, FL

"Custom Exteriors did a wonderful job. The installation crew were neat and thorough. My salesman Mark kept me informed about delivery and the windows are beautiful, quiet and warm house. I’m very pleased."

Susan G.

Tampa, FL

"Kevin one of the owners of Custom Exteriors contacted me the following day and immediately tried to make things right. The first thing, I was impressed about was he took my call without hesitation. Many medium sized business will bounce me around to different people before finally being able to talk to the owner. He was an attentive listener and took to the time understand my needs and wants in an exterior entry door.His communication was top notch, sending me estimates the same day or the following day. He gave me choices in fiberglass doors: ProVia and Therma-Tru, hardware: Trilennium vs Emtek, and single point vs multiple point locks. I just ordered a ProVia doors through Kevin. This surprised both to my husband and me. Before contacting Custom Exteriors, we thought we were going to get a Therma-Tru door, but that totally changed once we the information we needed from Kevin. I get the sense that he truly wants to give customers options and information, but respects the customer's final decision. There is not high pressure sale pitch. Kevin wants customers to be informed and happy with the end product."

Hellen K.

Tampa, FL

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