

Replacement Windows, Siding & Doors in Pleasanton
The East Bay’s most experienced exterior remodeling company
Serving Pleasanton, Dublin, Livermore, San Ramon, and the surrounding Tri-Valley since 1997. We install Infinity from Marvin windows, James Hardie fiber cement siding, and ProVia entry doors. Our AAMA Certified Master Installers (American Architectural Manufacturers Association) are full-time Custom Exteriors employees, not subcontractors. We are are also EPA Lead-Safe Certified for Older (Pre-1978) Bay Area Home Renovation Safety.
Meet With a Design Expert in Our Showroom
Why The Materials You Choose Matter More Than Most Contractors Will Tell You
The Bay Area puts exteriors through a demanding combination of conditions: coastal moisture, inland summer heat that can reach 105°F in the Tri-Valley, and year-round sun exposure that degrades finishes faster than most product warranties acknowledge.
- Lower energy bills year-round — proper seal integrity and multiple glass/insulation packages reduce heat gain and loss.
- Improved comfort throughout the home — no cold spots in December, no unbearable rooms in August.
- Quieter interior — premium glazing and construction reduce exterior noise.
- Increased resale value — named manufacturer warranties transfer with the home.
- Virtually no maintenance — fiberglass and fiber cement don't rot, warp, or require repainting.
- Curb appeal that holds — dozens of color, profile, and style options across all three product lines.
Common Questions from Bay Area Homeowners
How much do replacement windows, siding, or entry doors cost in the East Bay?
Pricing varies based on your home’s size, the products selected, and the scope of installation. Premium products like Infinity from Marvin fiberglass windows and James Hardie fiber cement siding carry a higher upfront cost than vinyl or builder-grade alternatives. They also last significantly longer and require far less maintenance, and in most cases, the long-term math favors the better product.
We provide free, no-pressure estimates with itemized pricing. We’d rather help you understand your options than give you a number that surprises you later.
Are fiberglass windows worth the additional cost compared to vinyl?
For most Bay Area homeowners, yes. Fiberglass expands and contracts at nearly the same rate as the glass itself, which means seals stay intact longer. particularly across the wide temperature swings between Tri-Valley summers and wet winters. Vinyl doesn’t behave the same way, and the difference in seal integrity becomes visible over time. Infinity from Marvin fiberglass windows also qualify for multiple glass packages that meet California’s Title 24 energy standards.
Is James Hardie siding worth it compared to vinyl or wood?
Fiber cement siding costs more upfront than vinyl. It also lasts two to three times longer with dramatically less maintenance. Over a 20-year window, the economics typically favor James Hardie. For homeowners near wildfire-prone areas of the East Bay, the non-combustible construction adds a layer of protection that vinyl cannot offer. We invite homeowners to visit our Pleasanton showroom, where you can explore full-size product displays, compare styles, and speak with our team. Seeing and touching the materials in person helps you make a more confident decision.
Can I see the products before making a decision?
Yes, and we strongly encourage it. Our Pleasanton showroom has full-size displays of the products we install, including fiberglass windows, James Hardie siding samples in multiple finishes, and entry door configurations. Seeing and handling the materials in person removes the uncertainty from the decision. Schedule an appointment to visit our showroom during the week or from 10-2 on Saturday.
What makes Custom Exteriors different from other contractors?
A few things worth verifying rather than taking on our word: we’ve been at the same location in Pleasanton since 1997 with over 30,000 completed projects in the East Bay. Our installers are full-time Custom Exteriors employees. not subcontractors. and they hold AAMA Certified Master Installer credentials. We’re Diamond Certified based on independent customer satisfaction surveys. We’re an Infinity from Marvin Platinum Partner. Custom Exteriors is EPA Lead-Safe Renovation, Repair, and Painting (RRP) Certified, a federal certification required for renovation work on homes built before 1978, where lead-based paint may still be present. And we have a physical showroom where you can see every product we install before you commit.
A Seamless Remodeling Experience with Custom Exteriors
As a leading exterior remodeling company, Custom Exteriors prides itself on delivering a smooth and worry-free window, siding and door replacement process. We start with a thorough consultation, providing comprehensive design guidance to ensure that every detail aligns with your vision for your home as well as your needs and budget.
Our project team brings decades of hands-on experience working with homes throughout Pleasanton and the surrounding Tri-Valley area. We understand the architectural styles, neighborhood requirements, and local considerations that matter most when planning a window, siding, or door replacement project. Our experts provide thoughtful design guidance, product recommendations, and clear planning support to help you make confident decisions and achieve the best result for your home.
Our team of full-time installers (not sub-contractors) brings your project to life with precision and care, keeping you informed at each step. Our installers undergo extensive training and have advanced credentials, such as AAMA certification, so you can rest easy knowing they’ll deliver superior workmanship. Most importantly, we uphold our Five Core Values throughout, guaranteeing a customer experience marked by Integrity, Pride, Effort, Thoughtfulness, and meticulous Attention to Detail.






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