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A New Front Door Changes How Tri-Valley Homeowners Feel About Coming Home

Drafts, fading, and a door that no longer locks the way it should are signs the seal failed years ago. We install Infinity from Marvin and ProVia entry and patio doors built for the Tri-Valley's heat, wind, and wet winters, fitted by our own AAMA Certified Master Installers, not a subcontractor crew.d on your project, contact Custom Exteriors, Inc. today!

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Most homeowners come to us after noticing one specific problem, a door that drags, a draft they can feel standing in the hallway, or a patio slider that's stopped sealing against rain. The door itself is the product. What you're actually buying is what it solves.

Lower energy bills, year-round | A door that's lost its seal is a year-round draft. Our fiberglass doors hold their seal through 100°F summers and cold, wet winters in ways a warped or swollen wood door can't.
Less upkeep, not more | Fiberglass doesn't warp, crack, or rot the way wood does, and it won't dent like steel. No annual repainting, no re-caulking every other year.
Resale value before you list | Entry doors are consistently one of the highest-ROI exterior upgrades. It's the first thing a buyer, or an appraiser, touches.

Why a premium door costs more upfront, and what that actually buys you

Fiberglass entry and patio doors cost more than the steel or composite options at a big-box store. Here's the honest version of why: fiberglass doesn't expand and contract at the rate steel does, so the seal around the frame stays tight for decades instead of years. It won't dent the way steel does, and it won't rot the way wood does. Over twenty years, the math usually favors fiberglass, fewer repairs, fewer repaints, one installation instead of two.

Material	Best for	Trade-off
Steel	Budget-focused homeowners	Dents, can rust at the edges over time
Wood	Traditional aesthetics	Requires regular repainting and resealing
Fiberglass (Infinity from Marvin, ProVia, ThermaTru)	Long-term durability, low maintenance, energy performance	Higher upfront cost

Why Custom Exteriors

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AAMA Certified Installers

AAMA (American Architectural Manufacturers Association) certification is the highest installer credential in the window and door industry. Most installers. even experienced ones, are not AAMA certified. Ours are, and they're our full-time employees, not subcontractors hired job by job.

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30K+Projects Completed

Over 30,000 completed projects in Pleasanton, Dublin, Livermore, San Ramon, Danville, Walnut Creek, and surrounding communities. That's not a national average, it's work done by the same team that will be on your project.

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Local Showroom in Pleasanton

Our Pleasanton showroom has full-size displays of siding, windows and doors. The difference in our materials must be seen to be understood.

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29 Years in the same location

We've been at 2142 Rheem Drive in Pleasanton since 1997, serving the same communities under the same name. If something goes wrong with your installation in year three, we're still here to make it right.

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Recognized by

When you're comparing contractors, third-party recognition gives you something to verify beyond what we say about ourselves.

You cannot judge a door from a photo.

A sliding door's operation, a french door's details, a bi-fold panel's weight, an entry door's hardware feel, none of that comes through on a screen. Our Pleasanton showroom has full-size Infinity from Marvin patio doors and ProVia and ThermaTru entry door displays you can operate in person.

See the difference between fiberglass and vinyl side by side. Work through configuration options with a design consultant. Come in with questions and leave with answers, not a sales pitch.

Schedule a Showroom Visit

Special Offer!

18 Months ZERO Payments + ZERO Interest
OR
4.99% Financing on Approved Credit

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What Our Clients Are Saying

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

Brian I.

"We have used Custom Exteriors on many occasions over the years. We are in Lafayette and love that they service this area. We think the work is fantastic, both for windows and doors. We had Anlin sliding doors (2) and a back door installed in May 2021. We had a question about how the doors were locking and the next day the owner himself (Jeff) made a personal appearance and solved all our issues in about 10 minutes! Talk about customer service! We look forward to using Custom Exteriors for many years into the future."

Dave A.

"We had Custom Exteriors install a sliding glass door in our bedroom. Everyone from sales to the installers were professional, kind, punctual, respectful. We love the quality of the door. The team that installed to care to clean up afterwards. They also went above and beyond to try and match our wood trim. I highly recommend this company."

LM B.

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Why Custom Exteriors

Recognized by

18 Months ZERO Payments + ZERO Interest OR 4.99% Financing on Approved Credit

Inspiration Gallery

Brands We Trust

What Our Clients Are Saying

18 Months ZERO Payments + ZERO Interest
OR
4.99% Financing on Approved Credit