Replacement windows in Antioch, CA

Custom Exteriors replaces windows in Antioch homes with Infinity by Marvin fiberglass windows, installed by our own full-time AAMA Certified Master Installers. We don't use subcontractors. We have served East County from Pleasanton since 1997, with 30,000+ completed projects.

If your home still has the windows the builder put in, we can help you replace them once, with windows built to handle Antioch's summer heat for decades.

Schedule a no-pressure consultation

Is it time to replace your Antioch windows?

If your home was built before 2000 and still has its original windows, it is probably time. The median Antioch home was built in 1985, and most neighborhoods, from Dallas Ranch to the subdivisions off Lone Tree Way, were built by production builders using builder-grade vinyl or aluminum windows.

Those windows were designed to meet code on move-in day, not to last 30 or 40 years. Signs they are near the end:

Rooms that overheat on summer afternoons, especially on south- and west-facing walls.
Fog or condensation between the panes, which means the seal has failed.
Warped, chalky, or yellowed frames from years of strong sun.
Sashes that stick, rattle, or won't lock properly.
Drafts and outside noise from Highway 4 or nearby streets.

Newer home? If your home in Deer Valley or southeast Antioch was built in the last 10 to 15 years and its windows show none of these signs, you likely don't need replacement yet. We'll tell you that honestly during a consultation.

Why fiberglass makes sense in East County heat

Antioch's hot summers are hard on window frames, and fiberglass handles that heat better than the vinyl most builders used. Infinity by Marvin windows are made from Ultrex pultruded fiberglass, which expands and contracts at nearly the same rate as glass. Vinyl expands much more, which over years of hot afternoons can warp frames and break seals.

What that means for your home:

Seals that stay tight. Stable frames keep the glass sealed through daily heat cycles.
Glass that blocks summer heat. Low-E glass packages cut solar heat gain and meet California's Title 24 energy code. Learn how high-performance glass affects comfort and cooling costs.
A finish that doesn't chalk or yellow. Infinity's factory finish is built for strong sun.
Replace once. A window that lasts means you aren't paying for the same project again in 15 years.

For a closer look, read why fiberglass windows outperform vinyl in the East Bay or our fiberglass vs. vinyl windows comparison. Our guide to energy-efficient windows and patio doors covers glass options in more detail.

Custom Exteriors is an Infinity by Marvin Platinum Partner, and Infinity by Marvin windows are the only replacement windows we install.

Learn more about Infinity by Marvin windows

Window styles we install in Antioch

The right style depends on the room and the opening. These Infinity by Marvin styles fit most Antioch homes:

Sliding windows. The most common style in 1980s and 1990s production homes, and an easy like-for-like upgrade.
Double-hung and single-hung windows. A traditional look for two-story homes and front elevations.
Casement windows. Strong airflow for catching cooler evening air.
Picture windows. For living rooms and views toward the hills, Contra Loma, or the river.
Awning windows. Ideal over kitchen sinks and in bathrooms.
Bay windows. Adds light and depth to living and dining rooms.

Every style is on full-size display at our Pleasanton showroom.

Antioch window permits

Window replacement in Antioch requires a building permit from the City of Antioch's Building Services Division. California's energy code also requires a window compliance form with the permit application and a final inspection before the permit is closed.

Custom Exteriors handles the permit, the energy compliance paperwork, and the inspection as part of your project. You'll receive copies of the compliance forms for your records.

If your home is in a neighborhood with an HOA, check whether it reviews window color or style changes. We provide the product specifications your application needs.

Installed by our own crews, not subcontractors

Every Custom Exteriors window is installed by a full-time employee who is an AAMA Certified Master Installer. Many window problems in production homes trace back to rushed installation, not just the window itself.

Our installers choose the right installation method for each opening, whether that's a retrofit into the existing frame or a full-frame replacement when the old frame or surrounding wood is damaged. Meet the Custom Exteriors installation team, or read why employee installers vs. subcontractors matters.

Homes built before 1978

If your home is in Antioch's older neighborhoods near Downtown and Rivertown and was built before 1978, its window frames and trim may have lead-based paint. Federal law requires lead-safe work practices when that paint is disturbed.

Custom Exteriors is EPA Lead-Safe Renovation, Repair, and Painting (RRP) Certified, and we confirm whether lead-safe procedures apply before work begins. Learn more about window replacement for homes built before 1978.

Why Antioch homeowners choose Custom Exteriors

Serving East County from Pleasanton since 1997, with 30,000+ completed projects
Full-time AAMA Certified Master Installers, not subcontractors
Infinity by Marvin Platinum Partner
Diamond Certified and BBB Accredited
EPA Lead-Safe RRP Certified for pre-1978 homes
City permits, energy compliance forms, and inspections handled for you
Backed by our product and labor warranty

See what homeowners say in our customer reviews.

Frequently asked questions

Do I need a permit to replace windows in Antioch? Yes. Window replacement in Antioch requires a building permit from the City's Building Services Division, along with a state energy compliance form and a final inspection. Custom Exteriors handles all three for you.

Are fiberglass windows worth it over vinyl in Antioch? For most homeowners planning to stay, yes. Vinyl expands and contracts much more than glass in heat, which can warp frames and break seals over time. Fiberglass stays stable, so the windows last longer and keep performing. The upfront cost is higher, but you avoid replacing the same windows again.

How much does window replacement cost in Antioch? Cost depends on the number of windows, their sizes and styles, the glass package, and whether each opening needs a retrofit or full-frame installation. We provide a detailed, itemized estimate after an in-home consultation. Our window cost guide explains what moves the number, and financing is available.

What are the best windows for Antioch's hot summers? Look for a stable frame material and a Low-E glass package designed to reduce solar heat gain. Your design consultant will recommend glass by orientation, since west-facing windows take the most afternoon heat.

My windows are fogging between the panes. Can they be repaired? Fog between panes means the seal has failed, and the insulating gas has escaped. Replacing the glass alone is possible on some windows, but on aging builder-grade frames it rarely makes sense. See our tips on foggy windows.

How long does window replacement take? Installation for most homes takes one to a few days, depending on the number of windows. Because every Infinity by Marvin window is made to order, the full timeline also includes manufacturing lead time and permit approval. Your design consultant will give you a project-specific schedule.

Ready to replace the windows in your Antioch home?

Schedule a no-pressure consultation and a design consultant will look at your current windows, show you style and glass options, and give you an itemized estimate. Prefer to see the windows first? Visit our showroom at 2142 Rheem Drive, Suite E, Pleasanton.

Schedule a no-pressure consultation | Visit our Pleasanton showroom Phone: (925) 249-2280

Financing options

We offer 18 months with no payments and 0% interest if the balance is paid in full within the promotional period, or 4.99% financing on approved credit. Ask about it during your consultation.

See financing details