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10 Best Window Replacement Companies in Brentwood, CA

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Written By David Cusick

Last Updated April 2024

Windows play a big role in the appearance of your house, as well as its energy efficiency. Replacing your windows is a great way to increase the value of your home. In Brentwood, you could save almost $579 per year on your power bills by upgrading your windows. Potential leaks or drafts can decrease your home’s energy efficiency by up to 30%, according to the Department of Energy. If you can't decide on a window installation company, this guide is a great way to get started. Keep reading to discover the best window installers in Brentwood.

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Top 10 Best Window Replacement Companies in Brentwood

Renewal by Andersen of San Francisco

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30806 Santana St, Hayward, CA 94544 (510) 803-3110 renewalbyandersen.com

Educational website

Good customer service

Price transparency

Free assessment

Services Offered

Window replacement/installation
Bay windows
Double-hung
Skylights
Glass doors

BK Glass Shower & Window

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132 Cardinal Ln, Discovery Bay, CA 94505 (925) 817-9171 bkglass.net

Price transparency

Good customer service

Educational website

Free assessment

Services Offered

Window replacement/installation
Window repair
Glass showers
Glass doors
Screen repair
Energy-efficient options
Mirrors

Antioch Glass

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1207 Auto Center Dr, Antioch, CA 94509 (925) 777-9191 antiochglass.net

Price transparency

Free assessment

Good customer service

Educational website

Services Offered

Tempered glass
Window replacement/installation
Energy-efficient options
Glass showers
Glass doors
Window repair
Mirrors

Discovery Bay Glass Shower & Window

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4661 Spinnaker Way, Discovery Bay, CA 94505 (925) 683-8315 brentwoodglasscompany.com

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Free assessment

Good customer service

Timely service

Services Offered

Bay windows
Glass showers
Glass doors
Mirrors
Window replacement/installation

Brentwood Glass Shower and Window Company

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420 Beatrice Ct g2, Brentwood, CA 94513 (925) 634-9029 brentwoodglasscompany.com

Good customer service

Timely service

Free assessment

Price transparency

Services Offered

Window replacement/installation
Mirrors
Glass showers
Glass doors

East County Glass - Brentwood

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700 Harvest Park Dr Suite C, Brentwood, CA 94513 (925) 315-4111 ecglass.com

Educational website

Services Offered

Bay windows
Mirrors
Window replacement/installation
Glass showers
Glass doors

East County Glass & Window, Inc.

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441 E 10th St, Pittsburg, CA 94565 (925) 432-1433 ecglass.com

Educational website

Services Offered

Bay windows
Glass doors
Window replacement/installation
Mirrors
Glass showers

Danville Glass Shower & Windows

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4115 Blackhawk Plaza Cir STE 100, Danville, CA 94506 (925) 277-0555 danvilleglasscompany.com

Timely service

Price transparency

Free assessment

Services Offered

Glass showers
Glass doors
Mirrors
Window replacement/installation

Home Services at The Home Depot

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2500 Las Positas Rd, Livermore, CA 94551 (925) 317-1531 homedepot.com

Price transparency

Good customer service

Educational website

Free assessment

Services Offered

Energy-efficient options
Glass showers
Glass doors
Window replacement/installation

Reborn Cabinets Inc.

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1306 Stealth St a, Livermore, CA 94551 (408) 359-4093 reborncabinets.com

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Educational website

Good customer service

Price transparency

Services Offered

Glass showers
Bay windows
Window replacement/installation
Double-hung
Today's Homeowner Ranking Methodology

Today's Homeowner looks at dozens of datapoints on window replacement companies to come up with our data-driven rankings. It's not possible for a company to pay for preferential treatment in our rankings. We look at the following key factors in determining who should top our list:

  • Company Experience
  • Real User Reviews
  • Company Reputation
  • Accreditations and Licenses
  • Service Area
  • Customer Service
Have questions about our methodology or company ratings? Reach out to FindAPro@TodaysHomeowner.com.

How Much Does Window Installation Cost In Brentwood?

Window installation and replacement costs are influenced by a number of factors, including the materials you choose, the number and size of the windows, and how difficult your windows are to access or install. On average, homeowners in Brentwood spend around $280 per window*. Below are additional cost breakdowns. *Cost data based on sample pricing for window installation from multiple retailers and adjusted for local cost of living.

When To Replace Windows

Adding new energy-efficient windows can substantially enhance your home's insulation, appearance, noise reduction, comfort, and value. Clear indicators that it's time to invest in new windows include the following:

  • Windows that are difficult to open, close, and lock properly due to wear and age.
  • Inefficient and outdated window styles that reduce your house's curb appeal.
  • Discomfort and high energy bills from poor insulation around windows.
  • Cold air and drafts leaking in from old, loose-fitting windows.
  • Fogging between window panes, condensation issues, or rotting window frames that let in moisture.

How To Choose a Window Company

Hiring an experienced window installer helps ensure good results and a great experience. Below, we outline the main considerations for identifying a qualified window installer.

Experience

Look for reputable local companies with many years, ideally decades, of experience successfully installing all kinds of windows. These providers are more likely to understand Brentwood's climate and your requirements. Ask for references from recent clients to verify quality and experience.

Certifications

Select an installer that is accredited by leading window companies and associations like the Fenestration and Glazing Industry Alliance, formerly known as the AMMA. Proper certification indicates that a contractor is trained in window installation best practices. Confirm that installers are staff rather than subcontracted workers, and check that the technicians working on your home are certified.

Reputation

Spend time going through online reviews, checking the Better Business Bureau, and requesting local references. Review customer feedback to make sure that the company consistently delivers good workmanship and service. Steer clear of companies with complaints of shoddy or unfinished work.

Process

The best company will take time to provide you with a comprehensive project plan, timeline, expectations, and reviews of all material and installation options. Beware of unclear quotes or timelines that lack clear and specific information. Look for ongoing communication throughout the process to avoid surprises once the project gets underway.

Warranties

Seek out providers that stand behind their work and provide warranties on labor and materials. This demonstrates trust in their window installations. Seek out unlimited lifetime warranties that can be transferred to new homeowners.

Materials

Verify that your window company works with long-lasting, durable brands, offers energy-efficient window options, and fits your budget. Look for window options with design flexibility, enhanced UV protection, and good energy ratings. Check whether the materials have their own manufacturer warranties.

Frequently Asked Questions About Window in Brentwood, CA

In Brentwood, the optimal time to install windows is during the winter when the temperature is not as high, so the windows can fit and adjust properly. A good local window installer in Brentwood will be able to explain when the best time is to install windows on your house.

The right type of replacement windows for your Brentwood home depends on the year your home was built –the average house in Brentwood was built around 2002. If your home was built a while ago, you may want to consider energy-efficient windows such as double-pane windows, which are designed to keep your home cool in the summer and warm in the winter. Wood frames also have a timeless look that's great for older homes. For newer homes, you can think about vinyl windows, which are durable, affordable and have a modern look.

Windows made from vinyl, wood, or fiberglass are known to last the longest, with some lasting up to 45 years. Vinyl windows are particularly durable and low-maintenance, making them an excellent choice if you want windows that can last a long time. Extra glazing can help reduce your cooling and heating bills over time. This is especially helpful during Brentwood's hot summers.

The window installation process typically takes one to two days for a typical home. However, if you have many windows to install, it may take longer. Some companies can complete the project in a single day, depending on the size of the job.

In some cases, you can replace your own windows, but it's recommended to hire a professional. It's important to consider the local climate when replacing windows, as it will have an effect on the process. For example, the temperatures in Brentwood can reach an average high of 71, so you need to think about energy-efficient windows that can deflect from the heat. It's also important to measure correctly and understand the instructions for installation. Hiring a professional for your window replacement project will guarantee that everything is done correctly.

Yes, many window companies provide financing options. Some installers offer low-interest loans, although you may not qualify if your income is on the higher end, while other companies provide special financing plans with terms and conditions that vary depending on the project.

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