10 Best Window Replacement Companies in Clayton, CA

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Last Updated: February 25, 2025

Whether you want to improve your home's value or decrease your energy bills, upgrading your windows is a great idea. In Clayton, you could save around $579 a year on your energy bills by upgrading your windows. Drafty or damaged windows can lower your home’s energy efficiency by up to 30%, according to the Department of Energy. Selecting the right company for you is an important decision. That's why we've put together this list of the top window installation companies in Clayton.

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Top Pick
4.1/5
  • Great quality
  • Free assesment
  • Timely Service
Most Customizable
4.0/5
  • Holds high customer ratings
  • Offers energy-efficient products
  • Provides a lifetime labor warranty
Best Customer Service
4.0/5
  • Award winning company
  • Products made in the US
  • Knowledgeable sales representatives

Top 10 Best Window Replacement Companies in Clayton

Advertisement This site receives compensation from some of the companies featured in this listing, which may impact where and how products appear. When you click "Get Quote," you will be connected with partners who may contact you with information related to your inquiry. This listing doesn't feature all companies, products, or offers that may be available.

Renewal by Andersen of San Francisco

Renewal by Andersen of San Francisco Logo

Our Rating

User Rating

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

Price transparency

Free assessment

Good customer service

Educational website

Services Offered

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

The Glass Guru

The Glass Guru Logo

Our Rating

User Rating

9100 Elkmont Way, Elk Grove, CA 95624 (916) 735-4960 theglassguru.com

Educational website

Free assessment

Price transparency

Timely service

Good customer service

Services Offered

Screen repair
Skylights
Energy-efficient options
Fiberglass frames
Metal frames
Vinyl frames
Custom glass
Storm/impact windows
Window replacement/installation
Glass showers
Wood frames
Glass doors
Mirrors
Glass repair
Window repair
Triple pane glass
Tempered glass

Southgate Glass

Southgate Glass Logo

Our Rating

User Rating

6852 Franklin Blvd, Sacramento, CA 95823 (916) 421-1723 southgateglass.com

Educational website

Good customer service

Free assessment

Services Offered

Skylights
Custom glass
Tempered glass
Mirrors
Wood frames
Glass repair
Glass doors
Glass showers
Window replacement/installation
Vinyl frames
Bay windows
Screen repair

Roxy Glass

Roxy Glass Logo

Our Rating

User Rating

7401-A Morton Ave, Newark, CA 94560 (510) 400-7788 bayareawindowglass.com

Free assessment

Educational website

Good customer service

Price transparency

Timely service

Services Offered

Custom glass
Glass doors
Tempered glass
Energy-efficient options
Triple pane glass
Glass repair
Bay windows
Mirrors
Glass showers
Window replacement/installation

Best Exteriors

Best Exteriors Logo

Our Rating

User Rating

1999 Harrison St #10219, Oakland, CA 94612 (510) 327-0277 bestexteriors.com

Timely service

Price transparency

Educational website

Free assessment

Good customer service

Services Offered

Energy-efficient options
Vinyl frames
Fiberglass frames
Glass doors
Bay windows
Double-hung
Wood frames
Window replacement/installation

California Glass of Vallejo, Inc.

California Glass of Vallejo, Inc. Logo

Our Rating

User Rating

1014 Broadway, Vallejo, CA 94590 (707) 643-5609 calglassofvallejo.com

Timely service

Price transparency

Educational website

Free assessment

Good customer service

Services Offered

Glass repair
Custom glass
Custom window designs
Mirrors
Glass showers
Glass doors
Window replacement/installation
Bay windows

Super Mario Glass Inc

Super Mario Glass Inc Logo

Our Rating

User Rating

544 Lewelling Blvd b, San Leandro, CA 94579 (510) 324-8798 supermarioglass.net

Educational website

Price transparency

Good customer service

Timely service

Free assessment

Services Offered

Mirrors
Glass repair
Window repair
Bay windows
Custom glass
Glass doors
Window replacement/installation
Screen repair
Glass showers

Sunset Glass Inc

Sunset Glass Inc Logo

Our Rating

User Rating

4301 Irving St, San Francisco, CA 94122 (415) 664-1626 sunsetglassinc.com

Free assessment

Educational website

Services Offered

Fiberglass frames
Vinyl frames
Mirrors
Glass doors
Tempered glass
Metal frames
Wood frames
Glass showers
Window replacement/installation

Celtic Glass, Inc.

Celtic Glass, Inc. Logo

Our Rating

User Rating

106 Burrows St, San Francisco, CA 94134 (415) 468-0980 celticglassinc.com

Price transparency

Free assessment

Educational website

Good customer service

Services Offered

Window repair
Bay windows
Energy-efficient options
Vinyl frames
Glass showers
Wood frames
Mirrors
Glass repair
Glass doors
Window replacement/installation

Novato Glass Inc

Novato Glass Inc Logo

Our Rating

User Rating

1020 Reichert Ave, Novato, CA 94945 (415) 897-5117 novatoglassinc.com

Good customer service

Price transparency

Free assessment

Services Offered

Glass showers
Custom glass
Bay windows
Mirrors
Skylights
Window replacement/installation
Energy-efficient options
Glass doors
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 Clayton?

Window installation and replacement costs depend on a number of factors, including the number and size of the windows, how difficult your windows are to access or install, and the materials you choose. On average, homeowners in Clayton should expect to spend about $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 appearance, insulation, comfort, value, and noise reduction. Clear indicators that it's time to invest in new windows include the following:

  • High energy bills and discomfort from poor insulation around windows.
  • Cold air and drafts leaking in through old, loose-fitting windows.
  • Condensation issues, fogging between window panes, or rotting window frames letting in moisture.
  • Windows that are difficult to close, open, and lock properly due to age and wear.
  • Inefficient and outdated window styles that reduce your home’s curb appeal.

How To Choose a Window Company

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

Experience

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

Certifications

Choose an installer that’s accredited like leading window companies, and that has Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Suitable credentials indicate they've received suitable education in installation best practices. Verify that installers are staff, not subcontracted laborers, and confirm that the technicians assigned to your job have certification.

Reputation

Spend time going through online reviews, checking the Better Business Bureau (BBB), and requesting local references. Review customer feedback to verify that the company regularly provides good workmanship and customer service. Avoid companies with complaints of shoddy work or unfinished jobs.

Process

A quality window installer will be able to provide a detailed project plan, precise timelines, clear expectations, and an overview of all material and installation options. Avoid companies that provide unclear quotes or schedules. Look for ongoing contact throughout to avoid surprises once installation is underway.

Warranties

Look for window firms that offer assurances on their installations, and that provide warranties on products and labor. This shows confidence in their work. Also seek out unlimited lifetime warranties that can be transferred to new homeowners.

Materials

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

Frequently Asked Questions About Window in Clayton, CA

In Clayton, the ideal time to install windows is during the winter when the temperatures are not as high, so the windows can fit and settle properly. A good local window installer in Clayton will be able to explain when the best time is to install windows on your home.

The right type of replacement windows for your Clayton home depends on when your home was built –the average house in Clayton was built around 1984. If your home was built a while ago, you might want to consider energy-efficient windows such as double-glazed windows, which are made to keep your home cool in the summer and warm in the winter. Wood frames also have a timeless look that's perfect for older homes. For newer homes, you can think about vinyl windows, which are durable, affordable and have a modern look.

The most expensive windows are double-hung windows. They are more complex than single-hung windows, and so are more costly. Single-hung windows are the cheapest on the market. Vinyl and aluminum are the most affordable frame options.

It depends on your specific needs and budget, but generally it's recommended to replace all your windows at once if they're not energy efficient. Replacing all your windows at once ensures that you'll get the most out of your energy efficiency and can possibly save you money in the long run. This is important in Clayton, where the average energy bills are roughly $1,538 a year.

If you live in a drier climate like Clayton, you may only need to wipe away any debris or dirt buildup from the windows occasionally. Additionally, you need to check your windows monthly to make sure they're still functioning properly. It's also a good idea to get a professional to inspect your windows annually for any hidden damages or issues.

Window replacement companies in Clayton typically offer several services, such as window installation, repair, window maintenance, cleaning, window tinting, and weatherproofing.

Hiring a professional window installer helps make sure the job is done correctly. Professional installers will measure your windows properly in order to get a perfect fit and will use the right techniques and materials to ensure your windows will be correctly sealed and fitted. Additionally, professional installers are likely to have access to higher quality materials and more experience than the average homeowner, so you can expect your windows to be put in correctly and stand for years to come.

Other Clayton, CA Home Services

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