10 Best Window Replacement Companies in Moraga, CA

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Last Updated: February 25, 2025

Whether you're making significant home repairs or are simply in need of a change, replacing your windows is a great idea. Your windows play a crucial role in energy efficiency and home value. In Moraga, you could save around $579 a year on your electricity bills by replacing your windows. Potential leaks or drafts can lower your home’s energy efficiency by up to 30%, according to the Department of Energy. Choosing a window installer can be time-consuming, which is why we've put together a list of the best window installers in Moraga.

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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 Moraga

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

Educational website

Free assessment

Price transparency

Good customer service

Services Offered

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

The Glass Guru

The Glass Guru Logo

Our Rating

User Rating

1601 Enterprise Dr STE 14, Fairfield, CA 94533 (707) 348-9539 theglassguru.com

Free assessment

Educational website

Good customer service

Services Offered

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

Roxy Glass

Roxy Glass Logo

Our Rating

User Rating

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

Free assessment

Good customer service

Timely service

Educational website

Price transparency

Services Offered

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

Best Exteriors

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Our Rating

User Rating

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

Educational website

Good customer service

Price transparency

Timely service

Free assessment

Services Offered

Fiberglass frames
Wood frames
Bay windows
Glass doors
Double-hung
Vinyl frames
Energy-efficient options
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

Free assessment

Educational website

Good customer service

Services Offered

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

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

Price transparency

Timely service

Good customer service

Free assessment

Educational website

Services Offered

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

Sunset Glass Inc

Sunset Glass Inc Logo

Our Rating

User Rating

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

Educational website

Free assessment

Services Offered

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

Celtic Glass, Inc.

Celtic Glass, Inc. Logo

Our Rating

User Rating

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

Good customer service

Price transparency

Educational website

Free assessment

Services Offered

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

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

J & M Windows and Glass

J & M Windows and Glass Logo

Our Rating

User Rating

745 E McGlincy Ln, Campbell, CA 95008 (408) 371-7255 jandmglass.com

Educational website

Timely service

Free assessment

Good customer service

Price transparency

Services Offered

Mirrors
Glass showers
Bay windows
Double-hung
Glass doors
Window replacement/installation
Skylights
Energy-efficient options
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 Moraga?

Window installation and replacement costs depend on several 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, Moraga homeowners 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

New, energy-efficient windows can significantly enhance your home's appearance, comfort, insulation, noise reduction, and value. Obvious signs that it's time for window replacement include the following:

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

How To Choose a Window Company

For a successful window replacement, you want to hire an installer with proven expertise. Below, we outline the most important criteria for selecting a window installer.

Experience

Make sure you hire a seasoned local installer with a long record of successfully installing and replacing windows. Providers that have been operating locally for many years are more likely to have a deep knowledge of the local climate and local homeowners' needs. Get references from recent clients to learn more about a provider’s service.

Certifications

Choose companies that are certified by leading window brands, and that have Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Certification means they've been properly trained in installation best practices. Make sure installers are staff rather than subcontractors, and confirm the technicians doing your job are certified.

Reputation

Spend time reviewing online feedback, checking the Better Business Bureau, and requesting local references. Review customer feedback to make sure that a company regularly provides good workmanship and customer service. Avoid companies with complaints of poor work or unfinished jobs.

Process

The right company will take time to provide you with a detailed project plan, timeline, expectations, and reviews of all material and installation options. Beware of unclear quotes or timelines that don't provide enough specifics upfront. Look for ongoing communication throughout the process to avoid surprises once the project gets underway.

Warranties

Seek out contractors that stand behind their work and provide warranties on products and labor. This demonstrates confidence in their window installations. Look for unlimited lifetime warranties that can be transferred to new homeowners.

Materials

Confirm that your window installer offers windows built for longevity as well as leading energy-efficient window bands that fall within your budget. Research choices with good energy ratings, enhanced UV protection, and design flexibility. Verify that the materials have their own manufacturer warranties.

Frequently Asked Questions About Window in Moraga, CA

In Moraga, the best time to install windows is when temperatures are mild, generally during spring, winter or fall. This allows professionals to work with less worry about the weather.

The best type of replacement windows for your Moraga home depends on the year your home was built –the average house in Moraga was built around 1967. If your home was built a while ago, you may want to consider 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 great for older homes. For newer homes, you might want to consider vinyl windows, which are durable, affordable and have a modern look.

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

The window installation process typically takes a day or two for a typical home. But 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.

Replacing your own windows can be a complex task, especially in Moraga, where temperatures can get quite hot. It's generally best to get a professional window installer. They have the knowledge and experience to ensure your windows are properly installed and that you get the most out of your investment.

If you live in a drier climate like Moraga, you may only need to clean off any debris or dirt buildup on the windows occasionally. Additionally, you need to inspect your windows every month to make sure they're working correctly. It's also a good idea to have a professional inspect your windows annually for any hidden damages or issues.

Other Moraga, CA Home Services

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