Expert Advice On Improving Your Home

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10 Best Window Replacement Companies in Novato, CA

More than 380 people have received a free quote in the last 60 days.

Last Updated: February 25, 2025

Windows play a big role in the appearance of your house, as well as its energy efficiency. Upgrading your windows is an excellent way to increase the value of your home. Outdated windows can cost you in energy bills — about an extra $461 a year in Novato. The Department of Energy estimates that about 30% of your house’s heat or cool air could be lost through your windows. When looking for a window installation company, it's important to pick the right one, so we've assembled this guide to the best window installation companies in Novato.

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.
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 Novato

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

Free assessment

Educational website

Good customer service

Price transparency

Services Offered

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

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

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

Roxy Glass

Roxy Glass Logo

Our Rating

User Rating

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

Good customer service

Timely service

Price transparency

Free assessment

Educational website

Services Offered

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

Best Exteriors

Best Exteriors Logo

Our Rating

User Rating

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

Price transparency

Educational website

Timely service

Good customer service

Free assessment

Services Offered

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

Good customer service

Educational website

Price transparency

Free assessment

Services Offered

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

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

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

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

Free assessment

Good customer service

Educational website

Timely service

Price transparency

Services Offered

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

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

Educational website

Free assessment

Good customer service

Services Offered

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

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

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

Window Factory

Window Factory Logo

Our Rating

User Rating

2100 Redwood Hwy, Greenbrae, CA 94904 (415) 924-3300 bayareawindowfactory.com

Good customer service

Free assessment

Educational website

Services Offered

Wood frames
Vinyl frames
Window replacement/installation
Bay windows
Metal frames
Glass doors
Fiberglass frames
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 Novato?

The price of window installation or replacement varies based on 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, Novato homeowners spend about $300 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 substantially improve your home's value, noise reduction, appearance, insulation, and comfort. Obvious signs that it's time for window replacement include the following:

  • Condensation issues, fogging between window panes, or rotting window frames that allow moisture intrusion into the home.
  • Outdated and inefficient window styles that detract from your home’s curb appeal.
  • Drafts and cold air coming in from old, loose-fitting windows.
  • High energy bills and discomfort due to poor insulation.
  • Windows that are hard to close, open, and lock properly due to age and wear.

How To Choose a Window Company

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

Experience

Seek out an established local window company with many years or decades of success installing all window types. Seasoned providers are more likely to understand Novato's climate and will know how to meet your needs. To confirm a company deliver quality work, request references from recent customers.

Certifications

Choose an installer that’s certified like leading window companies, and that has Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Proper certification shows they've received appropriate instruction in installation best practices. Make sure installers are staff, not subcontracted laborers, and confirm that the technicians assigned to your job have certification.

Reputation

Spend time reading through online reviews, checking the Better Business Bureau (BBB), and asking for local references. Review customer feedback to make sure that a company delivers consistent quality workmanship and great 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 regular communication throughout the process to avoid surprises later on.

Warranties

Look into window installers that provide installation guarantees on labor and materials. This displays confidence in their work. Research companies with unlimited lifetime warranties that can pass to new homeowners.

Materials

Confirm that your window installer offers durable, long-lasting windows and leading energy-efficient window bands that fall within your budget. Research choices with design flexibility, enhanced UV protection, and good energy ratings, and verify that the materials have their own manufacturer warranties.

Frequently Asked Questions About Window in Novato, CA

In Novato, the ideal time to install windows is during the late fall when the temperatures are milder, so the windows can seal and settle properly. A good local window installer in Novato will be able to explain when the best time is to install windows on your house.

The best type of replacement window for your Novato home will depend on your home's age, as well as your style preference and budget. You'll want to consider the style of your home — such as if it's newer — so your new windows match. Wood windows can give a classic look and feel, while vinyl-framed windows tend to be popular in newer homes. Fiberglass-framed windows are also a popular choice, as they are energy efficient and long-lasting.

The types of window that typically last longest are ones crafted from vinyl or wood, with double glaze for extra insulation. Vinyl windows are famous for their durability and require little maintenance, and wood windows offer a more traditional look. Tripling up on the glazing will help reduce energy costs in the long run.

The typical window installation process can take anywhere from one to two days, depending on the size and number of windows being replaced. This includes taking out the old windows, measuring for the new windows, installing the new windows, and caulking them in place. In general, it takes around 30 minutes to install each window.

You should clean off any debris or dirt buildup from the windows when they get dirty. Additionally, you should inspect your windows every month 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 potential damages or issues.

Window companies in Novato typically offer a wide range of services, including measuring and installing new windows, repairing existing windows, swapping out window glass, and installing window treatments. They may also offer additional services such as weatherproofing or cleaning.

Other Novato, CA Home Services