10 Best Window Replacement Companies in Foster City, CA

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Last Updated: February 25, 2025

Whether you want to improve your home's value or decrease your energy bills, replacing your windows is a great idea. In Foster City, you could save almost $440 per year on your electric 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. Picking the best company for you is an important decision. That's why we've created this list of the best window installation companies in Foster City.

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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 Foster City

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

Price transparency

Educational website

Good customer service

Services Offered

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

The Glass Guru

The Glass Guru Logo

Our Rating

User Rating

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

Good customer service

Educational website

Free assessment

Services Offered

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

Roxy Glass

Roxy Glass Logo

Our Rating

User Rating

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

Timely service

Educational website

Free assessment

Good customer service

Price transparency

Services Offered

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

Best Exteriors

Best Exteriors Logo

Our Rating

User Rating

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

Free assessment

Price transparency

Educational website

Good customer service

Timely service

Services Offered

Bay windows
Vinyl frames
Wood frames
Glass doors
Double-hung
Fiberglass 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

Free assessment

Price transparency

Educational website

Timely service

Good customer service

Services Offered

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

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

Free assessment

Timely service

Price transparency

Good customer service

Services Offered

Screen repair
Window repair
Mirrors
Bay windows
Window replacement/installation
Glass doors
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

Educational website

Free assessment

Services Offered

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

Free assessment

Price transparency

Educational website

Services Offered

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

North Glass Windows & Doors

North Glass Windows & Doors Logo

Our Rating

User Rating

105 Main St, Ben Lomond, CA 95005 (831) 336-2288 northglass.net

Good customer service

Free assessment

Price transparency

Services Offered

Window replacement/installation
Custom glass
Mirrors
Glass doors
Glass repair
Window repair
Skylights
Glass showers

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

Good customer service

Free assessment

Timely service

Price transparency

Services Offered

Bay windows
Double-hung
Mirrors
Window replacement/installation
Glass doors
Skylights
Glass showers
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 Foster City?

The amount you'll spend on window installation or replacement is influenced by several factors, including how difficult your windows are to access or install, the materials you choose, and the number and size of the windows. On average, Foster City homeowners should expect to spend roughly $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 significantly enhance your home's noise reduction, insulation, value, appearance, and comfort. Obvious signs that it's time for window replacement include the following:

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

How To Choose a Window Company

Hiring an experienced window installation professional contributes to a great experience and excellent results. Below, we outline the main criteria for selecting a qualified window installer.

Experience

Find an established local window company with many years or decades of success installing all window types. Seasoned providers are more likely to be able to seamlessly accommodate Foster City's climate and local homeowner needs. To confirm a company deliver quality work, request references from recent customers.

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. Suitable credentials show that a contractor is trained in window installation best practices. Confirm that installers are staff, not subcontractors, and check that the technicians working on your project are certified.

Reputation

Take time to read online reviews, check the Better Business Bureau (BBB), and request local references. Review customer feedback to verify that the company regularly provides good workmanship and service. Steer clear of companies with complaints of poor or incomplete work.

Process

A good window installer will be able to provide a comprehensive project plan, reasonable timelines, clear expectations, and an overview of all material and installation options. Avoid companies that provide ambiguous quotes or schedules. Insist on consistent contact from the beginning to avoid surprises further into the project.

Warranties

Seek out window firms that offer assurances on their installations, and that offer warranties on products and labor. This demonstrates faith in their work. Also seek out unlimited lifetime warranties that can transfer 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 good energy ratings, enhanced UV protection, and design flexibility. Check whether the materials include their own manufacturer warranties.

Frequently Asked Questions About Window in Foster City, CA

In Foster City, the optimal time to install windows is during the late fall when the temperature is milder, so the windows can seal and adjust properly. A good local window installer in Foster City will be able to tell you when the best time is to install windows on your house.

The right type of replacement windows for your Foster City home depends on the year your home was built –the average house in Foster City was built around 1976. For older homes, 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 perfect for older homes. For newer homes, you might want to think about vinyl windows, which are affordable, durable and have a modern look.

Windows made from fiberglass, wood, or vinyl tend to last the longest, with some lasting for close to 45 years. Vinyl windows are particularly durable and low-maintenance, making them a good choice if you want windows that can last a long time. Adding more glazing can help reduce your heating and cooling bills over time.

The typical window installation process takes anywhere from one to two and a half days, depending on the size and number of window openings being replaced. This includes removing 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.

In some cases, you can replace your own windows, but it's better to hire a professional. It's important to consider the local temperature when replacing windows, as it will impact the process. For example, the temperatures in Foster City can reach an average high of 65, so you need to consider energy-efficient windows that can protect 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 installers offer payment plans for their services. Different companies have their own financing options, so you should do your research to find the best option for you. Depending on your income level, which is a median of $191,267 a year in Foster City, you may be able to qualify for special financing.

Getting windows installed by a professional can provide a number of benefits. Professional installers can make sure that your windows are properly fitted, weatherproofed, and insulated, minimizing air leakage and maximizing energy efficiency. Professional installers are also trained in the necessary tools and techniques to do the job right, which can save you time and money.

Other Foster City, CA Home Services

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