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10 Best Window Replacement Companies in Union City, CA

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Written By David Cusick

Last Updated April 2024

Upgrading your windows can be expensive, but is a great way to increase the energy efficiency and value of your home. If your windows are drafty or damaged, 25–30% of your house’s heat or cool air could be leaking out, according to the Department of Energy. In Union City, this can equal an extra $461 a year on your electricity bills. If you can't decide between window installers, you've found a great way to get started. Keep reading to find the best window installation companies in Union City.

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Top 10 Best Window Replacement Companies in Union City

Renewal by Andersen of San Francisco

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

Educational website

Free assessment

Price transparency

Good customer service

Services Offered

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

Roxy Glass

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

Timely service

Good customer service

Educational website

Free assessment

Price transparency

Services Offered

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

Super Mario Glass Inc

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

Free assessment

Good customer service

Price transparency

Timely service

Educational website

Services Offered

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

Pella Windows & Doors of Northern California

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2251 Claremont Ct, Hayward, CA 94545 (844) 537-3552 pellabranch.com

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Price transparency

Educational website

Good customer service

Services Offered

Bay windows
Wood frames
Window replacement/installation
Glass doors
Double-hung

Glass Doctor of The Bay Area

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773 Berry Ave, Hayward, CA 94544 (510) 264-5277 glassdoctor.com

Price transparency

Educational website

Good customer service

Services Offered

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

Cal Coast Window & Door

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5673 W Las Positas Blvd Suite 203, Pleasanton, CA 94588 (925) 398-8184 calcoastwindows.com

Good customer service

Educational website

Price transparency

Free assessment

Services Offered

Bay windows
Window replacement/installation
Energy-efficient options
Glass doors

Custom Exteriors, Inc

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2142 Rheem Dr ste e, Pleasanton, CA 94588 (888) 957-7800 custom-exteriors.com

Educational website

Good customer service

Free assessment

Price transparency

Services Offered

Energy-efficient options
Window replacement/installation
Custom window designs
Bay windows
Glass doors

R & M Quality Windows & Doors

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5588 Central Ave #A, Newark, CA 94560 (510) 796-0100 randmqualitywindowsanddoors.com

Good customer service

Educational website

Timely service

Free assessment

Price transparency

Services Offered

Glass doors
Bay windows
Window replacement/installation

Roadrunner Glass

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4246 Peralta Blvd, Fremont, CA 94536 (510) 792-5347 roadrunnerglass.com

Price transparency

Good customer service

Free assessment

Services Offered

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

Hayward Glass Window and Door Repair

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21365 Foothill Blvd #2198, Hayward, CA 94541 (510) 537-5050 haywardwindow.com

Price transparency

Free assessment

Good customer service

Services Offered

Window replacement/installation
Bay windows
Mirrors
Glass showers
Glass repair
Window repair
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 Union City?

The cost of window installation or replacement will be influenced by several factors, including the materials you choose, how difficult your windows are to access or install, and the number and size of the windows. On average, Union City homeowners should expect to spend about $290 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 value, noise reduction, appearance, comfort, and insulation. Signs that it's time to invest in new windows 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 insulation around windows.
  • Outdated and inefficient window styles that take away from your home’s curb appeal.
  • Drafts and cold air leaking in through old, loose-fitting windows.
  • Fogging between window panes, condensation issues, or rotting window frames letting in moisture.

How To Choose a Window Company

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

Experience

Make sure you select an experienced local installer with a long record of successfully installing and replacing windows. Companies that have served Union City for years are more likely to have a deep knowledge of the local climate and local homeowners' needs. Get references from recent clients to confirm a company provides quality installations.

Certifications

Look for installers that are backed by leading window manufacturers and accredited by top industry associations, including the Fenestration and Glazing Industry Alliance, formerly known as the AAMA. Appropriate credentials mean that a provider has gotten proper training in quality installation methods. Ensure installers are employees rather than subcontractors, and verify that any technicians assigned to your job hold the right certifications.

Reputation

Spend time reviewing online feedback, checking the Better Business Bureau, and requesting local references. Review customer feedback to confirm that a company consistently does quality work and provides good service. Avoid companies with complaints of shoddy work or unfinished jobs.

Process

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

Warranties

Look into window installers that back their installations with warranties on labor and materials. This indicates confidence in their work. Target companies with unlimited lifetime warranties that can transfer to new homeowners.

Materials

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

Frequently Asked Questions About Window in Union City, CA

In Union City, the best time to install windows is when temperatures are mild, generally during spring, winter or fall. This allows installers to work without having to worry about extreme temperatures.

The best type of replacement window for your Union City home will depend on your home's age, as well as your personal style 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 provide a traditional look and feel, while vinyl-framed windows are more popular in newer homes. Fiberglass windows are also a popular choice, as they can be energy efficient and long-lasting.

You can save money on your window installation by choosing a less expensive option like single-hung windows with vinyl frames. These come at a lower cost compared to other kinds of windows such as double-hung, wood, or fiberglass windows.

The typical window installation process takes anywhere from one to two days, depending on the size and number of windows being replaced. This includes taking out the old windows, taking measurements for the new windows, putting in the new windows, and caulking them in place. On average, it takes about 30 minutes to install each window.

After window installation, it's important to make sure that the windows are properly sealed and to check for any air leaks. You should also wash the windows regularly to stop debris from accumulating and causing damage. Additionally, you should inspect the window sills and frames regularly to ensure that the seals are not wearing away or cracking.

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

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