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10 Best Window Replacement Companies in Concord, CA

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Written By David Cusick

Last Updated February 2024

Upgrading your windows can be rather costly, but is an excellent way to increase the energy efficiency and value of your home. In Concord, where the electric bills are $1,500 per year on average, you could be spending an extra $461 annually due to outdated windows. The Department of Energy estimates that heat gained or lost through windows could be responsible for about 30% of residential energy climate usage. Selecting the best company for you is an important decision. That's why we've put together this list of the best window installers in Concord.

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Top 10 Best Window Replacement Companies in Concord

Renewal by Andersen of San Francisco

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

Price transparency

Good customer service

Free assessment

Educational website

Services Offered

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

Dan's Glass Inc

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1600 Concord Ave, Concord, CA 94520 (925) 827-4173 dansglassinc.com

Timely service

Price transparency

Good customer service

Educational website

Services Offered

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

Windows & Beyond

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1027 Shary Ct, Concord, CA 94518 (925) 689-6600 windowsandbeyond.net

Price transparency

Timely service

Free assessment

Educational website

Good customer service

Services Offered

Bay windows
Vinyl frames
Energy-efficient options
Window replacement/installation
Skylights

Bestoff Windows & Construction

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1000 Detroit Ave Suite "S, Concord, CA 94518 (925) 457-9026 bestoffwindows.com

Timely service

Good customer service

Price transparency

Free assessment

Educational website

Services Offered

Vinyl frames
Window replacement/installation
Glass doors
Metal frames

Concord Glass, Inc.

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1015 Shary Cir #12, Concord, CA 94518 (925) 691-5090 concordglass.com

Free assessment

Educational website

Good customer service

Price transparency

Services Offered

Mirrors
Glass doors
Tempered glass
Glass showers
Window repair
Energy-efficient options
Window replacement/installation

Pella Windows & Doors of Northern California

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3221B Danville Blvd, Alamo, CA 94507 (925) 263-9300 pellabranch.com

Educational website

Price transparency

Free assessment

Good customer service

Services Offered

Bay windows
Window replacement/installation
Double-hung
Glass doors

Aames Windows & Doors Inc

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11 Orchard Ct suite d, Alamo, CA 94507 (800) 862-1947 aameswindows.com

Free assessment

Good customer service

Timely service

Price transparency

Services Offered

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

Home Services at The Home Depot

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2090 Meridian Park Blvd, Concord, CA 94520 (925) 317-1480 homedepot.com

Free assessment

Good customer service

Price transparency

Educational website

Services Offered

Energy-efficient options
Vinyl frames
Storm/impact windows
Window replacement/installation
Glass showers
Screen repair
Glass doors
Custom window designs

Diablo Custom Screen & Glass

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1065 Shary Cir, Concord, CA 94518 (925) 689-1100 diabloscreen.com

Price transparency

Good customer service

Educational website

Free assessment

Services Offered

Window replacement/installation
Bay windows
Custom glass
Glass showers

Lafayette Glass Company

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3375 Mount Diablo Blvd, Lafayette, CA 94549 (925) 284-9510 lafayetteglasscompany.com

Free assessment

Price transparency

Timely service

Services Offered

Glass showers
Window repair
Energy-efficient options
Window replacement/installation
Mirrors
Glass doors
Custom glass
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 Concord?

Window installation and replacement costs depend on a number of 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, homeowners in Concord spend roughly $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 insulation, comfort, value, noise reduction, and appearance. Clear indicators that it's time for window replacement include the following:

  • A chilly house and high energy bills due to poor insulation around windows.
  • Cold air and drafts leaking in from old, loose-fitting windows.
  • Inefficient and outdated window styles that take away from your house's curb appeal.
  • Windows that are difficult to close, open, or lock properly due to age and wear.
  • Fogging between window panes, condensation issues, or rotting window frames allowing moisture intrusion into the home.

How To Choose a Window Company

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

Experience

Look for well-established local installers with extensive experience. Companies that have worked in Concord for years are more likely to know the local climate and how to best meet your needs. Request references from recent customers to confirm a company’s reputation.

Certifications

Choose an installer that’s certified like major window manufacturers, and that has Fenestration and Glazing Industry Alliance (formerly AAMA) certification. Proper certification shows they've received suitable education in installation best practices. Verify that installers are staff, not subcontracted laborers, and confirm that any technicians working on your home have certification.

Reputation

Read through online customer feedback, check the Better Business Bureau (BBB), and ask for local references. Review customer feedback to make sure that the company consistently provides quality work and good customer service. Avoid contractors that have complaints of shoddy work or unfinished jobs.

Process

A reputable window installer will be able to provide a complete project plan, precise timelines, clear expectations, and an overview of all material and installation options. Avoid companies that provide vague quotes or schedules. Ask for ongoing contact from the beginning to avoid surprises once installation is underway.

Warranties

Research window installers that guarantee their work and offer warranties on labor and materials. This is a sign of expert workmanship. Choose companies with unlimited lifetime warranties that can be transferred to new homeowners.

Materials

Confirm that a 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, design flexibility, and enhanced UV protection, and verify that the materials come with their own manufacturer warranties.

Frequently Asked Questions About Window in Concord, CA

In Concord, the best time to install windows is during the winter when the temperature is not as high, so the windows can seal and adjust properly. A professional local window installer in Concord will be able to explain when the best time is to install windows on your home.

The ideal type of replacement windows for your Concord home depends on the year your home was built –the average house in Concord was built around 1971. For older homes, you may want to consider efficient windows such as double-pane windows, which are made to keep your home cool in the summer and warm in the winter. Wood frames also have a classic look that's perfect for older homes. For more modern homes, you might want to consider vinyl windows, which are affordable, durable and have a modern look.

You can save money on window installation by going with a cheaper option like single-hung windows with vinyl frames. These have lower prices compared to more expensive windows such as fiberglass, double-hung, or wood windows.

The process for window installation typically includes taking measurements, removing the old windows, installing the new windows, inspecting for proper insulation, and applying caulk around the edges of the frames. Extra steps may be necessary depending on the style of window being installed.

In some cases, you can install your own windows, but it's generally recommended to hire a professional. It's important to consider the local temperature when replacing windows, as it will have an effect on the process. For example, the temperatures in Concord can reach an average high of 71, so you need to consider energy-efficient windows that can protect from the heat. It's also important to get the measurements right and follow the instructions for installation. Hiring a professional for your window replacement project will guarantee that everything is installed correctly.

After window installation, it's important to check for any air leaks and make sure the windows are properly sealed. You should also clean the windows at least once a year to prevent debris from accumulating and causing damage. Additionally, you should check the window sills and frames once a year to ensure that the seals are not wearing away or cracking.

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

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