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10 Best Window Replacement Companies in Oakley, CA

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Written By David Cusick

Last Updated June 2024

Replacing your windows can be costly, but is a great way to increase your home's energy efficiency and its value. In Oakley, where the electric bills are $1,500 per year on average, you could be spending an extra $461 annually due to damaged or drafty windows. The Department of Energy estimates that heat gained or lost through windows could make up about 30% of residential energy climate costs. If you can't decide on a window installation company, you've found the best place to get started. Keep reading to find the best window installers in Oakley.

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Top 10 Best Window Replacement Companies in Oakley

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

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

DaBella

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1300 National Dr #170, Sacramento, CA 95834 (916) 345-1576 dabella.us

Good customer service

Timely service

Services Offered

Vinyl frames
Double-hung
Window replacement/installation
Glass doors

BK Glass Shower & Window

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132 Cardinal Ln, Discovery Bay, CA 94505 (925) 817-9171 bkglass.net

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Educational website

Price transparency

Good customer service

Services Offered

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

Antioch Glass

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1207 Auto Center Dr, Antioch, CA 94509 (925) 777-9191 antiochglass.net

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Free assessment

Good customer service

Price transparency

Services Offered

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

Discovery Bay Glass Shower & Window

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4661 Spinnaker Way, Discovery Bay, CA 94505 (925) 683-8315 brentwoodglasscompany.com

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Good customer service

Timely service

Price transparency

Services Offered

Bay windows
Window replacement/installation
Mirrors
Glass showers
Glass doors

Brentwood Glass Shower and Window Company

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420 Beatrice Ct g2, Brentwood, CA 94513 (925) 634-9029 brentwoodglasscompany.com

Good customer service

Free assessment

Timely service

Price transparency

Services Offered

Glass showers
Mirrors
Glass doors
Window replacement/installation

East County Glass & Window, Inc.

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441 E 10th St, Pittsburg, CA 94565 (925) 432-1433 ecglass.com

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Services Offered

Mirrors
Window replacement/installation
Glass doors
Bay windows
Glass showers

East County Glass - Brentwood

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700 Harvest Park Dr Suite C, Brentwood, CA 94513 (925) 315-4111 ecglass.com

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Window replacement/installation
Glass doors
Mirrors
Glass showers
Bay windows

Concord Glass, Inc.

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

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Educational website

Price transparency

Good customer service

Services Offered

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

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

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

The price of window installation or replacement varies based on 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, Oakley homeowners should expect to 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

Installing new energy-efficient windows can substantially boost your home's insulation, noise reduction, value, comfort, and appearance. Some clear signs it's time for new windows include the following:

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

How To Choose a Window Company

Finding a truly qualified window installer is critical to a successful project. Below, we cover the main factors to consider when deciding which company to hire.

Experience

Find well-established local installers with considerable experience. Companies that have worked in Oakley for years are more likely to understand the local climate and how to best meet your needs. Ask for references from recent customers to confirm a company’s reputation.

Certifications

Select an installer that is certified by major window brands and groups like the Fenestration and Glazing Industry Alliance, formerly known as the AMMA. Suitable credentials show that a contractor is trained in best practices for installation. Confirm that installers are staff, not subcontractors, and check that the technicians working on your home are certified.

Reputation

Spend time going through online reviews, checking the Better Business Bureau, and asking for references from people in your area. 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

A quality window installer will be able to provide a comprehensive project plan, precise timelines, clear expectations, and an overview of all material and installation options. Avoid companies that provide vague quotes or schedules. Look for consistent contact through the whole process to avoid surprises once installation is underway.

Warranties

Research contractors that back their work with guarantees and offer warranties on products and labor. This is a sign of confidence in their window installations. Seek out unlimited lifetime warranties that can be transferred to new homeowners.

Materials

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

Frequently Asked Questions About Window in Oakley, CA

In Oakley, the optimal time to install windows is during the winter when the temperatures are not as high, so the windows can seal and settle properly. A good local window installer in Oakley will be able to tell you when the best time is to install windows on your home.

The ideal type of replacement windows for your Oakley home depends on the year your home was built –the average house in Oakley was built around 1993. For older homes, 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 classic look that's great for older homes. For more modern homes, you may want to consider vinyl windows, which are affordable, durable and have a modern look.

The types of window that usually last longest are ones constructed from vinyl or wood, with double glaze for extra insulation. Vinyl windows are renowned for their long-lasting nature and need little maintenance, and wood windows provide a more traditional look. Tripling up on the glazing will help reduce energy costs in the long run. This is especially helpful during Oakley's hot summers.

It varies on your specific needs and budget, but generally it's advised to replace all your windows at once if they're not energy efficient. Replacing all your windows at once guarantees that you'll get the most out of your energy savings and can potentially save you money in the long run. This is important in Oakley, where the average energy bills are roughly $1,538 a year.

In some cases, you can replace your own windows, but it's recommended 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 Oakley can reach an average high of 71, so you need to consider energy-efficient windows that can deflect 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.

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 regularly to stop debris from accumulating and causing damage. Additionally, you should check the window sills and frames regularly to ensure that the seals are not deteriorating or cracking.

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