20 Best Window Companies in Walnut Creek, CA (2024 Reviews)

Looking to upgrade your home's windows? We’ve got you covered in this guide to the top window installation companies.

We analyzed all the top-rated window companies in Walnut Creek and selected the best 20 based on:

  • Customer reviews
  • Window installation expertise
  • Popularity with home-owners like you
EcoWatch Local Advisors

By EcoWatch Local Advisors

Updated May 20, 2024

Why you can trust EcoWatch

Our panel of energy experts work tirelessly to create unbiased reviews and informative content to help homeowners make educated decisions. No other windows site has covered energy efficiency and sustainability as long as EcoWatch, which means we're going to help you find windows replacements that will save on your energy bill and put more money back in your wallet.

Whether you're updating for style or have damaged windows, windows play a vital role in conserving electricity in your home. During the hot summer months, the last thing you want is your cool air to leak out of your outdated, drafty windows.

Installing energy-efficient windows on your house can help you save money every month on your electric bills — and you can help the environment as well.

Because windows have such a large impact on your home, choosing the right company for you is a big decision to make. That’s why the EcoWatch team has curated this list of the top window installation companies, so you can more easily make an informed decision.

Power Home

★★★★★
4.5
  • Uses eco-friendly materials
  • Well-trained, certified installers
  • Lifetime or lengthy warranty
Next-Day Appointments Available
Get Estimate

Best for Residential Windows

Window Nation

★★★★★
4.0
  • Custom Designs
  • Wide variety of products and services
  • Manufactures products in-house

Best Energy-Efficient Features

DaBella

★★★★★
4.0
  • Great warranty
  • Friendly sales representatives
  • Offers good financing options

Best Window Installation & Replacement Companies in Walnut Creek

The EcoWatch team examined dozens of installers in Walnut Creek to find the best window replacement companies for our readers. The installers in this article scored the best in our review categories, which include energy-efficient offerings, price, customer service, local expertise, availability and more.

Window World logo
FAST QUOTE
as little as 30 seconds
Best Affordability

Window World

★★★★★
BBB Rating: A+
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon EnergyStar Partner
  • Pros icon Large serice area
  • Pros icon Low prices relative to competitors
  • Pros icon Great industry reputation
  • Pros icon Lifetime warranty
Cons:
  • Pros icon Quality of service will depend on your area

Window World is the largest window replacement company in the country, known for its vinyl windows and affordability. Window World has been in the window industry for around 27 years. Hundreds of positive reviews on customer review websites back the company's reputation.

It has established itself as a company that is certified by the Environmental Protection Agency (EPA) and Energy Star and supports charities like St. Jude Children’s Research Hospital.

Energy Efficiency of Window World Windows

There are a wide variety of window types that Window World offers, some of which are Energy Star products. Its high-performance Low-E (low-emissivity) coatings and argon gas insulation offer exceptional efficiency and performance for any home.

How much does Window World cost in Walnut Creek?

Although prices are not readily available on Window World’s website, it's known for offering some of the most affordable window installations around. Requesting a free quote on its website is the best way to get more accurate information.

Milgard Windows & Doors logo
FAST QUOTE
as little as 30 seconds
Excellent Reputation

Milgard Windows & Doors

★★★★★
BBB Rating: A
Locations: West Coast
Founded: 1962
Pros:
  • Pros icon EnergyStar Partner
  • Pros icon Wide network of installers
  • Pros icon Lifetime warranty available
Cons:
  • Pros icon Entails hiring third-party contractors
  • Pros icon Limited additional services

Milgard Windows & Doors is a family-owned and -operated window replacement company, which primarily serves the West Coast. Milgard has been in the window industry for around 60 years. Hundreds of positive reviews on customer review websites back the company's reputation.

It has established itself as a company that offers competitive pricing, a comprehensive warranty and installers that all have a minimum of 15 years of window installation experience.

Energy Efficiency of Milgard Windows & Doors Windows

There are a wide variety of window types that Milgard Windows & Doors offers, some of which are Energy Star products. The company manufactures its own products, which gives it the freedom to make custom windows based on the climate. The company designs its own vinyl compounds and profiles to ensure a heat-stable product that performs as advertised.

How much does Milgard Windows & Doors cost in Walnut Creek?

Although prices are not readily available on Milgard’s website, it offers different kinds of windows at varying price points. Requesting a free quote on its website is the best way to get more accurate information.

Renewal by Andersen logo
FAST QUOTE
as little as 30 seconds
Best Overall

Renewal by Andersen

★★★★★
BBB Rating: A
Locations: Nationwide
Founded: 1995
Pros:
  • Pros icon Great industry reputation
  • Pros icon Award-winning company
  • Pros icon Member of US Green Building Council
  • Pros icon Manufactures products in-house
Cons:
  • Pros icon No lifetime warranty
  • Pros icon More expensive than competition

Renewal by Andersen is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has been in the window industry for around 27 years. Hundreds of positive reviews on customer review websites back the company's reputation.

It has established itself as a company that uses in-home estimates and advanced digital tools to help you plan and visualize your project before getting started.

Energy Efficiency of Renewal by Andersen Windows

There are a wide variety of window types that Renewal by Andersen offers, some of which are Energy Star products. A handful of windows manufactured by the Andersen corporation were awarded Energy Star’s “Most Efficient” in 2021, and Andersen was named Energy Star’s Partner of the Year in 2019.

How much does Renewal by Andersen cost in Walnut Creek?

Although prices are not readily available on Andersen’s website, based on customer feedback, you can expect to pay anywhere between $750 to $1,250 per window for an installation with Andersen. Requesting a free quote on its website is the best way to get more accurate information.

We strive to stay unbiased and transparent by listing pros and cons for every company we review. Additionally, our rankings are not influenced by any partnerships.

More Window Companies in Walnut Creek

DaBella

Sacramento, CA
4.7
★★★★★
  • Pros icon Timely Service
  • Pros icon Good Customer Service

Services Offered

  • Service icon Glass Doors
  • Service icon Window Replacement/Installation
  • Service icon Double-Hung
  • Service icon Vinyl Frames

Website: https://dabella.us/location/sacramento/
Address: 1300 National Dr #170, Sacramento, CA 95834
Phone: (916) 345-1576

Golden Heights Remodeling INC

Concord, CA
5.0
★★★★★
  • Pros icon Free assessment
  • Pros icon Educational Website
  • Pros icon Good Customer Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Bay Windows
  • Service icon Window Replacement/Installation

Website: https://www.goldenheightsremodeling.com/
Address: 1110 Burnett Ave # J, Concord, CA 94520
Phone: (800) 521-0950

Lafayette Glass Company

Lafayette, CA
4.6
★★★★★
  • Pros icon Free assessment
  • Pros icon Timely Service
  • Pros icon Price Transparency

Services Offered

  • Service icon Glass Doors
  • Service icon Mirrors
  • Service icon Energy-Efficient Options
  • Service icon Window Replacement/Installation
  • Service icon Window Repair
  • Service icon Glass Showers
  • Service icon Custom Glass

Website: http://www.lafayetteglasscompany.com/
Address: 3375 Mount Diablo Blvd, Lafayette, CA 94549
Phone: (925) 284-9510

Diablo Custom Screen & Glass

Concord, CA
4.6
★★★★★
  • Pros icon Good Customer Service
  • Pros icon Price Transparency
  • Pros icon Free assessment
  • Pros icon Educational Website

Services Offered

  • Service icon Custom Glass
  • Service icon Window Replacement/Installation
  • Service icon Glass Showers
  • Service icon Bay Windows

Website: http://www.diabloscreen.com/
Address: 1065 Shary Cir, Concord, CA 94518
Phone: (925) 689-1100

Diablo Glass Inc.

Concord, CA
3.8
★★★★★

    Services Offered

    • Service icon Mirrors
    • Service icon Glass Showers
    • Service icon Window Replacement/Installation
    • Service icon Glass Doors

    Website: http://www.diabloglassinc.com/
    Address: 1940 Concord Ave, Concord, CA 94520
    Phone: (925) 682-8271

    East County Glass & Window, Inc.

    Pittsburg, CA
    4.7
    ★★★★★
    • Pros icon Educational Website

    Services Offered

    • Service icon Window Replacement/Installation
    • Service icon Glass Doors
    • Service icon Mirrors
    • Service icon Glass Showers
    • Service icon Bay Windows

    Website: http://www.ecglass.com/
    Address: 441 E 10th St, Pittsburg, CA 94565
    Phone: (925) 432-1433

    Dan's Glass Inc

    Concord, CA
    3.5
    ★★★★★
    • Pros icon Educational Website
    • Pros icon Timely Service
    • Pros icon Price Transparency
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Glass Showers
    • Service icon Mirrors
    • Service icon Window Repair
    • Service icon Glass Doors
    • Service icon Glass Repair
    • Service icon Window Replacement/Installation
    • Service icon Bay Windows

    Website: https://www.dansglassinc.com/
    Address: 1600 Concord Ave, Concord, CA 94520
    Phone: (925) 827-4173

    Windows & Beyond

    Concord, CA
    3.4
    ★★★★★
    • Pros icon Free assessment
    • Pros icon Price Transparency
    • Pros icon Timely Service
    • Pros icon Educational Website
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Window Replacement/Installation
    • Service icon Vinyl Frames
    • Service icon Energy-Efficient Options
    • Service icon Bay Windows
    • Service icon Skylights

    Website: http://www.windowsandbeyond.net/
    Address: 1027 Shary Ct, Concord, CA 94518
    Phone: (925) 689-6600

    Bestoff Windows & Construction

    Concord, CA
    3.2
    ★★★★★
    • Pros icon Free assessment
    • Pros icon Timely Service
    • Pros icon Educational Website
    • Pros icon Price Transparency
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Vinyl Frames
    • Service icon Window Replacement/Installation
    • Service icon Glass Doors
    • Service icon Metal Frames

    Website: https://www.bestoffwindows.com/
    Address: 1000 Detroit Ave Suite "S, Concord, CA 94518
    Phone: (925) 457-9026

    Rojas Construction and Remodeling, Inc.

    Walnut Creek, CA
    3.2
    ★★★★★
    • Pros icon Timely Service
    • Pros icon Good Customer Service
    • Pros icon Free assessment
    • Pros icon Price Transparency

    Services Offered

    • Service icon Window Replacement/Installation

    Website: http://www.rojasremodel.com/
    Address: 2072 Essenay Ave, Walnut Creek, CA 94597
    Phone: (925) 584-6911

    Action Glass, Inc

    Concord, CA
    3.1
    ★★★★★
    • Pros icon Price Transparency
    • Pros icon Educational Website
    • Pros icon Free assessment
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Glass Showers
    • Service icon Window Replacement/Installation
    • Service icon Glass Repair

    Website: http://www.actionglassca.com/
    Address: 1301 Galaxy Way, Concord, CA 94520
    Phone: (925) 687-9000

    Pella Windows & Doors of Northern California

    Alamo, CA
    2.9
    ★★★★★
    • Pros icon Good Customer Service
    • Pros icon Educational Website
    • Pros icon Free assessment
    • Pros icon Price Transparency

    Services Offered

    • Service icon Window Replacement/Installation
    • Service icon Glass Doors
    • Service icon Bay Windows
    • Service icon Double-Hung

    Website: https://www.pellabranch.com/northern-california/showrooms/alamo/
    Address: 3221B Danville Blvd, Alamo, CA 94507
    Phone: (925) 263-9300

    East Bay Glass

    Oakland, CA
    3.6
    ★★★★★
    • Pros icon Educational Website
    • Pros icon Price Transparency
    • Pros icon Free assessment
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Vinyl Frames
    • Service icon Glass Showers
    • Service icon Bay Windows
    • Service icon Window Replacement/Installation
    • Service icon Glass Repair
    • Service icon Metal Frames

    Website: http://www.eastbayglass.com/
    Address: 601 50th Ave, Oakland, CA 94601
    Phone: (510) 761-8736

    Cal Coast Window & Door

    Pleasanton, CA
    5.0
    ★★★★★
    • Pros icon Price Transparency
    • Pros icon Educational Website
    • Pros icon Free assessment
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Glass Doors
    • Service icon Bay Windows
    • Service icon Window Replacement/Installation
    • Service icon Energy-Efficient Options

    Website: https://calcoastwindows.com/
    Address: 5673 W Las Positas Blvd Suite 203, Pleasanton, CA 94588
    Phone: (925) 398-8184

    Concord Glass, Inc.

    Concord, CA
    2.7
    ★★★★★
    • Pros icon Price Transparency
    • Pros icon Good Customer Service
    • Pros icon Educational Website
    • Pros icon Free assessment

    Services Offered

    • Service icon Energy-Efficient Options
    • Service icon Window Repair
    • Service icon Mirrors
    • Service icon Window Replacement/Installation
    • Service icon Glass Showers
    • Service icon Tempered Glass
    • Service icon Glass Doors

    Website: http://www.concordglass.com/
    Address: 1015 Shary Cir #12, Concord, CA 94518
    Phone: (925) 691-5090

    West Coast Windows and Doors Inc

    Concord, CA
    2.7
    ★★★★★
    • Pros icon Good Customer Service
    • Pros icon Free assessment
    • Pros icon Price Transparency

    Services Offered

    • Service icon Window Replacement/Installation
    • Service icon Bay Windows

    Website: http://www.westcoastwindowsanddoors.com/
    Address: 1112 Willow Pass Ct, Concord, CA 94520
    Phone: (925) 681-1776

    Lema Windows and Doors Replacement

    Concord, CA
    2.7
    ★★★★★
    • Pros icon Free assessment
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Window Replacement/Installation
    • Service icon Wood Frames
    • Service icon Bay Windows
    • Service icon Energy-Efficient Options
    • Service icon Glass Doors

    Website: http://www.lemawindowdoor.com/
    Address: 950 Detroit Ave, Concord, CA 94518
    Phone: (866) 767-5362

    Winning Windows

    Oakland, CA
    2.6
    ★★★★★
    • Pros icon Timely Service
    • Pros icon Good Customer Service
    • Pros icon Price Transparency
    • Pros icon Free assessment

    Services Offered

    • Service icon Energy-Efficient Options
    • Service icon Glass Doors
    • Service icon Double-Hung
    • Service icon Fiberglass Frames
    • Service icon Window Replacement/Installation
    • Service icon Glass Showers
    • Service icon Wood Frames
    • Service icon Bay Windows
    • Service icon Vinyl Frames

    Website: http://www.winningwindows.com/
    Address: 6114 La Salle Ave, Oakland, CA 94611
    Phone: (510) 338-1234

    Glass Doctor of The Bay Area

    Hayward, CA
    4.5
    ★★★★★
    • Pros icon Educational Website
    • Pros icon Price Transparency
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Energy-Efficient Options
    • Service icon Window Repair
    • Service icon Custom Glass
    • Service icon Bay Windows
    • Service icon Window Replacement/Installation
    • Service icon Glass Showers
    • Service icon Mirrors
    • Service icon Glass Repair

    Website: https://glassdoctor.com/hayward
    Address: 773 Berry Ave, Hayward, CA 94544
    Phone: (510) 264-5277

    Custom Exteriors, Inc

    Pleasanton, CA
    4.8
    ★★★★★
    • Pros icon Free assessment
    • Pros icon Price Transparency
    • Pros icon Educational Website
    • Pros icon Good Customer Service

    Services Offered

    • Service icon Glass Doors
    • Service icon Custom Window Designs
    • Service icon Window Replacement/Installation
    • Service icon Energy-Efficient Options
    • Service icon Bay Windows

    Website: https://www.custom-exteriors.com/
    Address: 2142 Rheem Dr ste e, Pleasanton, CA 94588
    Phone: (888) 957-7800
    Walnut Creek Window Cost Calculator

    Calculate how much you can expect to pay for window installation and replacement in Walnut Creek, CA using our customized window cost calculator.

    Estimated Window Cost:
    161 homeowners have requested a free estimate in the last 3 days.

    Estimates will vary based on window dimensions and other unique factors to your home. Getting in touch with a local window installer is the best way to get an accurate cost estimate for your home.

    How Installing Energy-Efficient Windows in Walnut Creek Saves You Money

    By switching to energy-efficient windows, you and your family can take advantage of several benefits, including:

    • Save on power bills: Installing energy-efficient windows reduces your energy bills by about 12% since you need less energy.
    • Protect your valuables from fading: The low-emissivity coatings on many energy-efficient windows filter out harmful UV rays, preventing fading of your furniture, carpet and other valuables.
    • Reduce your carbon footprint: In Walnut Creek, you can lower your indirect greenhouse gas emissions by about 117 pounds per year once you upgrade to energy-efficient windows.
    • Protect your investment: If you have an older home, your windows are most likely in need of replacement. Updating your windows can make your home more comfortable and also help raise the value of your home if you decide to sell.

    Estimated Cost of Window Replacement in Walnut Creek

    When researching window installation, each company provides different services and costs. Let’s look at some average costs and services.

    How Much Do New Windows Cost?

    The average cost to install a single window is about $600 but can range from $200 to $1,200. This is because of the fact that window installations depend on a variety of factors specific to your home, such as the size, material and number of windows you need to install, as well as the location of your property.

    Whether or not you choose energy-efficient windows is another factor that will affect the cost. These will usually cost more than other windows, but on the other hand, you can save about $579 a year on your energy bills in Walnut Creek.

    We recommend requesting free quotes from several window companies to find the right windows and the company that works best for you.

    What Services do Window Installers Offer?

    There are generally two types of window installation services: full-frame and pocket installations.

    Full-frame installations require replacing the whole window — the sill, frame, trim and all. These are most common when you want a different style for your windows or when it has a great amount of damage. Full-frame installations involve more time and labor and will increase overall costs. Pocket installations (or retrofits) entail installing a new window within its existing frame, which makes pocket installations take less time and therefore cost less. But, if the frame has any damage or rot, you should opt for a full-frame installation instead.

    Your window installer should be able to help you choose which type of installation you need.

    Power Home

    ★★★★★
    4.5
    • Uses eco-friendly materials
    • Well-trained, certified installers
    • Lifetime or lengthy warranty
    Next-Day Appointments Available
    Get Estimate

    Best for Residential Windows

    Window Nation

    ★★★★★
    4.0
    • Custom Designs
    • Wide variety of products and services
    • Manufactures products in-house

    Best Energy-Efficient Features

    DaBella

    ★★★★★
    4.0
    • Great warranty
    • Friendly sales representatives
    • Offers good financing options

    How We Choose the Best Window Installers in Walnut Creek

    EcoWatch reviews are different from other reviews because we’re examining these companies through a sustainability lens. Along with energy efficiency, we assessed several window installers in Walnut Creek and assigned rankings using the following methodology:

    Service Area

    This one is pretty self-explanatory, but we’ve chosen to highlight window installation companies that serve Walnut Creek so you can find the right window installation company near you.

    Work Quality

    When installing new windows, the quality and breadth of services can often play just as important of a role in overall efficiency and performance as the brand of window you get. We do rate window installers higher if they offer high-quality products, but we also consider workmanship as reflected in customer feedback.

    Customer Reviews

    We analyzed patterns in recent online reviews to determine the companies with the most customer satisfaction, weighted by sample size. Customer satisfaction might be the most important factor, as it reflects the quality of services across nearly every category, including cost, quality of parts, professionalism, warranty, quality of installation and more.

    Cost

    Cheaper windows certainly don’t mean better windows, but we know many of our readers would like to keep costs as low as possible. When analyzing providers’ prices, we awarded higher points to companies with reasonable prices and accessible financing rather than “cheaper” services.

    Warranty

    As discussed previously, windows are a sizable investment, so you’ll want to make sure that investment is protected. Window installation companies that provide lengthy warranties for products, parts and labor rank higher with EcoWatch.

    Years of Experience

    Because of Walnut Creek’s climate, homeowners need to be wary of low efficiency, water damage and rot. We factored in local experience to reflect the ability of Walnut Creek window companies to prepare homes for these issues. If a company has less than 10 years of experience, it loses points in this category.

    Walnut Creek, CA Window Replacement FAQs

    How much should window installation cost?

    The average cost to replace a window ranges between $450 and $650. There are a variety of factors that affect the price, which include styles and sizes of windows, your property’s location, the number of windows, local labor costs, how energy-efficient the windows are and the materials used in designing the windows.

    What are the most common kinds of replacement windows?

    There are various kinds of windows you can get for your house, including picture windows, slider windows, double-hung and single-hung windows, transom windows, casement windows, bay windows and awning windows.

    When do I need to use a window installation company?

    Unless you have experience with home improvement projects and have the tools needed to replace your own windows, we recommend hiring a professional. The process of installing windows is complex and can take anywhere from four to six hours for one window. Although it’s tempting to try to do it yourself to save money, hiring a professional is a faster, more efficient and safer alternative.

    When is the best time of year to replace windows?

    Replacement windows can be installed at any time, but autumn might be the best season. Regardless of when you install them, the contractors will take steps to ensure that too much hot or cold air doesn’t get into your home, so the temperature outside isn’t necessarily a big factor. Most importantly, the weather should be dry.

    How long does it typically take to install windows?

    Each window takes about 30 minutes to install depending on the type of window. However, the window installation can take two days or more if you have a lot of windows that must be installed.