27 Best Window Replacement Companies in Concord, CA (Jan 2023)
Window Companies Near Me
If you're looking to upgrade to new windows, our list of the top window installation companies can help.
We analyzed all the top window installers in Concord and selected the top 27 based on:
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Customer reviews
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Window replacement expertise
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Popularity with home-owners like you
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Updated January 12, 2023
Why you can trust EcoWatch
Although eco-friendly energy sources like wind and solar are important when it comes to decreasing your carbon footprint, improving your home's efficiency can also have a big impact on home energy conservation. Drafty or leaky windows can make your home uncomfortable in the summer or winter.
Installing new, efficient windows on your home can help you save money each month on your energy bills — and you can help the environment, too.
We've put together a list of the best installation companies to help you in your search, so you can not only benefit from brand new windows, but also save money on your power bills.
Excellent Reputation
Milgard Windows & Doors
- EnergyStar Partner
- Wide network of installers
- Lifetime warranty available
- Entails hiring third-party contractors
Best Affordability
Window World
- Low prices relative to competitors
- Large serice area
- EnergyStar Partner
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Great industry reputation
- Manufactures products in-house
- Award-winning company
- No lifetime warranty
Best Window Replacement Companies in Concord
The EcoWatch Reviews team examined dozens of installers in Concord to find the top window replacement companies for our readers. The installers in this article passed our review standards for energy-efficient offerings as well as customer service, local expertise, price and beyond.

Milgard Windows & Doors
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EnergyStar Partner
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Wide network of installers
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Lifetime warranty available
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Entails hiring third-party contractors
Milgard Windows & Doors provides the best local installation in Concord. This window installation company has been in business since 1962 and currently services Anaheim, Riverside, Los Angeles, San Bernardino and Orange counties.
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 WindowsMilgard Windows & Doors' commitment to sustainability shows in its energy-efficient window offerings. 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 Concord?Although prices are not available on Milgard's website, it offers different kinds of windows at varying price points. The best way to get more accurate pricing information is to get a free quote from the company.

Window World
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Low prices relative to competitors
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Large serice area
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EnergyStar Partner
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Quality of service will depend on your area
Window World has windows expertise in Concord. It's the largest window replacement company in the country, known for its vinyl windows and affordability. This window installation company has been operating since 1995 and currently provides services to 200 locations nationwide. Its reputation is backed by all the positive reviews on customer review websites.
You may want to consider choosing Window World if you're looking for a installer 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 WindowsThere are a wide range 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 Concord?Window World does not mention prices on its website, but it's known for offering some of the most affordable window installations around. Getting a free quote on its website is the best way to get more accurate information.

Renewal by Andersen
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Great industry reputation
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Manufactures products in-house
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Award-winning company
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No lifetime warranty
Renewal by Andersen is a subsidiary of the Andersen Corporation, a major manufacturer of windows and doors. Andersen has over 27 years of experience in the windows industry, and it currently provides services to nearly every state except Mississippi and West Virginia. Many positive reviews on customer review websites back the provider's reputation.
You may want to consider going with Andersen if you're interested in a installer 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 WindowsRenewal by Andersen has some Energy Star windows, but note that not all its windows are energy-efficient, so make sure you ask for high-quality Energy Star windows when inquiring. 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 Concord?While 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. If you'd like more accurate pricing information, you can get a quote on the company's website.

Universal Windows Direct
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Makes charitable contributions
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Manufactures products in-house
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Wide variety of products and services
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Lifetime warranty
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Limited service area
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Some installations carried out by third-party contractors
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Quality of service will depend on your area
Universal Windows Direct has the best warranty in Concord. Universal has been in the window installation business for about 20 years. The provider has a lot of positive reviews from customers online.
It has an industry-leading warranty covering products, parts and workmanship for life.
Energy Efficiency of Universal Windows Direct WindowsUniversal Windows Direct is an Energy Star partner offering a variety of energy-efficient windows. Note that not all of the company's windows are Energy Star certified, so make sure to ask your Universal representative when inquiring about services.
How much does Universal Windows Direct cost in Concord?Pricing details are not available on Universal's website since the cost of window installment depends on how many and what type(s) of windows you need. However, installations typically range from $225 to $425 per window based on customer feedback. That makes Universal Windows Direct more of a budget-friendly option for window repair and replacements. Receiving a free quote on its website is the best way to know for sure.
We've recommended installers with shining reputations, but note that these are national companies, so your service may depend on your local crew. We have tried to remain unbiased and transparent by listing pros and cons for each company reviewed.
More Window Replacement Companies in Concord
The Glass Guru
Antioch, CA-
Reliable Service
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Locally Recognized for Quality
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Educational Website
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No-fee Quotes
Services Offered
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Glass Showers
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Tempered Glass
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Custom Window Designs
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Aluminum Window Frames
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Full-Service Installations
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Commercial Windows
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Double-Hung
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Sliding Glass
Renewal by Andersen of San Francisco
Hayward, CA-
Dependable Service
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Arrives on Time
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Good Customer Service
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Award-Winning
Services Offered
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Custom Windows
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Commercial Windows
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Double-Hung
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Stained Glass
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Sliding Glass
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Bay Windows
The Glass Guru
Fairfield, CA-
Educational Website
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Good Customer Service
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Consistent Workmanship
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No-Hassle Pricing
Services Offered
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Residential Windows
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Glass Showers
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Tempered Glass
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Custom Windows
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Aluminum Window Frames
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Full-Service Installations
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Commercial Windows
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Double-Hung
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Sliding Glass
Window Replacement San Leandro
San Leandro, CA-
Free Quotes
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Good Customer Service
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Price Transparency
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Dependable Service
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay Windows
Best Exteriors
San Leandro, CA-
No-fee Quotes
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Educational Website
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Timely Service
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Excellent Customer Service
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Window Replacement Berkeley
Berkeley, CA-
No-fee Quotes
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Arrives on Time
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Price Transparency
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Educational Website
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Best Exteriors
Oakland, CA-
Educational Website
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No-Hassle Pricing
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No-fee Quotes
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Reliable Service
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay Windows
Window Replacement Vallejo
Vallejo, CA-
Educational Website
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Good Customer Service
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Arrives on Time
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Dependable Service
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Bay Windows
Window Replacement Dublin
Dublin, CA-
Educational Website
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Excellent Customer Service
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Reliable Appointment Windows
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No-fee Quotes
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Window Replacement Livermore
Livermore, CA-
Educational Website
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Free Quotes
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Excellent Customer Service
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Dependable Service
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Window Replacement Pleasanton
Pleasanton, CA-
Excellent Customer Service
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Dependable Service
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No-Hassle Pricing
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Helps Educate Customers
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay Windows
Window Replacement San Francisco
San Francisco, CA-
Helps Educate Customers
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Timely Service
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No-Hassle Pricing
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Free Quotes
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay Windows
Window Replacement Oakland
Oakland, CA-
Educational Website
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Consistent Workmanship
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No-Hassle Pricing
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Good Customer Service
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Window Replacement Alameda
Alameda, CA-
Price Transparency
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No-fee Quotes
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Reliable Service
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Good Customer Service
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Bay Windows
Window Replacement Redwood City
Pleasanton, CA-
No-Hassle Pricing
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Helps Educate Customers
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Timely Service
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Free Quotes
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Roxy Glass
Morton Ave, CA-
Excellent Customer Service
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Price Transparency
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Helps Educate Customers
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No-fee Quotes
Services Offered
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Residential Windows
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Glass Showers
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Energy-Efficient Options
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Tempered Glass
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Custom Windows
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Aluminum Window Frames
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Business Windows
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Double-Hung
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Sliding Glass
Window Replacement Fremont
Fremont, CA-
Timely Service
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Helps Educate Customers
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No-fee Quotes
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Consistent Workmanship
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay Windows
Window Replacement Walnut Creek
Walnut Creek, CA-
Reliable Appointment Windows
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Excellent Customer Service
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Reliable Service
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No-fee Quotes
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Bay Windows
Window Replacement Concord
Concord, CA-
Helps Educate Customers
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Price Transparency
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Free Quotes
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Dependable Service
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Bay Windows
Window Replacement Union City
Union City, CA-
Timely Service
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Helps Educate Customers
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Free Quotes
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Good Customer Service
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Window Replacement San Mateo
San Mateo, CA-
Reliable Appointment Windows
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Reliable Service
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No-Hassle Pricing
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Excellent Customer Service
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Best Exteriors
Oakland, CA-
Educational Website
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Dependable Service
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Arrives on Time
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Good Customer Service
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Bay Windows
Window Replacement Hayward
Hayward, CA-
Reliable Appointment Windows
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Dependable Service
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Free Quotes
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Excellent Customer Service
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Window Replacement Vacaville
Vacaville, CA-
No-Hassle Pricing
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No-fee Quotes
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Good Customer Service
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Helps Educate Customers
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Window Designs
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Window Replacement Richmond
Richmond, CA-
Excellent Customer Service
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Helps Educate Customers
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Dependable Service
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Arrives on Time
Services Offered
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Architectural Glass
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Fast Delivery
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Custom Windows
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Double-Hung
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Sliding Glass
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Bay & Bow Windows
Bestoff Windows & Construction
Concord, CA-
Arrives on Time
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Helps Educate Customers
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No-Hassle Pricing
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Excellent Customer Service
Services Offered
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Fast Delivery
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Energy-Efficient Options
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Custom Windows
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Aluminum Window Frames
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Double-Hung
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Sliding Glass
Contra Costa Plate & Mirror Co
Pacheco, CA-
No-fee Quotes
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Excellent Customer Service
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Locally Recognized for Quality
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Reliable Service
Services Offered
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Residential Windows
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Architectural Glass
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Glass Showers
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Tempered Glass
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Custom Windows
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Commercial Windows
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Double-Hung
How Installing Energy-Efficient Windows in Concord Saves You Money
Upgrading to energy-efficient windows can help improve the comfort of your home and help you save on power bills. Here are more details about how upgrading your windows could benefit you:
- Save on energy bills: After you switch to energy-efficient windows, you can see a reduction in your bills by about 12% because you'll require less energy to heat or cool your home.
- Decrease your carbon footprint: You can reduce your indirect greenhouse gas emissions by about 12% when you install Energy Star certified windows. In Concord, that's about 117 pounds per year on average.
- Protect your valuables: Many energy-efficient windows have low-emissivity coatings, which filter out damaging UV rays, preventing fading of your furniture, carpet and other valuables.
- Protect your investment: When your home is on the older side, your windows could also be outdated or leaky. Upgrading your windows is an important part of maintaining your property and its value.
Estimated Cost of Window Replacement in Concord
Let's take a look at the cost of installing new windows and the kinds of services you may need for your home.
How Much Do New Windows Cost?
According to our research, the average cost of installing a single window is about $600. However, window replacement costs can range from $200 to $1,200 for each window. These amounts vary based on specific characteristics of your installation, like size, number of windows, the location of your home, type, material and more.
Bear in mind that energy-efficient windows may cost more upfront, but Energy Star estimates the upgrade will save you between $101 and $583 per year when replacing single-pane windows and between $27 and $197 per year when replacing double-pane, clear glass windows. Your exact savings will vary based on your local climate, energy rates and individual home characteristics.
Asking for free quotes from several installers is the best way to find out which one will work best for your budget.
What Services do Window Installers Offer?
In general, there are two kinds of window installation services companies provide: full-frame and pocket installations.
A full-frame installation replaces the full window, such as the windowsill, frame, trim and the window panes. As this type of installation requires more time and labor, it will cost more than a pocket installation. Pocket installations (or retrofits) involve replacing a window within the existing frame, which makes pocket installations less labor-intensive and costly. But, if the frame has any damage or rot, you will most likely need a full-frame installation instead.
If you're still debating which kind of installation to get, you can ask your provider and get their advice. The choice mostly depends on the age of your window frames and if there's any damage present.
Excellent Reputation
Milgard Windows & Doors
- EnergyStar Partner
- Wide network of installers
- Lifetime warranty available
- Entails hiring third-party contractors
Best Affordability
Window World
- Low prices relative to competitors
- Large serice area
- EnergyStar Partner
- Quality of service will depend on your area
Best Overall
Renewal by Andersen
- Great industry reputation
- Manufactures products in-house
- Award-winning company
- No lifetime warranty
How We Choose the Best Window Installers in Concord
EcoWatch reviews differ from most reviews because we look at these companies through a sustainability lens. Along with energy efficiency, we analyzed several window installers in Concord 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 the Concord area so you can find the best window installation company near you.
Work Quality
We're certain that you're looking for professionals who do a great job installing windows. We've vetted each installer included in our guide to make sure its contractors are well-qualified and that the company has received a lot of positive customer feedback to vouch for its service.
Customer Reviews
We analyzed trends in recent online reviews to find the companies with the highest rates of customer satisfaction, weighted by sample size. Customer satisfaction may be the most important factor, as it indicates the quality of services across nearly every category, including quality of installation, warranty, quality of parts, cost, professionalism and more.
Cost
Cheaper windows certainly don't mean better windows, but we know many of our readers would like to keep costs low when possible. When analyzing the prices of providers, we gave higher scores to companies with reasonable prices and accessible financing rather than "cheaper" services.
Warranty
Protecting your investment in new windows is important to many homeowners. For that reason, window installation companies that offer lengthy warranties for products, parts and labor rank higher with EcoWatch.
Years of Experience
Last but not least, we like to see companies that have been in the industry for quite some time. Window installers that have more experience are going to earn higher rankings by our standards. We like to see at least ten years of experience.
Concord, CA Window Replacement FAQs
How much should window installation cost?
The national average cost of replacing one window is about $600 but can range between $200 and $1,200, based on several factors. The price is generally dependent on the size of the window, the location of your property and the type and material of the window. Also, bear in mind that energy-efficient windows may cost more upfront but can save you a decent amount of money a year in energy bills.
Which kind of window is the best?
Generally, double-pane windows will be more efficient than single-pane windows and windows that do not open are more efficient than windows that do. If you want to be sure you'll get the most energy-efficient windows, look for models with the blue Energy Star certification attached to them — this means they're certified energy-efficient by the U.S. Department of Energy.
What do window installation companies do?
Window installers cover the entire process — from replacing your old windows with new ones to cleaning up after the installation. In addition, many companies offer window manufacturing, customization and repairs.
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. No matter when you install them, the contractors will take steps to make sure that too much hot or cold air doesn't get into the house, so the temperature outside doesn't necessarily matter that much. What's more important than the temperature is that the weather should be dry.
Should I replace all my windows at once?
If your windows are greater than 20 years old, you probably need to replace all of them. By that point, they are usually less efficient, leakier and/or more damaged than new windows. Replacing your windows all at once will involve less paperwork and less time.