The Window Guys

Diamond Rating

To earn the Exceptional Consumer Satisfaction Diamond, the dealer must have 5 or more reviews within the last year on and maintain an average of 4.5 stars or higher.
To earn the Showroom Diamond, the dealer must have a showroom with a minimum number of Milgard products on display.
To earn the Web-Site Diamond, the dealer must have their own Web-site with information about the Milgard products and the services they sell.
To earn the AAMA Certified Diamond, the dealers must have at least one member from each of their installation crews complete the AAMA Installation Masters training and pass the AAMA Certified Install test.
To earn the Product Knowledge Diamond, all Dealer Sales Consultants must pass a series of standardized Milgard administered tests demonstrating Milgard product knowledge.


2033 Cecilia Cir
Corona, CA 92881
United States

Store Hours

Monday9:00am - 5:00pm
Tuesday9:00am - 5:00pm
Wednesday9:00am - 5:00pm
Thursday9:00am - 5:00pm
Friday9:00am - 5:00pm
Saturday9:00am - 2:00pm

Services Offered

Consumer financing
Free estimates
Has Showroom
MGWS Dealer
New construction
Offers installation
Replacement Specialist

About Us

We are a full-service company providing window and door sales and installation. If you are uncertain of what you are looking for or what is available to you, we will walk you through the process from start to finish.

We have the best installation crews that are experienced in all areas of window and door installation. We do all our installs per AAMA recommendations and use only the highest quality products.

The Window Guys can replace one window in your home or a complete new house package from blueprints up. There is no job too big or too small that we won’t take on. We cover a large service area which includes Los Angeles County, Orange County, Riverside County, San Bernardino County and San Diego County. We not only have the largest Inland Empire showroom but Southern California as well.

Awards Received

  • AAMA Certified Installers
  • Milgard Dealer of the month

Areas Served

Los Alamitos, Cypress, Orange, Villa Park, Yorba Linda, Anaheim, Anaheim Hills, Chino, Chino Hills, Ontario, Fullerton, Brea, Diamond Bar, Fontana, Rancho Cucamonga, Alta Loma, Loma Linda, Redlands, Pomona, Upland, Placentia, Dana Point, San Clemente, Laguna Hills, Laguna Niguel, Oceanside, Carlsbad, Lecuadia, Kearny Mesa, Mira Mesa, Miramar, Irvine, Santa Ana, Fountain Valley, Hunnington Beach, Costa Mesa, Mission Viejo, Tustin, Corona, Norco, Menifee, Murrieta, Temecula, Eastvale, Lake Elsinore, Winchester, Moreno Valley, Yucaipa, Beaumont, Banning, Hemet, San Jacinto, Palm Springs, Cathedral City, Palm Desert, Bermuda Dunes, Indio, La Quinta, Rancho Mirage, Cherry Valley, Highland, Calimesa, Morongo, Rialto, El Cerriito, Jurupa Valley, Walnut, Hacienda Heights, La Habra, La Mirada, Buena Park, Norwalk, Downey, Long Beach, Seal Beach, Rancho Bernardo, Poway, Escondido, San Marcos, Vista, Hidden Meadows, Fallbrook, Bonsall, Carlsbad, Del Mar, Rancho Santa Fe, Fairbanks Ranch, 4S Ranch, Scripps Ranch, Carmel Mountain

2033 Cecilia Cir, Corona, California, United States 92881


The Window Guys

See All Reviews
The Window Guys is rated 4.7 out of 5 by 62.
Rated 5 out of 5 by from The WindowGuys were professional, timely and excellent in the installation of my windows and garden window, The WindowGuys were professional, timely and excellent in the installation of my windows and garden window. Their prices were competitive. I was very impressed with the workmanship and highly recommend them to others looking for Milgard Window installers.
Date published: 2014-07-09
Rated 5 out of 5 by from Great service and price! I ordered these windows a few weeks ago but haven't had them installed yet but I am looking forward to it because it will save me money in the long run and they look great!
Date published: 2023-01-31
Rated 5 out of 5 by from So happy with our new windows We ordered replacement windows for our new home. They still had the original windows that came with the home in 1964. Now it’s quieter and better insulated in our new home. Installation was fast. The crew were friendly and professional as well as respectful of the property. They cleaned up after the process.
Date published: 2022-10-17
Rated 5 out of 5 by from Project completed Replaced a window with a glass door and side panel Great looking product Superior workmanship from demo to completion in one day Can not tell that it was done as a retro really happy with The window guys company
Date published: 2022-10-08
Rated 5 out of 5 by from Polite, professional installers!! The Window Guys were great. The estimator was friendly and efficient, the office team was great, and the installers did a great job.
Date published: 2022-09-14
Rated 5 out of 5 by from Quality windows I had these installed about a month ago on all our windows and these windows are amazing
Date published: 2022-09-01
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