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Premier Window & Glass Installation Since 1969

At Preferred Glass & Windows, we have earned a reputation for prompt, efficient, and ethical service. We are League of California Homeowners approved, and we have been several times voted the #1 Glass and Window Company. All of our glass and window installers are AAMA certified, and we never subcontract our work. This means that we can provide you with a lifetime guarantee on all installations. We provide quality products and workmanship at the best prices.


The Whole Experience was Easy and Positive!

We recently had a very large window replaced in my mom's bedroom. The price was lower than other company's bids for a better window. The 3 installers who came were very professional and cleaned up after the window was installed. Courtney was very helpful. The whole experience was easy and positive! My mom loves her new window! Thanks Preferred Glass & Window.

Meredith H.

Northridge, CA

Highly recommend!

I have now lived in Valencia for 5 years. Preferred Glass installed my new Milgard windows at a good price with very good workmanship. Over the years I have had a few problems with the windows (manufacture), Preferred has always taken care of it in a timely manner and even remember my name when I call. You don't find companies like this very often, history, customer service and reliability. Highly recommend.

Cindy B.

Valencia, CA

I Got a Good Deal and Great Advice

I needed to have my glass shower door plastic sweep and vertical sweep replaced. I spoke to Courtney who indicated it cost $150 dollars for a home visit and measurements. There was an additional cost for materials and return for installation. After my initial shock she indicated I could bring the parts in and they would measure and custom cut them to fit my shower. Thus no installation charge nor visit costs. I dreaded removing the bottom sweep so I just measured it and went to Preferred glass with the side sweep. I showed it to Courtney and she demonstrated, using a shower installation, how I could remove and install the bottom sweep. I nice young man (who I did not get his name) took my piece of the side sweep and cut it precisely to fit my enclosure. He demonstrated how it would fit using their shower display. It would fit on the none moving side instead of the door like I had it prior. He cut a notch at the bottom to specifically fit the bottom sweep. I thus paid $79.00 dollars for both the vertical and horizontal sweeps. When I went home I removed the bottom sweep just as Courtney had demonstrated. No problem. The only difficulty I had was the old sweep had been sealed thus I had to scrape some of the old sealant off. Both sweeps fit perfectly. Thus I got a good deal and great advice. My thanks.

Harry N.

Sylmar, CA

Best price out of several bids

Had new shower glass installed. We just wanted to make our master bath shower look better. It looks even better than we expected. Best price out of several bids. Everyone we dealt with was professional, timely and very nice. They told us it would take about 2 weeks for install because of special order. Then they turned it around and installed it in about 4 days.

Jeff S.

Stevenson Ranch, CA

I cannot say enough good things about Preferred Glass!

They installed a new sliding glass door and seventeen windows for our remodeling project. Our town home is 15 years old. The installation was flawless and professionally completed on time. We couldn't be happier. Great pricing and customer service also. Thanks Courtney!

Anthony D.

Santa Clarita, CA

My House Looks Great with it's New Windows

I just used Preferred Glass and Windows to retrofit 8 windows in my house. I had great service from the company, the sales guy was nice, the guy who came out to measure up was great and the guys who came and installed were great. The only issue I have is that sending one guy out to 'get started' and then have a second guy turn up only in the late afternoon meant that basically one worker did everything and it took two days (Friday and Monday). Honestly if two guys had been there all day, I'm sure the job would have been completed in one day. There was an issue with one of the windows that was set crooked but after pointing it out, it was removed and put in correctly without question. Reading some of these other reviews I can see that a lot of people seem to think customer service is bad but honestly, although a couple of emails were a little abrupt, (a one or two word answer to an email could be construed as a little unprofessional) I found everyone I dealt with polite, timely and accurate. What more can you ask for really? OK, a whole sentence would be nice, but maybe that's just me? Bottom line, my house looks great with it's new windows, I have a smaller job that I need doing and will definitely be calling Preferred. Thanks guys!

Susan F.

Torrance, CA

Great customer service and convenient location!

Came for a custom piece of glass to replace a broken pane from a kitchen cabinet. They seem to have an endless selection of glass - from custom cut pieces to shower door enclosures to windows. Great customer service and convenient location. Thanks Courtney!

Sandee F.

Canyon Country, CA

I definitely recommend Preferred Glass!

Preferred Glass was awesome! Danny and Trent were great! Very professional, friendly and efficient! I am very happy with the service provided by them and appreciate the follow up call by Courtney. I definitely recommend Preferred Glass! Thank you!

Tammy L.

Santa Clarita, CA

Contact Our Glass & Window Installers at Preferred Glass & Windows Today!

 (661) 255-1170 & (818) 360-3667

Contact Our Glass & Window Installers at Preferred Glass & Windows Today!