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Cornerstone Windows & Doors
27 Years of Experience
Cornerstone Windows & Patio Doors is a full service replacement window company in business since 1999. Cornerstone installs quality window products from Simonton and Milgard. Cornerstone's sales approach is low key and realizes an informed ...... Show More
Family Owned & Operated
27
years of experience
Location & Business Hours
Business Hours
Wed
9 AM to 5 PM
Thu
9 AM to 5 PM
Fri
9 AM to 5 PM
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Reviews from Web
Cornerstone completed our entire condo with 3 sliding doors and 6 windows on Oct 31, 2024. Several were very large on both doors and windows. The owner and his son were outstanding and the work was top notch. The crew brought in, which included...
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Cornerstone Windows and Patio Doors was very helpful in helping us replace a door and window in our bedroom. Our measurements were not standard and Tony worked with us to find what we needed. Cornerstone professional, neat, courteous and on...
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Cornerstone windows/Tony Szik installed and worked on a bay window + slider for me back in Jan/Feb, just before and between the record-breaking storms. The roof they built over the bay window repeatedly came apart at one of the ridge caps,...
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Our sliding door was leaking water at the base and ruining our wood floor. It was installed by another company. However, our windows were installed by Cornerstone over 10 years ago and we never had any leak issues. So I decided to call Cornerstone...
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Cornerstone windows and patio doors did a wonderful job on the installation of our new Patio sliding door. They were professional, neat, courteous and on time. They were in and out in less than 2 hours. They removed and took away the old door....
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Cornerstone was very easy to work with and did a great job! My sliding glass dual-pane patio door was shattered during a burglary, and Cornerstone was willing to replace it even though I had originally bought it from Home Depot. Each time I...
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We used Cornerstone for a very tricky curved window replacement project at my parents house. For the beginning Tony was great to work with, explaining to us our different options and encouraging us to come to his showroom to see samples. The...
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My first experience doing any home reno and this was a good one to have. Window orders made then a 3-4 week waiting period and once the windows came in Tony called and the next day they were installing! They were fast clean and very professional....
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Wow! First of all Tony and Tina ( owners) are wonderful. Tina could not have been more friendly and personable and Tony was awesome and very patient, giving me multiple bids due to me changing my mind on the types of windows I wanted. Tony,...
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Cornerstone Windows & Doors (Tony Szik, the owner) is very professional. I really appreciate how courteous and efficient he was with the repair of a window. He is licensed, was on time, very efficient and did a great job! We’ve been hiring...
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About
Cornerstone Windows & Patio Doors is a full service replacement window company in business since 1999. Cornerstone installs quality window products from Simonton and Milgard. Cornerstone's sales approach is low key and realizes an informed consumer makes the best decisions for his or her home. Most installations take only one day and normally do not involve dry wall or stucco damage. All employees are fully bonded and insured. Cornerstone does not employ any subcontractors. Cornerstone takes meticulous pre-sight measurements to insure all installations fit correctly and some products come with a glass and screen breakage warranty. Cornerstone is a proud supporter of a number of local high and grade school teams and activities in the South Bay area of Los Angeles.
Specialities
Windows
Doors
acoustic ceiling tiles - install
doors (interior) - install or replace
major home repair (general contractor)
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62
/850
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Amenities
- Free EstimatesYes
- WarrantiesYes
Year Started
1999
Licenses
- 565275
FAQs
Here are some Frequently Asked Questions about Cornerstone Windows & Doors
What services does Cornerstone Windows & Doors provide?
Cornerstone Windows & Doors offers a range of home service solutions, including Repairs & Installations, tailored to meet your specific needs.
Where does Cornerstone Windows & Doors operate?
Cornerstone Windows & Doors serves clients in Torrance, providing reliable and professional home services.
Does Cornerstone Windows & Doors have customer reviews or testimonials?
Yes, you can view verified customer reviews and ratings on our profile to see feedback from clients who have used our services.
How can I request a quote from Cornerstone Windows & Doors?
You can request a free quote by filling out the online form on the profile page or contacting the agency directly.
Where is Cornerstone Windows & Doors based out of?
Cornerstone Windows & Doors’s primary location is Torrance, CA.