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Cornerstone Windows & Patio Doors
- Windows Installation
- Torrance, CA
About this business
Cornerstone Windows & Patio Doors is a full-service replacement window company in business since 1998. Cornerstone installs quality window products from Simonton and Milgard, along with entry doors and shutters. 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 ta... read more
Location details
3545 Lomita Blvd unit a, Ste A, Torrance, CA, 90505, United States
Get directions| Weekday | Schedule | Status |
|---|---|---|
| Mon | 9:00 a.m. to 2:00 p.m. | |
| Tue | 9:00 a.m. to 2:00 p.m. | |
| Wed | 9:00 a.m. to 2:00 p.m. | |
| Thu | 9:00 a.m. to 2:00 p.m. | |
| Fri | Closed | |
| Sat | Closed | |
| Sun | Closed |
We about a dozen windows and all of our doors replace. Inside and out. Great experience! Very professional, on time and they pay attention to the detail. Would recommend to anyone.
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 both of them, were very knowledgeable and efficient. They covered every detail including clean up, moulding details, educating us on care, and answering all of our questions. We are very happy with the price, process, and quality of the work. We saw significant improvements in noise r... read more
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 time. They completed the project in a day! We are happy with their work.
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, leaked, and they were unable to resolve it despite two return visits. Tony, who was present for all of this work and who I dealt with the entire time, ultimately decided to abandon the project after the third failure of the roof. Then if that wasn’t enough, you can see on another popular r... read more
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, leaked, and they were unable to resolve it despite two return visits. Tony, who was present for all of this work and who I dealt with the entire time, ultimately decided to abandon the project after the third failure of the roof. Then if that wasn’t enough, you can see on another popular r... read more
Frequently asked questions about Cornerstone Windows & Patio Doors
How is Cornerstone Windows & Patio Doors rated?
Cornerstone Windows & Patio Doors has a 4.4 star rating with 17 reviews.
When is Cornerstone Windows & Patio Doors open?
Cornerstone Windows & Patio Doors is open now. It will close at 2:00 p.m.
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