Cornerstone Windows & Doors

Cornerstone Windows & Doors is a contractor based in Torrance, CA. We don't have any additional information about Cornerstone Windows & Doors.

If this is your business, claim your profile to edit your company information, collect and respond to reviews, and answer questions from homeowners.

Leave the first review

Have you had work done by Cornerstone Windows & Doors? Let everyone know about your experience by leaving a review!

Leave review
Valerie K.

Review of System Pavers by

· Goleta

We had a great experience with System Pavers. They staff was responsive and we especially liked working with our project manager. He made suggestions and we talked through some concerns. By having this dialogue prior to the start of the project, we ended up with a better project overall. We are... more

Pam B.

Review of Reborn Cabinets, Inc. by

· Long Beach

Reborn Cabinets, Inc. was professional. They completed the project on schedule, to the day. All of the workers were very knowledgeable and were committed to doing an excellent job. I would highly recommend Reborn Cabinets, Inc.


Review of Lenton Company, Inc. by

· Valencia

Lenton Company is the only contractor that I would consider for our construction needs. They are professional and offer quality work. It is rare to find a construction company that presents itself as honestly as they do; they deliver what they say they will, and in a timely fashion.


Review of Precision Countertops, Inc. by


The scheduling was poorly handled. I was notified on 10-09-17 5:21 PM that the installers would be at my homebetween 11-2 PM on 10-10-17!! I had to cancel as that was not sufficient time for me to get the area free of everything plus I was scheduled to work!! The next good date that she could do... more

Are solar shingles a good option for my home?
Nov 21, 2016
Let's hear it for Elon Musk and his efforts to move the solar industry forward!  Solar shingles have lots of potential. Hopefully, Tesla and Solar City will get it right.  We used solar shingles about ... read more
Last edited Nov 21, 2016 3:01pm
With solar panels installed, is it true that you can eliminate the need for power from your local power company?
Feb 18, 2014
Here's the scoop: It all depends on your usage and how much room you have for panels, but we routinely knock out 100% of our clients' electricity bills. However, the system will almost certainly be wh ... read more

Learn why professional home builders and home improvement contractors join our community of quality.

Get started