At Cornerstone, We’re in Your Corner

Family Owned Since 1970

When it comes to home improvement, windows, doors, and siding are some of your biggest investments. You want to choose the best products and get the most value for your money. That’s why we’re here. We’re your window, door, and siding insiders. We have tons of information to help make your decision informed and effortless. We’ll help you compare brands and steer clear of the win”duh” factor. Don’t pay less now just to spend a lot more in the future. Do yourself a favor and do your homework. Windows, doors, and siding are an investment, and if you make the right one, it will save you money in the future. Shop the smart way with Cornerstone.

Give us a call and we’ll help you find the best products for your home.

816-737-0601   or   913-244-6046

Me'Shelle Bishop standing in a tailored navy blue suit with short sleeves and long, beautiful, thick auburn hair that hangs over her shoulders and part way down the middle part of her upper arm. She is smiling and has her arms folded, appearing confident. She is standing in a lovely green house with many beautiful flowers in hanging post and sitting on wooden stands. There are about 100 flowers in the scene.
CHI Owner Me'Shelle Bishop

Quality / Service / Trust

Shop the smart way with Cornerstone

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Why Choose Us?

What Our Clients are Saying

“After receiving several bids from siding companies, we decided to go with Cornerstone. Their pricing was very competitive and they were by far the nicest to work with. We also like the fact that they’re family owned and operated! We would recommend them to anyone!!”

Stephanie and Steve H. - Steve’s Auto Service Raytown, MO

“Thanks so much for a job well done! I’m so happy to have finally replaced my old windows with new ones and to have had such a great experience with Cornerstone in the process. I hope to do more business with you as time goes on. I will certainly continue to recommend Cornerstone Home Improvement with the utmost confidence.”

Juanita W. - Kansas City, MO.

“After receiving bids from 8 different companies, we decided to go with Cornerstone. They were the most thorough, down to earth, and we felt like we could trust them. Plus the price they started with was the price we got!”

James and Theresa W. - Lee’s Summit, MO

Who We Work With

ProVia Door - The Professional Way
WinCore - Windows & Doors
ViWinTEch Windows and Doors