How you live is just as important as where you live. Cornerstone Development builds ranch-style condominiums and single family residences that you’ll be proud to call home!  Comfortable, effortless living with every convenience you desire at your fingertips. That’s life at a Cornerstone community. 

Headquartered in Sussex, Cornerstone Development is Southeast Wisconsin’s preeminent developer and builder of ranch-style condominium communities and beautiful single-family homes. Our dedication to providing homeowners with a carefree, enriching lifestyle has earned us a robust following and an exceptional industry reputation. When you live in a Cornerstone neighborhood, you can savor the quality of workmanship that we’ve brought to every home for the past 25 years.

Cornerstone is excited to bring you two beautiful communities in the City of Waukesha, The Glen at Standing Stone, and Aspen Overlook! Located just off Tenny Ave between E Sunset and 164. Other communities include Pewaukee, Muskego, Menomonee Falls, Grafton and River Hills.