Cornerstone is a 640-acre mixed-use environment in Grayslake, IL, that brings together offices, light industrial, R&D, luxury residences, shopping, and marquee restaurants in the heart of Lake County.

development team

JV Partners

The Alter Group Ltd.

The Alter Group is one of the nation’s Top 5 commercial real estate development companies. Under the leadership of President, Michael Alter, The Alter Group is charting a new course for cooperative partnerships with government entities to ensure the mutual goals of synergistic and quality growth. In 2010, The Alter Group was honored by NAIOP as its National Developer of the Year.

Edward R. James Partners LLC

Development partner, Edward R. James Partners LLC is known for new and innovative approaches to the design of residential units, and more importantly, integrating design with quality landscaping in a way that changes and enhances projects for generations to come. Development is more than building on the land; it is about building to the land with thoughtful planning, contextual architecture and integrated landscaping that together respect the environment and provide lasting value.

Governmental & Economic Development Partners