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.


Cornerstone will create $2.3 billion in economic activity and generate 10,000 jobs directly (in addition to approximately 800 construction jobs during the development process) without taxing the region’s infrastructure. The windfall of new employment is projected to raise the average salary by 45% while promoting the use of public transportation and lowering commute time for all residents. We invite you to check back soon for more detailed information on the high quality office space which will comprise Lake County’s new economic engine.