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 represents the region's high watermark for architecture, environment and experience. Offering executive offices, innovative light industrial and R&D facilities, luxury residences, boutique shopping, marquee restaurants and nature in a place that still feels like home, Cornerstone is a fully sustaining but compact environment that keeps growth at a human scale.

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