Cornerstone Development
Sussex, WI 2–10 employees 1 principals
Last updated by Dawn
About Cornerstone Development
Cornerstone Development is a real estate operator headquartered in Sussex, WI. Cornerstone Development operates in Milwaukee, Wisconsin. Its investment focus is on Condominiums and Single-Family Homes.
Cornerstone Development is a private real estate development and residential homebuilding company founded in 2004 and headquartered in Sussex, Wisconsin. The company has completed 22 years of continuous operations under the leadership of founder John W. Kuester. The regional enterprise maintains a workforce size of approximately 11 to 50 corporate and construction management employees. The business focuses on the design, construction, sales, and community management of low-maintenance residential housing assets. It specializes in single-story, ranch-style condominiums and single-family neighborhood developments designed primarily for active adults and downsizers. The operational framework handles entire neighborhood master-planning phases, including raw land entitlement, municipal approvals, infrastructure placement, and vertical residential construction. The organization's geographic footprint is concentrated across the Southeast Wisconsin region, with active developments spanning Waukesha, Milwaukee, Ozaukee, and Washington counties. The company currently manages seven active residential communities encompassing hundreds of housing units. Its localized portfolio includes projects such as The Grove in River Hills, featuring 51 standalone condominiums, and The Glen at Stonewall Farms, which contains 88 condominiums built across 81 acres. Additional master-planned assets include The Glen at Wanaki, The Glen at Muskego Lakes spanning 40 acres, The Glen at Pewaukee Lake, The Glen at Standing Stone, and Aspen Overlook, with properties located throughout Menomonee Falls, Waukesha, Grafton, and Muskego.