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Cornerstone Development Succeeds Offering Appealing Lifestyle Options One suburban condominium developer continues to enjoy remarkable success with ranch-style condominium neighborhoods. Cornerstone Development of S.E. Wisconsin now counts The Glen of Mukwonago and The Glen at Seven Stones in Sussex as the latest additions to the company’s...

Apparently, Wisconsin is the place to go for an active, enjoyable life after age 50. At least, that’s what a new livability index from AARP says. Apparently, Wisconsin is the place to go for an active, enjoyable life after age 50. At least, that’s what a...

The Glen at Seven Stones Honored as ‘Best Development’ Sussex, WI – Cornerstone Development of SE Wisconsin LLC is excited and proud to announce that The Glen at Seven Stones condominium neighborhood in Sussex has earned the 2015 MBA Achievement Award for Best Development. The awards...