Overview: The Glen at Muskego Lakes
Set within more than 40 acres of Wisconsin’s most beautiful landscapes, it’s a place designed for effortless living.
Transforming the Lives of Our Customers
In Modern Home Builders, founder John Wahlen explains how Cornerstone focuses on quality craftsmanship, thoughtful amenities, and lifestyle-driven design to truly transform the lives of homeowners.
Fix-It Show – 2/22/2025
John Wahlen makes an appearance on the Fix-It show.
Morning Blend: 2/21/2025
As seen on The Morning Blend, discover The Grove at River Hills, a community where exclusive living meets convenience.
Morning Blend: 9/13/24
John Wahlen of Cornerstone Development introduces The Grove in River Hills—a new exclusive condominium community offering stand alone, ranch-style condominium homes.
Morning Blend: 3/22/24
John Wahlen of Cornerstone Development discusses how their new Pewaukee neighborhood offers the best of both worlds: standalone homes with condominium-style services.