Cornerstone Connection

Cornerstone Development doesn’t just build houses — they design communities with purpose. 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.

Our very own Joe Orendorf joins the Fix-It Show!

Cornerstone recently hosted a festive Luau for current and future residents of The Glen at Stonewall Farms. Guests enjoyed delicious food, lively music, and great company, celebrating community and connection in style. From smiles to shared moments, it was an afternoon full of fun and memories for all who attended.

Join Molly Faye as she visits Cornerstone Development in Grafton to explore this stunning community, The Glen at Stonewall Farms. In this episode of What’s Brewing, she sits down with owner John Whalen to tour beautifully designed, bright, and functional condominium homes, learn about flexible buying options, and discover the neighborhood’s standout amenities.

Skip the wait and step into the lifestyle you’ve been dreaming about. At Cornerstone Development, our move-in ready homes are beautifully finished, expertly crafted, and available now—no delays, no surprises. Whether you’re looking for peace of mind, a smooth process, or the perfect neighborhood to call home, it all starts here.

At Cornerstone, we believe home is more than four walls—it’s a lifestyle. Surrounded by the beauty of Wisconsin, our communities are thoughtfully designed with comfort, convenience, and connection in mind. From inviting homes and modern finishes to vibrant gathering spaces and outdoor adventures, Cornerstone is where every detail works together to help you live the life you’ve always imagined.