Welcome to Keystone Builders, Inc.

Serving Northern Illinois and Southern Wisconsin for 20 years.

With over 70 years of combined building experience, Keystone Custom Builders takes pride in being one of the most reputable builders in Northern Illinois. We continue to achieve a high level of customer satisfaction by providing only the best in quality craftsmanship, reliability, and service.

Keystone can help you with all of your construction/remodeling needs. From building decks, remodeling kitchens and room additions to building your dream home to multi-million dollar residential and commercial projects. Relocate with Keystone Custom Builders and let us assist you in finding the appropriate lot location, new home design and direct you to financing professionals that you can trust to completely satisfy your real estate needs.

Keystone Custom Builders superior design team will work with you to achieve exactly what you are looking for. We will guide you through your project design with complete professionalism and work together to turn your building dreams into Reality!