Home Renovations, Additions, and Custom Builds in Lake Geneva & Southern Wisconsin

Engerman Contracting has earned a reputation in Lake Geneva and throughout southern Wisconsin for delivering high-quality custom homes with thoughtful design, enduring craftsmanship, and attention to detail. As the area’s premier general contractor and custom home builder, we provide complete solutions for custom homes, design-build projects, renovations, and additions; from patios and outdoor spaces to kitchens, bathrooms, and full remodels.

As trusted general contractors in Lake Geneva and throughout Southern Wisconsin, we specialize in home renovations, additions, and custom home builds that bring your vision to life. Every project is unique and we approach it that way. Whether you are starting from scratch or expanding your existing space, we apply a custom-home mindset to every project. Our experienced team, including skilled in-house professionals and trusted subcontractors, manages the entire process from concept to completion while keeping you informed and involved at every stage.

At Engerman Contracting, everything starts with listening. We take the time to understand your lifestyle, your needs, and your goals. Then we bring together thoughtful design and expert craftsmanship to create spaces that fit your life—beautifully, practically, and personally.

We do not believe in cookie-cutter solutions. Every home we build, renovate, or expand is tailored to fit how you live—today and for years to come. We are proud to create distinctive, lasting homes throughout Southeastern Wisconsin.

Custom Homes

Update, Refresh, and Re-imagine Your Space
We collaborate with you and trusted architects to design a one-of-a-kind home that fits your land, lifestyle, and vision. From the first sketches to the final walk-through, we guide the entire process with care, communication, and craftsmanship. Learn More About our Design Build Process.

Home Renovations

Add Space That Feels Like It’s Always Belonged
Whether it’s a custom fireplace mantel or a full kitchen redesign, we help you transform your home with smart, thoughtful updates that feel like they have always belonged. Whether you are removing walls or modernizing finishes, our renovations are both beautiful and functional. Explore our renovation services to see how we can help you reimagine your space.

Home Additions

Add Space That Feels Like It’s Always Belonged
Need more space to live, work, or gather? Whether it’s a garage addition, basement finish, attic conversion, or outdoor living spaces, we create seamless, stylish expansions that enhance your home’s flow and functionality. Discover how our home addition services can help you create more space without compromising on design.

Let’s Design Something That Is Uniquely Yours

Whether you’re planning a custom home, a renovation, or an addition, Engerman Contracting is ready to bring your vision to life. Our experienced team, along with trusted subcontractor partnerships, delivers a seamless, high-quality experience from start to finish—no matter the size or scope of the project.

Reach out today to start the conversation and take the first step toward a home that truly fits your life.

View Our Latest Renovation

See how we transformed a 1970s Lake Geneva ranch into a modern, Mid-Century-inspired home. From an expanded master bedroom to a fully redesigned attic, thoughtful renovations and expert craftsmanship turned “good bones” into a stunning space for family and lifestyle.