Since 1894 Dunn Lumber has been serving professional builders, remodelers, and homeowners throughout Walworth County, Southeastern Wisconsin and Northern Illinois. Our longevity and success have been built on a foundation of excellent customer service, quality products, and a highly-trained and professional sales staff. Our goal is simple; to help you find the right product at the right price.

Whether your project involves new construction, remodeling or repair, Dunn Lumber is prepared to guide your project from the foundation to the rooftop. Visit our 6,000-square-foot showroom to experience the newest trends in Kitchen and Bath Cabinetry, Windows, Exterior Door systems, Interior Door styles, along with siding and roofing alternatives.

We take pride in our associates; many have been with us over 10 years, some over 20 and several more than 30 years!

Located in Lake Geneva Wisconsin, Dunn Lumber features an 18,000-square-foot full-service Hardware Store and Rental Center with over 20,000 products in stock. So, whether you need framing lumber, treated lumber, composite decking, power tools or plumbing and electrical parts, Dunn Lumber is your convenient one stop shop.

Edward F. Dunn, Founder

Spahn & Rose Lumber Co. reaffirmed its commitment to contractor and homeowner customers with the acquisition of Lake Geneva, Wisconsin–based Dunn Lumber on February 28, 2019. Read more about the acquisition here.

We provide products & services that make it easier for contractors

and builders to operate their businesses efficiently and profitably.

Our Promise to Our Customers

We will value, appreciate and respect our customers and provide them with quality products and unmatched service that will make them happy.

Our Overriding Core Value

Trust, honesty and integrity are the foundations of strong relationships. We will not tolerate dishonest or unethical behavior. We will demonstrate these principles when we listen and respond to the needs of our customers, employees, communities and suppliers. We will accept responsibility for our actions. We will do the right thing.

Our Promise to Our Employees

We will maintain a work environment based on mutual respect and inclusion. We want all associates to feel they are respected, their contributions are valued and they have genuine access to growth and development opportunities. We encourage an open, family and team-oriented environment which is fun and enjoyable.

Core Values

Our Promise to Our Communities

We will give all of our time, talent, energy and resources to our communities through the Spahn & Rose Charitable Foundation as well as through associates who will seek to meet community needs through hands-on service.

Our Promise to Our Suppliers

We will offer quality products and materials to our customers from suppliers we trust. We will have ethical and professional relationships with vendors and are committed to having outstanding integrity in all of our dealings.

Our Promise to Our Shareholders

Our shareholders provide the capital which allows our company to exist. They expect and deserve a return on their investment. We will steward their investment wisely by operating a profitable company.