Alterra Design Homes

We specialize in kitchen and bath remodeling, interior decorating, cabinets, countertops, decorative tile backsplashes, pleated shades and much more.

The Kenneth F. Sullivan Company, since 1937, has provided design and construction services for more than a thousand building projects. Whether conventional buildings or metal buildings its in-house architects, engineers and construction staff generates building concepts that meet client s financial requirements. As a design-build team, Sullivan Company provides guidance and expertise in the planning and construction of a wide variety of commercial, medical, educational and industrial facilities. The company has received various building and design awards. These reflect its goal to improve a client s company productivity, organize current and future functional requirements, reduce operating expenses and increase a building's resale value.

Dane Building Concepts is the premier choice for discerning homeowners in Madison, Verona, Fitchburg, Middleton, Sun Prairie and throughout Dane County. With over 15 years of hands-on experience, we specialize in custom-home construction, major remodels and thoughtful home additions that marry aesthetic vision with durable build quality. Jim and his team understand that every home has a story. Whether you're building a new custom residence, transforming a kitchen, renovating a bathroom, finishing a basement or adding on to your existing footprint, we treat each project with the precision and care you’d expect for your own home. From design-build planning through flawless execution to final walkthrough, we deliver transparent communication, clear timelines, and a level of service that fosters trust and comfort. Dane Building Concepts isn’t just another contractor - we’re your partner in creating a home that stands the test of time. If you’re seeking a builder who combines exceptional workmanship, thoughtful design and a proven reputation, look no further than Dane Building Concepts.