Our business is dedicated to providing southern Wisconsin clients with professional building and remodeling services of the highest quality. Custom Homes, Additions, Kitchens and Baths, Standing Seam Metal Roofs, new construction or existing, you can have confidence in OSB to build it with integrity. OSB is a full service contractor offering complete construction services from foundation to finish trim. If you can dream it, OSB can build it. Your vision of a new custom home, new kitchen or bath, equestrian barn, machine shed or commercial building can be a reality. Contact us today for more information.