No matter if you need to sell or purchase a home or real estate, Heritage Homes and Realty can help from the beginning with a "one stop" shopping experience. Come see our display center in Onalaska where we have a large variety of homes to choose from. We specialize in being your general contractor for your entire home purchase at no additional fee when you purchase a home from us!... Heritage Homes and Realty reflects the changes in the housing market that has taken place since the Ryan family started in business in 1969.Originally established as Onalaska Mobile Home Sales, the business primarily sold single and multi-section mobile homes until 1976 when the Federal government under direction of HUD became involved in construction standards. The manufactured home had begun and started with the introduction of HUD. Their focus included design standards and in-plant governmental inspections which continue unchanged to this day. The Ryan family built one of the first manufactured home..