First, when buying a condo, you will have condo association dues including in your closing costs. If buyer a single family home located within a homeowners association, you will also have home owner association dues. When buying a condo, the dues will include in most cases, the exterior of the building home owners insurance. A separate policy is needed to cover contents. When purchasing a single family home, the home owners insurance policy must be purchased in total. With a condo, some utilities may be included in the HO dues, where in a single dwelling, they are not. There are a few small charges Title companies charge for a condo, and not for single family.