As of 2013, the average cost of construction per square foot when building a home is $95 per square foot, as stated by the National Association of Home Builders. This data is based on a 2013 survey that looked at the costs associated with building a single family home. The average price of a single family home is $246,453.
Interior finishes, framing components and exterior finishes are three areas that significantly affect a home's construction cost per square foot. In addition to the cost of construction, costs associated with financing, overhead expenses, marketing expenses, overhead costs, sales commission and profit are the components that compose the construction cost of a home.