Question: what is the cost per square foot to build a house?
Answer: Cost to Build a House. On average, it'll cost $309,060 to build a house, or between $166,173 and $477,308. Spending an average of $100 to $200 per square foot means a 2,800-square-foot home costs $280,000 to $560,000 to build. Custom and luxury homes cost $200 to $500 per square foot.