Question: roughly how much does it cost to build your own house?
Answer: On average, it'll cost $311,026 to build a house, or between $166,742 and $477,413. 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.