HouseBuildCalc is a free house building cost calculator for all 50 US states. We built it because most construction cost tools give you a single national average that isn't useful when costs vary 150% from Mississippi to California.
Our state-by-state estimates are based on NAHB survey data, regional builder association reports, HomeAdvisor construction data, and the US Census Bureau Survey of Construction.
These are estimates based on regional averages. Your actual cost depends on your specific lot, local contractor rates, design complexity, material choices, and current market conditions. Always get 3+ quotes from licensed local contractors. Our estimates do not account for land cost (which varies enormously), city-specific regulations, HOA requirements, or unusual site conditions.
Construction costs change with lumber prices, labor markets, and interest rates. We update our data periodically but recommend verifying with local builders.