Cheapest States
Where to build for less
Mississippi ($90/sqft), Arkansas ($90/sqft), Oklahoma ($105/sqft), and Alabama ($89/sqft) are the most affordable states for new construction in 2026 — often 30–50% cheaper than coastal markets.
Most Expensive
Where costs are highest
Hawaii ($263/sqft), California ($200/sqft), New York ($199/sqft), and Massachusetts ($190/sqft) lead the nation. A 2,000 sq ft home costs $526,000 in Hawaii vs $180,000 in Mississippi — a $346,000 difference.
Data Source
2026 RSMeans Construction Data
All costs use 2026 RSMeans data — the industry standard used by architects, engineers, and GCs nationwide. State cost index applied per location. For a ZIP-adjusted 14-category breakdown, get your full estimate.