Build vs. Buy Calculator
Compare the true cost of building a new home against buying an existing one in your state. Uses 2026 construction cost data and median home sale prices.
Use the calculator above to generate a build cost estimate, or enter your build cost manually.
Should You Build or Buy in 2026?
The build-vs-buy decision is one of the most significant financial choices a homeowner makes. In 2026, the answer varies dramatically by state, budget, and personal priorities.
In high-cost coastal markets like California, New York, and Massachusetts, existing home prices have risen so dramatically that new construction — despite higher upfront costs — often produces a better value per square foot with modern amenities and zero deferred maintenance.
In Sun Belt markets like Texas, Georgia, and the Carolinas, a large contractor base and competitive labor markets mean building can be surprisingly affordable, often matching or beating existing home prices while delivering a fully customized product.
Hidden Costs of Building
- Land purchase (typically 15–25% of total project cost)
- Architect and engineering fees (7–12% of construction cost)
- General contractor overhead and profit (10–20%)
- Construction loan interest during the build period
- Permits, impact fees, and utility hookups ($3K–$25K+)
- Landscaping, driveway, and site work
- 10–15% contingency for cost overruns (almost always needed)
Hidden Costs of Buying
- Inspection issues and deferred maintenance
- Renovation costs to match your preferences
- Older systems (HVAC, roof, plumbing) with limited lifespan
- Higher ongoing energy costs in older, less-efficient homes
- HOA fees in many established neighborhoods
- Closing costs (2–5% of purchase price)