Cost to Build a 500 sq ft Home in 2026
A 500 sq ft home costs $89,300 to build in 2026 at the national average ($78,584–$100,016 range), based on our index of 876,000+ real building permits and NAHB data. That works out to $179 per square foot for mid-range finishes.
Tiny home or ADU. Costs vary by state, quality tier, and architectural style — use the calculator below for your location.
Estimated Build Cost in Texas
Range: $72,297 – $92,015
Configure Your Build
Upgraded finishes, quality materials
Mid-Range Finish Includes
- • Quartz countertops
- • Hardwood floors
- • Semi-custom cabinets
- • Upgraded fixtures
Line-Item Estimate
* Excludes land cost, which varies widely by location. Add $20,000–$200,000+ depending on your area.
Cost to Build 500 sq ft Home by State (Mid-Range)
| State | Total Cost | Per Sq Ft | vs National |
|---|---|---|---|
| Mississippi | $69,654 | $139/sq ft | -22% |
| Arkansas | $71,440 | $143/sq ft | -20% |
| Alabama | $73,226 | $146/sq ft | -18% |
| Texas | $82,156 | $164/sq ft | -8% |
| Colorado | $98,230 | $196/sq ft | +10% |
| Washington | $105,374 | $211/sq ft | +18% |
| California | $129,485 | $259/sq ft | +45% |
| New York | $132,164 | $264/sq ft | +48% |
| Hawaii | $156,275 | $313/sq ft | +75% |
About 500 sq ft Home Costs in 2026
Based on our index of 876,000+ real building permits, a 500 sq ft home (Tiny home or ADU) costs approximately $89,300 to build at mid-range quality nationally — or $179 per square foot. This is one of the most commonly built home sizes in the U.S., per NAHB housing starts data.
Costs range from $66,025 for basic builder-grade construction to $121,600 for premium custom finishes — a 84% spread driven primarily by interior finishes, which account for 14–21% of total construction cost according to NAHB data. Other major drivers are your state's labor index, finish quality, and architectural complexity.
These estimates cover construction costs only and exclude land purchase, which can add $20,000–$500,000+ depending on location. Always get 2–3 bids from licensed general contractors for your specific site.
Cost data: HouseBuildCalc Permit Cost Index (876,000+ building permits, 1,700+ ZIP codes), U.S. Census Bureau Survey of Construction, BLS Producer Price Index, NAHB Cost of Constructing a Home (published summaries). For planning purposes only — get professional quotes for your specific project.
Data updated June 15, 2026 · Methodology