Hawaii County Home Building Costs
Building a house in Hawaii County, Hawaii costs about $332/sq ft in 2026 — roughly $664,000 for a 2,000 sq ft mid-range home (construction only, land excluded). Population: 200,000.
Local Market Factors
- ›Big Island
- ›Volcanic zone insurance and construction costs
Cost by Home Size in Hawaii County
| Home Size | Basic | Mid-Range | Premium |
|---|---|---|---|
| 500 sq ft | $122,734 | $166,000 | $226,043 |
| 1,000 sq ft | $245,468 | $332,000 | $452,085 |
| 1,500 sq ft | $368,202 | $498,000 | $678,128 |
| 2,000 sq ft | $490,936 | $664,000 | $904,170 |
| 2,500 sq ft | $613,670 | $830,000 | $1,130,213 |
| 3,000 sq ft | $736,404 | $996,000 | $1,356,255 |
| 4,000 sq ft | $981,872 | $1,328,000 | $1,808,340 |
| 5,000 sq ft | $1,227,340 | $1,660,000 | $2,260,426 |
Costs are estimates only and represent construction costs, excluding land, architect fees, permits, and landscaping. Add 30–40% to these figures for total project cost.
County multiplier of 1.06× applied to Hawaii state average (which itself is 1.75× the national average of $179/sq ft).
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). County-level multipliers are estimates derived from regional market data. For planning purposes only.