Jefferson County Home Building Costs
Building a house in Jefferson County, Kentucky costs about $163/sq ft in 2026 — roughly $326,000 for a 2,000 sq ft mid-range home (construction only, land excluded). Population: 770,000.
Local Market Factors
- ›Louisville metro
- ›Most expensive in state
Cost by Home Size in Jefferson County
| Home Size | Basic | Mid-Range | Premium |
|---|---|---|---|
| 500 sq ft | $60,258 | $81,500 | $110,979 |
| 1,000 sq ft | $120,516 | $163,000 | $221,957 |
| 1,500 sq ft | $180,774 | $244,500 | $332,936 |
| 2,000 sq ft | $241,032 | $326,000 | $443,915 |
| 2,500 sq ft | $301,290 | $407,500 | $554,894 |
| 3,000 sq ft | $361,548 | $489,000 | $665,872 |
| 4,000 sq ft | $482,064 | $652,000 | $887,830 |
| 5,000 sq ft | $602,580 | $815,000 | $1,109,787 |
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 1.10× applied to Kentucky state average (which itself is 0.83× 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.