Jefferson County Home Building Costs
2026 construction cost estimates for Jefferson County, Kentucky. Population: 770,000.
County $/sq ft
$172
Kentucky avg: $156
vs State Average
+10%
Local market premium
2,000 sq ft home
$344,000
Mid-range estimate
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 | $63,585 | $86,000 | $117,106 |
| 1,000 sq ft | $127,170 | $172,000 | $234,213 |
| 1,500 sq ft | $190,755 | $258,000 | $351,319 |
| 2,000 sq ft | $254,340 | $344,000 | $468,426 |
| 2,500 sq ft | $317,926 | $430,000 | $585,532 |
| 3,000 sq ft | $381,511 | $516,000 | $702,638 |
| 4,000 sq ft | $508,681 | $688,000 | $936,851 |
| 5,000 sq ft | $635,851 | $860,000 | $1,171,064 |
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 $188/sq ft).