Johnson County Home Building Costs
2026 construction cost estimates for Johnson County, Kansas. Population: 620,000.
County $/sq ft
$176
Kansas avg: $160
vs State Average
+10%
Local market premium
2,000 sq ft home
$352,000
Mid-range estimate
Local Market Factors
- ›Kansas City suburb
- ›Highest costs in state
- ›Affluent market
Cost by Home Size in Johnson County
| Home Size | Basic | Mid-Range | Premium |
|---|---|---|---|
| 500 sq ft | $65,064 | $88,000 | $119,830 |
| 1,000 sq ft | $130,128 | $176,000 | $239,660 |
| 1,500 sq ft | $195,191 | $264,000 | $359,489 |
| 2,000 sq ft | $260,255 | $352,000 | $479,319 |
| 2,500 sq ft | $325,319 | $440,000 | $599,149 |
| 3,000 sq ft | $390,383 | $528,000 | $718,979 |
| 4,000 sq ft | $520,511 | $704,000 | $958,638 |
| 5,000 sq ft | $650,638 | $880,000 | $1,198,298 |
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 Kansas state average (which itself is 0.85× the national average of $188/sq ft).