Johnson County Home Building Costs
Building a house in Johnson County, Kansas costs about $167/sq ft in 2026 — roughly $334,000 for a 2,000 sq ft mid-range home (construction only, land excluded). Population: 620,000.
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 | $61,737 | $83,500 | $113,702 |
| 1,000 sq ft | $123,473 | $167,000 | $227,404 |
| 1,500 sq ft | $185,210 | $250,500 | $341,106 |
| 2,000 sq ft | $246,947 | $334,000 | $454,809 |
| 2,500 sq ft | $308,684 | $417,500 | $568,511 |
| 3,000 sq ft | $370,420 | $501,000 | $682,213 |
| 4,000 sq ft | $493,894 | $668,000 | $909,617 |
| 5,000 sq ft | $617,367 | $835,000 | $1,137,021 |
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 $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.