How much does it cost to build a house in Kootenai County?

Building a house in Kootenai County, Idaho costs approximately $169 per square foot in 2026 for mid-range construction. A 2,000 sq ft home runs about $338,000.

Is Kootenai County more or less expensive to build in than the rest of Idaho?

Kootenai County is 3% more expensive than the Idaho state average. The state average is $164/sq ft while Kootenai County runs $169/sq ft.

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Kootenai County Home Building Costs

Building a house in Kootenai County, Idaho costs about $169/sq ft in 2026 — roughly $338,000 for a 2,000 sq ft mid-range home (construction only, land excluded). Population: 170,000.

County $/sq ft

$169

Idaho avg: $164

vs State Average

+3%

Local market premium

2,000 sq ft home

$338,000

Mid-range estimate

Local Market Factors

›Coeur d'Alene area
›Resort/lake community premium

Cost by Home Size in Kootenai County

Home Size	Basic	Mid-Range	Premium
500 sq ft	$62,476	$84,500	$115,064
1,000 sq ft	$124,952	$169,000	$230,128
1,500 sq ft	$187,428	$253,500	$345,191
2,000 sq ft	$249,904	$338,000	$460,255
2,500 sq ft	$312,380	$422,500	$575,319
3,000 sq ft	$374,856	$507,000	$690,383
4,000 sq ft	$499,809	$676,000	$920,511
5,000 sq ft	$624,761	$845,000	$1,150,638

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 1.03× applied to Idaho state average (which itself is 0.92× the national average of $179/sq ft).

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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.