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

Building a house in Pennington County, South Dakota costs approximately $160 per square foot in 2026 for mid-range construction. A 2,000 sq ft home runs about $320,000.

Is Pennington County more or less expensive to build in than the rest of South Dakota?

Pennington County is 2% more expensive than the South Dakota state average. The state average is $157/sq ft while Pennington County runs $160/sq ft.

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Pennington County Home Building Costs

Building a house in Pennington County, South Dakota costs about $160/sq ft in 2026 — roughly $320,000 for a 2,000 sq ft mid-range home (construction only, land excluded). Population: 112,000.

County $/sq ft

$160

South Dakota avg: $157

vs State Average

+2%

Local market premium

2,000 sq ft home

$320,000

Mid-range estimate

Local Market Factors

›Rapid City/Black Hills
›Tourism premium, Mount Rushmore area

Cost by Home Size in Pennington County

Home Size	Basic	Mid-Range	Premium
500 sq ft	$59,149	$80,000	$108,936
1,000 sq ft	$118,298	$160,000	$217,872
1,500 sq ft	$177,447	$240,000	$326,809
2,000 sq ft	$236,596	$320,000	$435,745
2,500 sq ft	$295,745	$400,000	$544,681
3,000 sq ft	$354,894	$480,000	$653,617
4,000 sq ft	$473,191	$640,000	$871,489
5,000 sq ft	$591,489	$800,000	$1,089,362

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 1.02× applied to South Dakota state average (which itself is 0.88× 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.