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Yellowstone County Home Building Costs

2026 construction cost estimates for Yellowstone County, Montana. Population: 165,000.

County $/sq ft
$193
Montana avg: $184
vs State Average
+5%
Local market premium
2,000 sq ft home
$386,000
Mid-range estimate

Local Market Factors

Cost by Home Size in Yellowstone County

Home SizeBasicMid-RangePremium
500 sq ft$71,348$96,500$131,404
1,000 sq ft$142,697$193,000$262,809
1,500 sq ft$214,045$289,500$394,213
2,000 sq ft$285,394$386,000$525,617
2,500 sq ft$356,742$482,500$657,021
3,000 sq ft$428,090$579,000$788,426
4,000 sq ft$570,787$772,000$1,051,234
5,000 sq ft$713,484$965,000$1,314,043

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 1.05× applied to Montana state average (which itself is 0.98× the national average of $188/sq ft).

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