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Boulder County Home Building Costs

Building a house in Boulder County, Colorado costs about $231/sq ft in 2026 — roughly $462,000 for a 2,000 sq ft mid-range home (construction only, land excluded). Population: 325,000.

County $/sq ft
$231
Colorado avg: $196
vs State Average
+18%
Local market premium
2,000 sq ft home
$462,000
Mid-range estimate

Local Market Factors

Cost by Home Size in Boulder County

Home SizeBasicMid-RangePremium
500 sq ft$85,396$115,500$157,277
1,000 sq ft$170,793$231,000$314,553
1,500 sq ft$256,189$346,500$471,830
2,000 sq ft$341,585$462,000$629,106
2,500 sq ft$426,981$577,500$786,383
3,000 sq ft$512,378$693,000$943,660
4,000 sq ft$683,170$924,000$1,258,213
5,000 sq ft$853,963$1,155,000$1,572,766

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 1.18× applied to Colorado state average (which itself is 1.10× 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.