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New Haven County Home Building Costs

Building a house in New Haven County, Connecticut costs about $240/sq ft in 2026 — roughly $480,000 for a 2,000 sq ft mid-range home (construction only, land excluded). Population: 860,000.

County $/sq ft
$240
Connecticut avg: $229
vs State Average
+5%
Local market premium
2,000 sq ft home
$480,000
Mid-range estimate

Local Market Factors

Cost by Home Size in New Haven County

Home SizeBasicMid-RangePremium
500 sq ft$88,723$120,000$163,404
1,000 sq ft$177,447$240,000$326,809
1,500 sq ft$266,170$360,000$490,213
2,000 sq ft$354,894$480,000$653,617
2,500 sq ft$443,617$600,000$817,021
3,000 sq ft$532,340$720,000$980,426
4,000 sq ft$709,787$960,000$1,307,234
5,000 sq ft$887,234$1,200,000$1,634,043

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 Connecticut state average (which itself is 1.28× 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.