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Merrimack County Home Building Costs

2026 construction cost estimates for Merrimack County, New Hampshire. Population: 155,000.

County $/sq ft
$206
New Hampshire avg: $211
vs State Average
-2%
Local market premium
2,000 sq ft home
$412,000
Mid-range estimate

Local Market Factors

Cost by Home Size in Merrimack County

Home SizeBasicMid-RangePremium
500 sq ft$76,154$103,000$140,255
1,000 sq ft$152,309$206,000$280,511
1,500 sq ft$228,463$309,000$420,766
2,000 sq ft$304,617$412,000$561,021
2,500 sq ft$380,771$515,000$701,277
3,000 sq ft$456,926$618,000$841,532
4,000 sq ft$609,234$824,000$1,122,043
5,000 sq ft$761,543$1,030,000$1,402,553

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 0.98× applied to New Hampshire state average (which itself is 1.12× the national average of $188/sq ft).

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