Average Total Cost
$272k
2026 estimate
Cost Per Sq Ft
$147
Standard finish
Typical Home Size
1,850
sq ft average
Cost Index
1.10x
vs national avg
Free Instant Estimate
Get your exact New Hampshire construction cost — 14 categories, state-adjusted
Enter your zip code and project size. Results in 3 minutes.
How Much Does It Cost to Build a House in New Hampshire in 2026?
Building a home in New Hampshire in 2026 typically costs between $231,200 and $340,000, with most homeowners landing around $272,000 for a standard 1,850 square foot home. At $147 per square foot for a standard finish, New Hampshire sits above the national average of approximately $120 per square foot.
These figures reflect 2026 RSMeans construction data adjusted for New Hampshire's regional labor and material costs. The state cost index of 1.10x means that a project costing $200,000 nationally would cost approximately $220,000 in New Hampshire.
Cost by Home Size in New Hampshire
Home Size
Cost Range
Per Sq Ft
1,000 sq ft
$132,300 — $198,450
$147 — $198
1,500 sq ft
$198,450 — $297,675
$147 — $198
2,000 sq ft
$264,600 — $396,900
$147 — $198
2,500 sq ft
$330,750 — $496,125
$147 — $198
3,000 sq ft
$396,900 — $595,350
$147 — $198
Cost by Finish Level
Finish Level
Per Sq Ft
2,000 sq ft Total
Basic (builder-grade)
$125
$249,900
Standard (mid-range)
$147
$294,000
Premium (high-end)
$198
$396,900
Construction Costs by City in New Hampshire
Construction costs within New Hampshire vary significantly by city. Urban areas like Manchester tend to have higher labor costs, while smaller cities may offer 10–20% savings.
Manchester
$299,200
$162/sq ft avg
Nashua
$293,760
$159/sq ft avg
Concord
$277,440
$150/sq ft avg
Dover
$272,000
$147/sq ft avg
Rochester
$261,120
$141/sq ft avg
Salem
$285,600
$154/sq ft avg
Derry
$282,880
$153/sq ft avg
Londonderry
$288,320
$156/sq ft avg
Merrimack
$285,600
$154/sq ft avg
Portsmouth
$299,200
$162/sq ft avg
Hudson
$285,600
$154/sq ft avg
Keene
$266,560
$144/sq ft avg
Laconia
$263,840
$143/sq ft avg
Hampton
$293,760
$159/sq ft avg
Goffstown
$277,440
$150/sq ft avg
Milford
$277,440
$150/sq ft avg
Exeter
$288,320
$156/sq ft avg
Windham
$293,760
$159/sq ft avg
Hooksett
$280,160
$151/sq ft avg
Conway
$266,560
$144/sq ft avg
Key Factors Affecting Construction Costs in New Hampshire
Location within New Hampshire
Urban vs rural can mean a 15–25% cost difference. Manchester is typically the most expensive market.
Foundation Type
Slab foundations are most affordable. Basements can add $30,000–$60,000 to your budget.
Labor Availability
Skilled trades remain in short supply in 2026. Plan for 6–10 week delays on subcontractor scheduling.
Material Costs
Lumber remains elevated. Budget 8–12% contingency for framing material price fluctuations.
Permits & Code
New Hampshire permits typically cost $1,500–$5,000 depending on municipality and project scope.
Build Timeline
A typical home in New Hampshire takes 8–14 months from breaking ground to move-in in 2026.
Free Calculators for New Hampshire Homeowners
What Is Included in These Cost Estimates?
Our New Hampshire construction cost estimates include 14 CSI categories: general conditions, site work, foundation, structural framing, roofing, windows and doors, exterior finish, insulation, drywall, flooring, plumbing, HVAC, electrical, and cabinetry. Each category shows both labor and material costs separately.
These estimates also include New Hampshire state sales tax, labor burden (10%), general contractor overhead and profit (15%), and a 5% contingency giving you a true all-in project cost, not just a base construction number.
Costs do not include land, land development, site utilities connection, architect fees, or furniture and appliances. These items typically add $50,000–$150,000+ depending on your lot and specifications.
Need a floor plan first?
Browse ready-to-build house plans designed for New Hampshire
Architect-designed plans with full construction sets instant download
Do You Have a Floor Plan for New Hampshire?
Before you can estimate construction costs, you need a plan. If you are still searching for the right design, Modern Villa Plans offers a curated collection of architect-designed house plans suited to New Hampshire's climate and building codes. Once you have your plan, come back and get your cost estimate in minutes.
14-Category Cost Breakdown
Get your full New Hampshire construction cost report $19.99
Labor vs materials, state-adjusted, instant PDF · Same quality as a $400 contractor estimate
Frequently Asked Questions Building in New Hampshire
How much does it cost to build a house in New Hampshire in 2026?
The average cost to build a house in New Hampshire in 2026 is $272,000 for a standard 1,850 sq ft home. Costs range from $231,200 to $340,000 depending on finish level, location, and project complexity. At $147 per square foot, New Hampshire is above the national average of $120/sq ft.
How long does it take to build a house in New Hampshire?
Most new home construction in New Hampshire takes 8 to 14 months from breaking ground to move-in. This includes permitting (1–3 months), foundation and framing (2–3 months), mechanical rough-ins (1–2 months), and finishes (2–3 months). Custom homes or complex sites can take 16–24 months.
Do I need a permit to build a house in New Hampshire?
Yes. All new residential construction in New Hampshire requires a building permit. Permit costs typically range from $1,500 to $5,000 depending on the municipality and project size. Your general contractor typically handles permit applications, but the cost should be included in your budget from the start.
What is the cheapest way to build a house in New Hampshire?
The most effective ways to reduce construction costs in New Hampshire are: choosing a simple rectangular floor plan (reduces framing complexity), selecting builder-grade finishes (saves $22/sq ft vs premium), building on a flat lot (avoids expensive site work), and getting at least 3 contractor bids. A basic 1,500 sq ft home in New Hampshire can be built for as little as $187,425.
Is it cheaper to build or buy a house in New Hampshire?
In most New Hampshire markets, buying an existing home is currently cheaper upfront than building new. However, new construction offers modern energy efficiency, no renovation surprises, and full customization. Building makes more sense when you have a specific lot, need custom features, or existing inventory in your target area is limited.
What is included in a construction cost estimate for New Hampshire?
A complete New Hampshire construction estimate includes: site work and foundation, structural framing, roofing, windows and doors, exterior finish, insulation, drywall, flooring, plumbing, HVAC, electrical, and cabinetry. It should also include New Hampshire sales tax, labor burden (10%), GC overhead and profit (15%), and a 5% contingency. Costs not typically included: land purchase, land development, utility hookups, architect fees, and furnishings.