Cost to Build a 4,000 sq ft Home in New Hampshire (2026)
Building a 4,000 sq ft two-story home in New Hampshire costs approximately $704,113–$896,143 for mid-range finishes.New Hampshire has a construction cost multiplier of 1.12× the national average.
Basic
Builder-grade finishes
$591,584
$148/sq ft
MOST COMMON
Mid-Range
Quality materials
$800,128
$200/sq ft
Premium
Custom high-end
$1,089,536
$272/sq ft
Estimated Build Cost in New Hampshire
$800,128
Range: $704,113 – $896,143
$200
per sq ft
$4,254/mo
est. mortgage
Configure Your Build
5004,0008,000
Upgraded finishes, quality materials
20% ($160,026)
3%20%50%
Mid-Range Finish Includes
- • Quartz countertops
- • Hardwood floors
- • Semi-custom cabinets
- • Upgraded fixtures
Loading chart…
Line-Item Estimate
4,000 sq ft · mid quality
🏗️Foundation & Concrete
Full basement or reinforced crawl space
$80,013
10%
🪵Framing & Structure
Advanced framing techniques, engineered lumber
$128,020
16%
🏠Exterior & Roofing
Fiber cement siding, architectural shingles
$104,017
13%
⚡HVAC / Plumbing / Electrical
High-efficiency HVAC, PEX plumbing, 200A service
$144,023
18%
🧱Insulation & Drywall
Blown-in insulation, smooth-finish drywall
$56,009
7%
🎨Interior Finishes
Quartz counters, hardwood floors, semi-custom cabinets
$128,020
16%
Total Estimate
Range: $704,113 – $896,143
$800,128
$200/sq ft avg
* Excludes land cost, which varies widely by location. Add $20,000–$200,000+ depending on your area.
Building a 4,000 sq ft Home in New Hampshire
Key Considerations
- → No state sales tax on materials
- → Granitic bedrock may require blasting
- → Short summer build season
- → Deep frost line
Cost Summary
State cost multiplier1.12×
Labor index1.12×
Typical permit cost$3,200
4,000 sq ft basic$591,584
4,000 sq ft mid$800,128
4,000 sq ft premium$1,089,536