Roof replacement in New Hampshire runs $430–$715 per roofing square (100 sqft installed) in 2026 (5% below the US average). Use the calculator below to estimate squares and bundles for your roof, then apply these local rates for a full cost estimate.
2026 Installed Costs — New Hampshire (NH)
Per Roofing Square
$430–$715
architectural shingles, mat + labor
vs. US Average
5% ↓
National avg: $450–$750/square
Climate Note
Ice and water shield is required under New Hampshire building code; older slate roofs are common in older towns and require specialized repair skills.
Roof Area (flat / plan measurement)
Roof Pitch
Shingle Type
Price per Bundle
Waste Factor
15%Results
Enter roof area to calculate
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Roofing replacement (architectural shingles, materials + labor) in New Hampshire runs $430–$715 per roofing square (100 sqft) in 2026. The US average is $450–$750/square. Ice and water shield is required under New Hampshire building code; older slate roofs are common in older towns and require specialized repair skills.
The average single-story home in the US has a roof of 1,500–2,500 sqft of flat (plan) area, which translates to 15–25 roofing squares before pitch adjustment. At New Hampshire's rate of $430–$715/square, a typical roof replacement runs $7,310–$15,730 for a 1,700–2,200 sqft home.
New Hampshire roofing costs are 5% below the US average in 2026. Use the calculator above to estimate exact squares and bundle counts for your roof dimensions, then apply these local rates for a complete cost estimate.
Calculate exact squares and bundles for your roof dimensions.
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