Roof replacement in Delaware runs $475–$790 per roofing square (100 sqft installed) in 2026 (5% above 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 — Delaware (DE)
Per Roofing Square
$475–$790
architectural shingles, mat + labor
vs. US Average
5% ↑
National avg: $450–$750/square
Climate Note
Coastal Sussex County requires high-wind rated shingles (110 mph+); northern Delaware follows standard northeast building code.
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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Try Suparate FreeCheck Sussex County coastal building codes before quoting
Delaware's southern coastal areas have additional wind-resistance requirements for roofing, siding, and fencing. Verify local jurisdiction requirements before submitting any proposal in Sussex County.
Roofing replacement (architectural shingles, materials + labor) in Delaware runs $475–$790 per roofing square (100 sqft) in 2026. The US average is $450–$750/square. Coastal Sussex County requires high-wind rated shingles (110 mph+); northern Delaware follows standard northeast building code.
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 Delaware's rate of $475–$790/square, a typical roof replacement runs $8,075–$17,380 for a 1,700–2,200 sqft home.
Delaware roofing costs are 5% above 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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