Roofer cost calculator

Plan a roofer project with a deterministic range derived from the national cost-guide seed. Adjust scope, size, quality tier, and state before requesting quotes.

All calculatorsroofersq ft
sq ft

Area: 500-6,000 sq ft

Quality tier
Model estimate

$8,100-$21,600

Typical target: $12,400

Estimated range
Low: $8,100High: $21,600

Real permit data

Median $9,500 · typical $5,000$17,400 · from 74,465 real building permits (1987-2026)

See the Real Cost Index

Planning estimate, not a quote - request quotes from verified pros before hiring.

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Assumptions

  • Roofer: seed anchor roofer / Replace asphalt shingle roof (2000 sq ft).
  • Multipliers: trade 1.00x, scope 1.00x, quality 1.00x, size 1.00x.
  • No state selected: national seed average.

Model notes

This calculator is deterministic: the same inputs return the same range every time.

Seed anchor
roofer / Replace asphalt shingle roof (2000 sq ft)
Size model
2,000 sq ft baseline
State adjustment
51 seeded state multipliers
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