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.
Model estimate
$8,100-$21,600
Typical target: $12,400
Real permit data
Median $9,500 · typical $5,000–$17,400 · from 74,465 real building permits (1987-2026)
See the Real Cost IndexPlanning estimate, not a quote - request quotes from verified pros before hiring.
Request quotes from verified prosAssumptions
- 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