General Contractor cost calculator
Plan a general contractor project with a deterministic range derived from the national cost-guide seed. Adjust scope, size, quality tier, and state before requesting quotes.
Model estimate
$13,000-$48,700
Typical target: $23,800
Real permit data
Median $21,500 · typical $5,200–$127,365 · from 1,145,131 real building permits (1986-2026)
See the Real Cost IndexPlanning estimate, not a quote - request quotes from verified pros before hiring.
Request quotes from verified prosAssumptions
- General Contractor: seed anchor general-contractor / Mid-range bathroom remodel.
- 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
- general-contractor / Mid-range bathroom remodel
- Size model
- 1 project units baseline
- State adjustment
- 51 seeded state multipliers