Garbage Disposal Installation Cost Calculator
Estimate the cost of garbage disposal installation based on unit size, horsepower, and whether a new circuit is needed.
Last updated: March 25, 2026
Garbage Disposal Installation Cost Calculator
Estimate the cost of garbage disposal installation based on unit size, horsepower, and whether a new circuit is needed.
Estimated Total
$406
Itemized Breakdown
This calculator provides estimates based on national averages adjusted for your region. Actual costs may vary significantly based on specific project conditions, contractor availability, material prices, and local market factors. Always get at least 3 quotes from licensed, insured contractors before starting your project.
Want the full picture?
Read our complete Garbage Disposal Installation cost guide with material comparisons, contractor tips, savings strategies, and regional pricing data.
Quick Cost Reference
Cost by Tier
Basic 1/3-1/2 HP unit (InSinkErator Badger or similar) replacing an existing disposal on an existing circuit. No new wiring needed.
3/4 HP mid-range unit (InSinkErator Evolution or Moen) with quiet operation, replacing existing disposal or doing first-time install with existing outlet nearby.
1 HP or higher premium unit with multi-stage grinding, quiet motor, and auto-reverse. First-time install requiring a new dedicated circuit from panel.