How much does it cost to install a garbage disposal?
Garbage disposal installation runs $225 for a basic 1/3 HP unit swap, $425 for a typical 1/2–3/4 HP install with new mounting, and $800+ for 1 HP batch-feed or septic-safe premium models.
Quick price points (2026)
| Scope | Cost | What it includes |
|---|---|---|
| Low | $225 | installed |
| Typical | $425 | installed |
| High | $800 | installed |
How to budget for this project
- Get 3 quotes
Get itemized quotes from at least three licensed contractors in your area.
- Adjust for your region
Compare the same scope and account for regional labor and permitting.
- Add 10–15% contingency
Hidden conditions, code upgrades and permit fees can increase the original quote.
- Plan the cash, not the financing
Build the replacement cost into the home's repair plan before the work becomes an emergency.