Garbage Disposal Installation Cost Calculator (2026)

Estimate your garbage disposal installation cost

Unit powerMore horsepower grinds tougher waste and costs more. 3/4 HP suits most homes.Job typeA first-time install needs new wiring and a switch, which adds electrical work.InstallerA licensed plumber costs a bit more but ensures the plumbing is done to code.Your ZIP code (for local pricing)We use your ZIP to adjust the estimate to local prices in your area.

Number of units

Estimated cost

Get real garbage disposal installation quotes

Compare free, no-obligation quotes from vetted local pros near you.
Get my free quotes
Advertising disclosure: we may earn a commission from quote requests, at no cost to you.

Pricing from your areaEstimates adjust to local prices using your ZIP code.

Instant estimateAdjust options and see the cost update live.

No sign-upYour inputs stay in your browser.

Average garbage disposal installation cost

Scenario	Typical range (US)
Disposal unit only	$80 - $400
Replacement install	$150 - $450
New install (wiring + switch)	$400 - $950
1 HP unit (installed)	$250 - $600
Labor only	$100 - $300

What affects garbage disposal installation cost

Unit power and quality. Higher-HP and quieter models cost more.
New vs replacement. A first-time install adds electrical work for the outlet and switch.
Plumbing changes. New drain plumbing or dishwasher connections add cost.
Installer. Plumbers charge more than handymen but ensure code compliance.
Disposal of old unit. Hauling the old unit may add a small fee.
Location. Local labor rates vary.

Frequently asked questions

How much does garbage disposal installation cost?

Replacing an existing unit usually runs $150 to $450; a new install with wiring can reach $950.

What HP garbage disposal do I need?

3/4 HP handles most households well; 1 HP suits large families or frequent use.

Can I install a garbage disposal myself?

Replacing an existing unit is a common DIY job; a new install needing wiring is best left to a pro.

How long does a garbage disposal last?

With normal use, most last 8 to 12 years.

Does a new install cost more than a replacement?

Yes, because it adds an outlet, switch, and sometimes plumbing changes.

Compare quotes

Install pricing depends on the unit and whether wiring is needed. A couple of local quotes will confirm yours.

Get real garbage disposal installation quotes

Compare free, no-obligation quotes from vetted local pros near you.
Get my free quotes
Advertising disclosure: we may earn a commission from quote requests, at no cost to you.

Estimates are for general information only and are not professional or financial advice. Actual prices vary by home, materials, and contractor. Get a quote from a licensed pro. Last updated 2026-06-16.