How Much Does Garbage Disposal Installation Cost?
Updated for 2026 — national average costs with state-by-state breakdowns
What Does Garbage Disposal Installation Include?
A garbage disposal grinds food waste so it can pass through your plumbing. Installation involves mounting the unit under your kitchen sink, connecting the plumbing, and wiring the electrical connection.
The national average cost for garbage disposal installation is $280 installed. Most homeowners pay between $150 and $500, though costs can vary significantly based on your location, the scope of work, and other factors outlined below.
What Affects the Price?
Unit Cost
1/3 HP: $50-$80. 1/2 HP: $80-$150. 3/4 HP: $150-$250. 1 HP: $200-$400
Installation
Replacement: $100-$200. New installation: $200-$400 (needs electrical and plumbing)
Electrical
Hardwired from existing: included. New outlet or switch: add $75-$200
Key Cost Factors
- ✓Disposal horsepower
- ✓Existing vs new installation
- ✓Electrical connection type
- ✓Plumbing modifications needed
- ✓Brand and features
💡 Tips to Save Money
- 1.Replacing an existing disposal is a quick job ($100-$200 labor) — some homeowners DIY it
- 2.1/2 HP units are fine for most households (no need for 1 HP unless heavy use)
- 3.Buy the unit yourself at a hardware store and hire just the install
- 4.InSinkErator and Waste King are reliable mid-range brands ($80-$200)
📈 Garbage Disposal Installation Cost Trends (2020–2024)
Prices have increased +17.6% over the last 5 years
| Year | National Avg | YoY Change |
|---|---|---|
| 2020 | $238 | — |
| 2021 | $248 | +4.2% |
| 2022 | $264 | +6.5% |
| 2023 | $271 | +2.7% |
| 2024 | $280 | +3.3% |
Based on national averages adjusted for annual inflation. Actual costs vary by location and project scope.
Garbage Disposal Installation Cost by State
Costs vary significantly by state due to labor rates, cost of living, and local market conditions. Click any state for a detailed breakdown.
| State | Low | Average | High |
|---|---|---|---|
| Alabama | $123 | $230 | $410 |
| Alaska | $192 | $358 | $640 |
| Arizona | $143 | $266 | $475 |
| Arkansas | $120 | $224 | $400 |
| California | $203 | $378 | $675 |
| Colorado | $162 | $302 | $540 |
| Connecticut | $183 | $342 | $610 |
| Delaware | $158 | $294 | $525 |
| Florida | $147 | $274 | $490 |
| Georgia | $135 | $252 | $450 |
| Hawaii | $213 | $398 | $710 |
| Idaho | $138 | $258 | $460 |
| Illinois | $158 | $294 | $525 |
| Indiana | $132 | $246 | $440 |
| Iowa | $129 | $241 | $430 |
| Kansas | $128 | $238 | $425 |
| Kentucky | $126 | $235 | $420 |
| Louisiana | $131 | $244 | $435 |
| Maine | $153 | $286 | $510 |
| Maryland | $173 | $322 | $575 |
| Massachusetts | $195 | $364 | $650 |
| Michigan | $138 | $258 | $460 |
| Minnesota | $153 | $286 | $510 |
| Mississippi | $117 | $218 | $390 |
| Missouri | $131 | $244 | $435 |
| Montana | $143 | $266 | $475 |
| Nebraska | $132 | $246 | $440 |
| Nevada | $153 | $286 | $510 |
| New Hampshire | $168 | $314 | $560 |
| New Jersey | $188 | $350 | $625 |
| New Mexico | $135 | $252 | $450 |
| New York | $198 | $370 | $660 |
| North Carolina | $135 | $252 | $450 |
| North Dakota | $135 | $252 | $450 |
| Ohio | $135 | $252 | $450 |
| Oklahoma | $125 | $232 | $415 |
| Oregon | $165 | $308 | $550 |
| Pennsylvania | $153 | $286 | $510 |
| Rhode Island | $173 | $322 | $575 |
| South Carolina | $131 | $244 | $435 |
| South Dakota | $128 | $238 | $425 |
| Tennessee | $129 | $241 | $430 |
| Texas | $140 | $260 | $465 |
| Utah | $143 | $266 | $475 |
| Vermont | $162 | $302 | $540 |
| Virginia | $158 | $294 | $525 |
| Washington | $173 | $322 | $575 |
| West Virginia | $120 | $224 | $400 |
| Wisconsin | $141 | $263 | $470 |
| Wyoming | $138 | $258 | $460 |
Frequently Asked Questions
How long do garbage disposals last?
Average lifespan is 8-15 years. Higher-end models with stainless steel components last longer. Signs of failure include frequent jams, leaks, persistent odors, and unusual noise.
Are garbage disposals bad for plumbing?
Not with proper use. Avoid putting grease, bones, fibrous foods (celery, artichokes), and non-food items down the disposal. Run cold water while operating and for 15 seconds after.
🏙️ Garbage Disposal Installation Cost by City
Compare garbage disposal installation costs in the most popular US cities:
View all 219 cities →
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Real costs reported by homeowners for Garbage Disposal Installation
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