Basic
$200 – $534 each
1/3 to 1/2 HP continuous-feed disposal with galvanized grind parts, new mount, drain and dishwasher connection

Supply and install one 1/3 to 3/4 HP garbage disposal under an existing sink with existing wiring, unit plus labor.
Garbage Disposal in Washington, District of Columbia typically costs $235 to $628 each as of 2026. Prices reflect local labor and material rates. Use our calculator below for a detailed, ZIP-code-adjusted estimate.
Prices in Washington are 5.0% higher than the national average for garbage disposal.
National average: $225 – $600 each
$200 – $534 each
1/3 to 1/2 HP continuous-feed disposal with galvanized grind parts, new mount, drain and dishwasher connection
$235 – $628 each
1/2 HP continuous-feed disposal with stainless grind parts and sound baffle, new mount, drain and dishwasher connection
$294 – $785 each
3/4 HP continuous-feed disposal with stainless multi-stage grinding and extra sound insulation, new mount and connections
| Component | Category | Price Range | Unit |
|---|---|---|---|
| Materials | material | $106 – $284 | each |
| Labor | labor | $82 – $218 | each |
| Supplies & Other | supplies | $28 – $76 | each |
| Equipment & Disposal | equipment | $19 – $50 | each |
Disposal mounting ring fitted to a sink drain
Rendering: BuildX
Find a pro to do thisDisposal connected to a P-trap and dishwasher hose under a sink
Rendering: BuildX
Find a pro to do thisBuildX Pro researches and reviews the national price range for Garbage Disposal, then adjusts it to your ZIP code for local labor and material costs using the public data below. Last checked Nov 2026.
Connect with local garbage disposal contractors in Washington for personalized quotes based on your specific project.