Most Reston disposal failures are a jam, a tripped reset, a leaking seal or a clog in the drain right behind the unit. A few safe checks can narrow it down before a plumber arrives. Call the number on this page to be connected with a local plumber in Reston.

Reston was planned from 1964 onward, and most of its housing comes from the 1970s through the 1990s, with a median build year around 1983. Many kitchens have been remodeled once, but the drain arms in the wall are often original. Water comes from Fairfax Water, which reports total hardness of roughly 70 to 185 mg/L at its Potomac plant, and the sewer is Fairfax County's. In attached condos and townhouses, a kitchen drain can tie into lines shared with neighbors, so a quick diagnosis matters there.
What to do now
- Switch the disposal off and unplug it or trip its breaker.
- Shine a flashlight into the chamber and lift out anything hard, such as a bottle cap or fruit pit, with tongs, never fingers.
- Press the reset button on the bottom of the housing.
- If the unit was humming, work the hex socket on the underside back and forth until the plate turns freely.
- Restore power, run cold water and try it once. If it trips or hums again, stop.
- If water is dripping, set a pan under it and hold off on the dishwasher.
Symptoms and likely causes
| Symptom | Likely cause |
|---|---|
| Humming, no rotation | Jammed turntable or seized bearings |
| Silent at the switch | Tripped reset, breaker or failed switch |
| Leak at the sink rim | Loose mounting ring or dried flange seal |
| Leak at the side | Loose dishwasher or discharge connection |
| Leak from the base | Internal seal failure, usually needs replacement |
| Sink fills from the other bowl | Clog in the trap or shared drain line |
| Several drains slow at once | Blockage in the main line, not the disposal |
What drives the cost
- Freeing a jam versus mounting a replacement
- Horsepower and build quality of the new unit
- Extra drain work if the trap or branch line is clogged or corroded
- Hardwired connections compared with a plug-in unit
- Whether the job adds or moves a fixture, which in Fairfax County calls for a permit; like-for-like swaps in the same spot are exempt
If several fixtures back up together, mention it on the call. Fairfax County's 24-hour sewer line, 703-323-1211, checks the public main, while the private lateral is the owner's responsibility.
Garbage Disposals questions in Reston
Can I reach in by hand to clear a jam?
How can I tell if the clog is past the disposal and in the main line?
Why does the sink smell even after the disposal runs?
Which kitchen scraps are hardest on a disposal?
More plumbing services in Reston
Garbage Disposals nearby
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