Before you pay anyone to look at it: some disposal problems are a five-minute fix you can do yourself, and some mean the unit is finished. The difference is usually where the water is coming from. Here’s how to tell.
Most garbage disposals last 8 to 12 years, and they rarely fail all at once. You will usually get warning first: a jam that needs the reset button more often, a grind that has got louder, a smell that cleaning will not shift, or water where there was not water before.
None of those automatically mean you need a new unit. Some are a five-minute fix, some are a repair to the plumbing around the disposal, and some mean the unit is finished. The symptom tells you which — so start there.
Most people searching for garbage disposal repair are surprised by this: the disposal itself usually can’t be repaired. 🔧 Residential units are sealed at the factory — the motor and grinding chamber aren’t serviceable. There’s no gasket to swap, no bearing to press in. When the inside of the unit fails, it’s done.
But here’s the part that matters: a lot of what looks like a broken disposal isn’t the disposal at all. A jam, a tripped reset, a loose sink flange, a bad tubular connection, a leaking air gap — all of those are fixable, and some you can handle yourself in a few minutes without paying anyone.
So the useful question isn’t “can it be repaired.” It’s “is the problem the disposal, or something around it?”
Time to replace
If water is dripping from the very bottom of the disposal body - the rounded underside where the motor lives - the internal seal has failed and water is getting into the motor. This is the one that can't be fixed. The unit is sealed, so there is nothing to reseal. Replacement is the only honest answer here.
Usually fixable
Water around the side connections normally points to the tubular - the drain tubing and fittings running to the trap - or to the air gap connection,the small chrome cap on your sink deck behind the faucet. The dishwasher drains up through it and back down to the disposal. If the hose clamps below it have loosened, or the air gap is partially blocked, it can leak or spit water out of the cap when the dishwasher drains. People almost always blame the disposal for this one.
Fixable
A leak where the disposal meets the sink means the flange seal has given up. The flange gets re-bedded and remounted. The disposal itself is usually fine.
Often a free fix
A hum with no grinding almost always means the grinding plate is jammed, not that the motor is dead. Turn the disposal off at the switch, unplug the power cord, and turn off the power at the electrical panel. Clear any large debris stuck inside. There’s a hex socket in the center of the underside — most disposals ship with the little wrench, and a ¼" Allen key works too. Work it back and forth to free the grinding plate, then press the red reset button on the bottom. If that frees it up, you’re done and you don’t owe anyone anything. If it still hums after that, or trips repeatedly, the motor is likely going out, and at that point replacement is the sensible call.
Often a free fix
In order: press the red reset button underneath, then check the breaker, then the switch. In a lot of kitchens the disposal runs off a wall switch that is easy to overlook. If power is confirmed and it is still silent, the motor has failed.
Replace on your terms
Typical residential disposals run about 8 to 12 years. Frequent jams, rust, a louder grind, or smells that cleaning will not fix all point the same direction. Replacing it on a scheduled visit beats replacing it on a Sunday night with a sink full of water.
We install the dependable InSinkErator Badger 5 — a solid, budget-friendly workhorse that fits most Kirkland and Seattle-area kitchens. Prefer a specific model, or already bought one? We’re happy to install a disposer you supply. Either way, you get a secure, leak-free installation that runs quietly and reliably.
We give you a firm price before any work begins. The easiest way to get an accurate quote: send us a couple of photos of your current disposal and the space under your sink, and we’ll estimate it for you. We know a broken disposal is a daily hassle — while we don’t promise same-day service, we schedule promptly and fit urgent jobs in whenever we can.
We’re a licensed, owner-operated plumbing company that’s served Kirkland and the greater Seattle area since 2005. We treat your home with care, communicate clearly, and stand behind clean, code-compliant work. From a simple disposal swap to a full bathroom or kitchen remodel, you get the same honest, detail-focused service.
We’d rather tell you your disposal just needs the reset button pressed than sell you a unit you don’t need. That’s not a slogan — it’s why this page tells you how to fix three of these problems yourself. Do enough of those honestly and the phone rings when something actually is broken.
We repair and replace garbage disposals for homeowners across Kirkland, Bothell, Seattle, Lynnwood and Everett. Looking for a trusted Kirkland plumber for other work? We also handle toilets and Toto installs, faucets and sinks.
It depends on the unit you choose and whether the existing mounting or wiring needs any work. We give you a firm, upfront price from your photos before we start — no surprises. Generally around $250-$350+tax range for labor
Sometimes — if it’s just jammed or tripped, we’ll get it going and tell you honestly. But because disposals are sealed units, a failed motor or leak usually makes replacement the only option.
We install the reliable InSinkErator Badger 5, or we’ll fit a disposer you’ve already purchased.
Not always same-day, but we schedule promptly and do our best to fit urgent jobs in quickly.
Around 8 to 12 years for a typical residential unit. Past that, frequent jams and rust are reasonable reasons to replace it before it fails on you.
No — that is your air gap, and it is doing its job. Water coming out of the cap means something downstream is blocked, so the water backs up and out the top. Start by pulling the chrome cap off and checking inside for debris – that is often all it is, and you can clear it yourself. If it is still backing up after that, the blockage is further along, in the hose running down to the disposal. Clearing it fixes the problem. The disposal itself is usually fine.
Send us a few photos and we’ll get you a fast, accurate quote.
