Wondering what's going on in there?
Where a dishwasher can leak, in plain English
A dishwasher doesn't fill up like a sink. It uses a shallow puddle of water at the bottom and sprays it around, over and over. Leaks happen where water gets in, gets sprayed, or gets out.
- The door seal holds it in. A rubber door seal runs around the tub opening.
- Water comes in. A water inlet valve, usually at the front left under the tub, opens to let hot water in.
- A float says when to stop. The float on the tub floor rises with the water and shuts the valve off.
- Arms spray the dishes. Spinning spray arms shoot water up at the dishes.
- A pump pushes it out. The pump under the middle sends the dirty water out the drain hose.
So a leak usually comes from one of these:
- Too many suds, or a load that sprays water at the door.
- The door: a dirty or torn seal, a loose latch, or a dishwasher that tilts forward.
- Underneath: a loose water line, drain clamp, valve or pump seal.
- Too much water: a stuck float or valve.
That's why the questions at the top start with where the water shows up.
Rather not do it yourself? Call an appliance repair tech.
That's a fine choice. Maybe you're busy. Maybe you're selling the house and just want it done right. An appliance repair tech can find the leak and fix it, often in one visit.
Most repair companies charge $60–$150 to come out, and many put that toward the repair. A cracked tub costs $270–$650 to fix, if it can be fixed.
Find dishwasher repair near you
Find dishwasher repair near me →Opens Google Maps. We don't ask for your number.
What to say
Calling a pro? Here's what to say.
A few lines to read when they pick up, and the questions to ask before anyone comes out.
Before you call
Say this
Hi. My dishwasher is leaking water onto the floor. When's the soonest you can get here? And what's your fee for the visit? Does it go toward the repair?
Always ask
- What's your fee to come out, and does it go toward the repair?
- Do you work on my brand, and can you bring the likely part on the first visit?
- Will you tell me the full price before you start any work?
Watch out if
- They push a brand-new appliance on the first visit for a small problem.
- They won't give you a price before starting.
- They want you to pay for parts before they've found the problem.
Feeling pushed to decide on the spot? You can say no and hang up. You owe nothing for a phone call.
Answer up to 5 quick questions. We'll give you the words a pro uses.
Answer the questions →More of a list person?
Common symptoms, causes, tests and costs
Find the row that sounds like your dishwasher. The quick test is something you can check yourself in a few minutes.
| What you notice | What it probably is | Quick test | Do it yourself | With a pro | Verdict |
|---|---|---|---|---|---|
| Suds pouring out; dish soap or extra rinse aid used | The wrong soap, or too much of it | Look for foam in the tub | Free | Not needed | FIXSee the answer: The wrong soap, or too much of it |
| Leaks from the door; packed load or a big pan in the way | The load is blocking the water | Spin the spray arms by hand with the dishes in | Free | Not needed | FIXSee the answer: The load is blocking the water |
| Leaks from the door; tilts forward | The dishwasher isn't level | Set a level on the open door and the tub edge | Free | Not needed | FIXSee the answer: The dishwasher isn't level |
| Leaks from the door; seal dirty or loose | The door seal is dirty or loose | Look and feel along the rubber seal | Free | Not needed | FIXSee the answer: The door seal is dirty or loose |
| Leaks from the door; seal torn, cracked or flat | The door seal is torn | Look along the rubber seal for tears | Free | $50–$200 | FIXSee the answer: The door seal is torn |
| Leaks from the door; door doesn't latch tight | The door latch is loose | Close the door and wiggle it | Free | $90–$160 | FIXSee the answer: The door latch is loose |
| Wet at the water line connection, front left | The water line connection is loose | Look at the front left with the bottom panel off | Free | Not needed | FIXSee the answer: The water line connection is loose |
| Wet at the drain hose and its clamp | The drain hose clamp is loose | Look at the drain hose with the bottom panel off | Free | $50–$180 | FIXSee the answer: The drain hose clamp is loose |
| Water fills up near the door | The float is stuck | Lift the float on the tub floor. It should move freely | Free | $90–$190 | FIXSee the answer: The float is stuck |
| Leaks from the door; spray arm cracked or loose | A cracked spray arm | Take out the racks and look at each spray arm | Free | $75–$200 | FIXSee the answer: A cracked spray arm |
| Drips at the valve, or overfills even with the float clean | The water valve is stuck or cracked | Look at the valve with the bottom panel off | Pro job | $75–$170 | CALLSee the answer: The water valve is stuck or cracked |
| Wet under the middle, around the pump | The pump or its seal is leaking | Look under the middle with the bottom panel off | Pro job | $100–$400 | CALLSee the answer: The pump or its seal is leaking |
| Rust or drips from the tub, no loose connections | The tub is leaking | With the bottom panel off, look for rust or drips from the tub itself | Pro job | $270–$650 | CALLSee the answer: The tub is leaking |
2026 U.S. averages, rounded. Pro prices include parts and labor. Most repair companies charge $60–$150 to come out, and many put that toward the repair. Nights, weekends and big cities cost more. See all repair prices
Want proof it's fixed?
The towel test
A dry towel shows you exactly where the water comes from.
- Dry the floor and lay a dry towel along the front of the dishwasher.
- Run a short cycle with no dishes.
- Check the towel every 10 minutes, and once more after the cycle ends.
- Dry the whole time: it's fixed.
- Wet in the middle of the door: the seal, the latch or the load.
- Wet underneath or at a corner: a connection, the valve or the pump. Take the questions at the top.
Not sure it's safe to keep running?
Turn it off right away if…
- Water reaches an outlet, a power cord or the wiring behind the bottom panel.
- Water keeps flowing in even with the dishwasher off.
- The floor or cabinet is getting soft or stained.
- You smell burning.
Turn off the dishwasher's breaker, then close the water valve under the sink. Wipe up the water before you look further.
Got a big repair quote?
Should you repair it or replace it?
Most dishwasher leak repairs cost $100–$300, according to Fixr. A new dishwasher runs about $600–$1,700. Ask yourself three things:
- How old is it? Dishwashers last about 8–15 years. The date is on the model sticker.
- Is the tub leaking? A leaking tub usually means it's time for a new one.
- The half rule. If the repair costs more than half the price of a new dishwasher, get a replacement price too.
Example: a $100 door seal on a 5-year-old dishwasher is worth doing. A $350 pump on a 12-year-old dishwasher is worth comparing with a new one.
Ran into a word you don't know?
Dishwasher words, explained
Tap through these before you go looking. The drawings show roughly what each part looks like.
- Door seal (gasket)
- The rubber strip around the tub opening that keeps water in.
- Door latch
- The part at the top of the door that pulls it shut against the seal.
- Bottom panel (kick plate)
- The panel along the bottom front. Behind it are the water line, drain hose, pump and wiring.
- Water line
- The small pipe that brings hot water to the dishwasher, usually at the front left.
- Water inlet valve
- The valve that opens to let water in and closes when the tub is full.
- Float
- A small cap on the tub floor that rises with the water and tells the dishwasher to stop filling.
- Spray arm
- The spinning arms that spray water up at the dishes.
- Pump
- The motor under the middle that sprays and drains the water.
- Drain hose
- The hose that carries dirty water to the sink drain or disposal.
- Leveling legs
- The screw-in legs under the dishwasher. Turn them to make it sit level.
- Rinse aid
- A liquid that helps dishes dry without spots. It goes in a small cap inside the door.
- Breaker
- A safety switch in your home's breaker box (the gray metal panel). The dishwasher usually has its own.
- Model number
- A code on a sticker on the edge of the door or the side of the tub. You need it to order the right part.
Still have questions?
Questions people ask most
Why is my dishwasher leaking from the bottom?
A dishwasher leaking from the bottom usually has a loose water line, a loose drain hose clamp, or a worn pump seal underneath. With the power and water off, take off the bottom panel and look for wet spots.
Why is my dishwasher leaking from the door?
A dishwasher leaking from the door most often has a dirty or torn door seal, a loose latch, or a forward tilt. Too many suds or a big pan in the way can do it too.
Is a leaking dishwasher an emergency?
A leaking dishwasher is an emergency if water reaches an outlet or wiring, or keeps flowing in with the dishwasher off. Then turn off its breaker and close the water valve under the sink. A small drip can wait a day, but don't run it again until you find the leak.
Can I use regular dish soap in a dishwasher?
No, regular dish soap doesn't belong in a dishwasher. It makes huge amounts of foam that push out past the door. Use only detergent made for dishwashers.
How do I replace a dishwasher door seal?
To replace a dishwasher door seal, order the seal for your model number. Pull the old one out of its groove, then press the new one in, starting at the center top. Don't stretch it.
Who do I call for a leaking dishwasher?
Call an appliance repair tech for a leaking dishwasher. If the leak is at the water line or drain hose under the sink, a plumber can fix that part too. Check the soap, the load and the door seal first, since those fixes are free.
How much does it cost to fix a leaking dishwasher?
Fixing a leaking dishwasher often costs nothing, if it's the soap, the load, the level or a loose connection. A door seal runs about $50–$200 with a pro. A pump runs about $100–$400.
How we built this
The questions follow the order an appliance tech checks a leaking dishwasher: where the water shows up, the soap and load, then the door seal, latch and level, or the connections underneath, and the water level. Each answer makes some causes more likely and others less likely.
Prices are 2026 national averages from published repair-cost guides, rounded. Your local prices will differ.
- HomeGuide, dishwasher repair cost (read October 2026)
- Fixr, dishwasher repair cost (January 2025)
- Whirlpool, leaking dishwasher: common causes and fixes (read October 2026)
How we make money: some links go to parts stores that pay us a small commission, and some pro listings pay us when you call them. Verdicts come from the diagnosis, not from who pays more.