What is the most common cause for a dishwasher not to drain?

• <div><p>If your dishwasher isn’t draining, some common causes include a clogged drain filter, drain hose, or air gap. Also, if you have a garbage disposal, a clog in the disposal can back up your dishwasher since they share plumbing, as can a clog in your kitchen sink’s plumbing. A handy DIYer may be able to figure out <a href="https://www.angi.com/articles/how-to-unclog-dishwasher.htm">how to unclog a dishwasher,</a> but you may need to call in a plumber if you can’t locate and clear the clog yourself.</p></div>

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Verified Reviews for Dishwasher Installation pros in Represa, CA

*The Angi rating for Dishwasher Installation companies in Represa, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Dishwasher Installation needs.

*The HomeAdvisor rating for Dishwasher Installation companies in Represa, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Dishwasher Installation needs.

Last update on June 21, 2025

Reviewed in June 2025
Thanks a bunch for installing the food disposer! I really appreciate it!
Yuri Handyman
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Reviewed in April 2025
The dishwasher installation was completed efficiently and professionally. The technician arrived on time, was courteous, and made sure everything was working properly before leaving. Very satisfied with the service?thank you!
Samvel Bazoian
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Reviewed in December 2023
Kel was awesome. He came right in and knew in a matter of minutes what the problem with my dishwasher was. He ordered the part on site and then came back a few days later the fix the issue. He was fast, friendly and affordable.
Sac Metro Appliance Repair
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Reviewed in March 2023
I met Richard over 10 years ago. I was looking to get my kitchen floor replaced. I got 3 bids and Richards was the middle one. I just love the time he took on answering all of my questions, even stopping in the middle of the job. Very few put tile under the dishwasher , Richard does it the...
Crawfords Tile
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Reviewed in October 2022
John was able to come out and resolve our issue of needing to replace a splice box with a proper outlet for a replacement dishwasher the same evening we found out this needed to be done.
Community Electric
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Reviewed in September 2022
Respond quickly and did a fast job repairing the dishwasher and disposal.
Qualified HVAC
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Reviewed in September 2022
The service was timely and the technician took the time and attention when installing also had parts that did not come with our dishwasher to complete the installation.
A to Z In Home Appliance Repair
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Reviewed in January 2021
Paul was Quick to respond to my request for service call. Very professional on the phone. Kept appointment that was set up. Efficient and knowledgeable n finding problem with my dishwasher. Thoroughly explained the problem and made the repair. Dishwasher running great now. Reasonable...
NORTH POLE SUPPLY INC.
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Dishwasher Installation questions, answered by experts

A dishwasher filter should be replaced every five years, depending on the manufacturer's recommendations and the frequency of use. The exact timing can vary based on factors such as the hardness of your water, how well you rinse dishes before loading them, and how often you clean the filter. Regularly inspect the filter for signs of wear and tear or damage. If the filter appears worn out, damaged, or excessively clogged despite regular cleaning, it should be replaced sooner.

Water may linger at the bottom of your dishwasher if the cycle is interrupted or if there’s a clog in the system. Begin by pressing and holding the cancel button to ensure the cycle finishes. You may need to check the filter, hose, air gap, and garbage disposal for clogs if it still doesn't drain. If the problem persists and there is no visible clog, a professional will need to assess and fix the problem for you.

Water is sitting at the bottom of your dishwasher, likely because the filter is dirty with food debris or because the drain hose has a clog. If the water is still sticking around after following the steps above, it’s time to contact a local plumber.

Professional services ensure correct installation, verify water-tight seals, and safely address plumbing and electrical connections in dishwashers.

If your dishwasher isn’t draining, some common causes include a clogged drain filter, drain hose, or air gap. Also, if you have a garbage disposal, a clog in the disposal can back up your dishwasher since they share plumbing, as can a clog in your kitchen sink’s plumbing. A handy DIYer may be able to figure out how to unclog a dishwasher, but you may need to call in a plumber if you can’t locate and clear the clog yourself.

The Represa, CA homeowners’ guide to dishwasher installation services

From average costs to expert advice, get all the answers you need to get your job done.

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