How do I know if my dishwasher drain hose is clogged?

• <div><p>Your dishwasher drain hose may have a clog if your dishwasher is full of water, your dishes aren’t getting cleaned, or water takes a long time to discharge into the garbage disposal.</p></div>

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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TRUSTED BY CHEVY CHASE, MD HOMEOWNERS

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Verified Reviews for Dishwasher Installation pros in Chevy Chase, MD

*The Angi rating for Dishwasher Installation companies in Chevy Chase, MD 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 Chevy Chase, MD 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 March 02, 2025

Reviewed in March 2025
Excellent service by Lakendra, who repaired our dishwasher. She was professional, friendly, efficient and exceptionally tidy on the two occasions she came. She was right on time and kept us informed regarding her time of arrival. Highly recommend Lakendra!
Tru Appliance, LLC
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Reviewed in August 2022
Dennis was able to explain the install and operation of the heater. Installation was efficient and on time.
ARS of Maryland
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Reviewed in January 2022
I bought a dishwasher from Appliance Direct and when. it came they wouldn't do install and haul away so I found All in One on Angi. They scheduled it for the next day they were on time and efficient.They even made a trip to Home Depot for a new water supply hose that same night! Very reliable...
All In One Home Services LLC
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Reviewed in December 2021
Rob worked us in sooner than he originally had estimated, which was great! He told us by email ahead of time about the two options for a replacement disposal that he carried on his truck. When he arrived, we asked him some additional questions about each option, and then installed the one we...
Eire Plumbing
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Reviewed in December 2020
Willis installed a top of the line garbage disposal for us after the old disposal broke down. This required cutting and installing new pipes under the sink, which a previous plumber had said would be too difficult given the small space. The new pipes and disposal look and work great! We got a...
4 Service Pros
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Reviewed in August 2020
Sorry for the delay in this write up! The installation was top notch! I look forward to do additional work with this company.
Royal Plumbing & Heating Services
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Reviewed in December 2019
Some problems marred an otherwise good experience: 1. installation of new kitchen cabinets and countertop left the dishwasher unleveled and the lip on the new countertop made it impossible to open and close the dishwasher; 2. the countertop needed a plywood base for the existing undermount...
Cube Depot, Inc. - Unlicensed Contractor
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Reviewed in August 2019
The installation went well. Although I had a few concerns during the installation, which I communicated to the owner, Marty Pena, Mr. Pena was very responsive in addressing these concerns. Likewise, his lead installer, Jermaine, and Jermaine's assistant, were very polite, professional, timely...
Action Fabricators & Erectors
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Reviewed in August 2019
Absolutely, amazing appliance repair experience. I recently discovered that my washer/dryer had not been properly installed and needed the problem fixed quickly. Thompson Appliance Repair came over and fixed the problem within hours of me speaking with them.
Thompson Appliance Repair, LLC
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Reviewed in June 2019
We have hired Tim whistler plumbing for a number of repair so (installation of a new garbage disposal, clogged drain, sub pump replacement, and replacement of our main water valve). I think they’ve always done excellent work with very reasonable prices. All the plumbers have been professional...
Tim Whistler Plumbing and Gas Fitting
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Top-Rated Dishwasher installation pros in Chevy Chase - Updated Nov 2026

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Dishwasher Installation FAQs, answered by experts

Your dishwasher drain hose may have a clog if your dishwasher is full of water, your dishes aren’t getting cleaned, or water takes a long time to discharge into the garbage disposal.

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.

If your dishwasher keeps filling with water at the bottom but doesn’t fill into the sink, the issue is likely due to a blockage within the dishwasher or drain. Regularly clean your dishwasher filter basket to ensure it’s not clogged with food, and run a vinegar rinse periodically if you have hard water to remove limescale buildup.

Maintenance includes regular filter cleaning, checking water connections, and ensuring that the unit operates at optimal efficiency without blockages.

The most common reason for a smelly dishwasher is a dirty dishwasher filter. The filter is responsible for catching food while your machine is running to prevent clogs. Over time, that filter gets more and more filled with food particles. Cleaning your dishwasher filter monthly can keep the smell at bay.

The Chevy Chase, MD 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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