How long will it take to install my dishwasher?

• <div><p>Installing a dishwasher should take one to four hours, depending on the complexity of the installation and whether you DIY or hire a pro. Even if you're particularly handy, installing a dishwasher on your own will likely take longer — at least two hours. On the other hand, a professional can likely install a dishwasher in about an hour. Installation time will take longer if you have to remove an existing dishwasher, reroute plumbing, or repair damaged flooring underneath the appliance.</p></div>

Why does a dishwasher have to drain through the sink plumbing?

• <div><p>Any drain in your house requires a water trap to prevent sewer gases from entering the home. Dishwashers don’t have an internal water trap, so they must use an external P trap. The most convenient P trap for the dishwasher is already in the plumbing under your sink.</p></div>

Can you clean a moldy dishwasher with bleach?

• <div><p>Your first instinct might be to grab the bleach to clean a moldy dishwasher, but it’s not the best product for the job. You don’t want to use bleach to <a href="https://www.angi.com/articles/how-clean-stainless-steel.htm">clean stainless steel</a> components if your dishwasher has them, as it can cause significant damage. In addition, the scent of bleach can linger if not rinsed well, causing your dishes to retain a smell (and even taste) of bleach.</p></div>

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Verified dishwasher installation services reviews

Verified Reviews for Dishwasher Installation pros in Herndon, VA

*The Angi rating for Dishwasher Installation companies in Herndon, VA 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 Herndon, VA 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 September 09, 2026

Reviewed in September 2026
Wizard did a great job. I hired Wizard to project manage the purchase and delivery of a new refrigerator, stove, microwave, and dishwasher, and the removal of my old appliances. I also had them install the new appliances. I could have done this all directly with Lowe’s or Home Depot, but I had a...
Wizard Appliance Repair LLC
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Reviewed in June 2026
The repairman called me within 15 minutes after I requested a quote. We set up an appointment to repair my dishwasher the next day. He arrived in time, diagnosed the problem within a few minutes, bought the parts and repaired all in a couple of hours. it worked perfectly. I will definitely...
ND Appliance Services LLC
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Reviewed in March 2026
Technician has phenomenally quick response; came out same day of the call. Diagnosed the failure of my GE dishwasher’s motherboard. Efficient and explanatory with information. Courteous and clean in his process. Cost was commensurate with the repair. I would definitely recommend Sun Home Service.
Sun Home Service, LLC
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Reviewed in December 2024
Mega Plumbing Chantilly, Va. (Brian & Pedro) did a great job installing my new dishwasher. They quickly and carefully removed the old dishwasher and quickly and carefully installed and tested the new dishwasher. They made sure everything was done properly and the unit was level and operating...
Mega Plumbing Corp.
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Reviewed in May 2024
Nazer was super professional and cost efficient for my dishwasher repair.
Angi Pro
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Reviewed in April 2024
The best folks I’ve ever dealt with. Sales, service , delivery and installation all excellent. The installer Rafael Gomez was amazing he went above and beyond with the installation. Placing extra supports by using 2x4s to make sure the dishwasher fit perfectly.
Sterling Appliance
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Reviewed in January 2024
Suki was hired to install a dishwasher. He installed it and hauled away the old one. On the job he found a plumbing issue which he was able to resolve as well. He came in on short notice and did a thorough job.
Gravity Remodel
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Reviewed in August 2023
Happy with the job that the Tech did to replace our dishwasher. He also spotted a related issue on stop valve and offered to fix it for a nominal and reasonable cost.
Q & A Appliance Repair LLC
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Reviewed in July 2023
Had another plumber come in to fix leaking dishwasher supply. Charged 2.5 hours and still leaks. Called Stinson and Daniel and Matt were here within 1 hour of my call and fixed within 30 minutes. Great response and repair.
Stinson Plumbing, LLC
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Reviewed in March 2022
Tarek was first to respond while others took time. He is punctual. Well Mannered. He could diagnose the problem quickly. He explained the problem and charges. His charges were competitive. Had to wait couple of days for him to get the non-stock parts but it was within a week. He came back and...
Pro Service Appliance Repair
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Dishwasher Installation questions, answered by experts

Installing a dishwasher should take one to four hours, depending on the complexity of the installation and whether you DIY or hire a pro. Even if you're particularly handy, installing a dishwasher on your own will likely take longer — at least two hours. On the other hand, a professional can likely install a dishwasher in about an hour. Installation time will take longer if you have to remove an existing dishwasher, reroute plumbing, or repair damaged flooring underneath the appliance.

Any drain in your house requires a water trap to prevent sewer gases from entering the home. Dishwashers don’t have an internal water trap, so they must use an external P trap. The most convenient P trap for the dishwasher is already in the plumbing under your sink.

Your first instinct might be to grab the bleach to clean a moldy dishwasher, but it’s not the best product for the job. You don’t want to use bleach to clean stainless steel components if your dishwasher has them, as it can cause significant damage. In addition, the scent of bleach can linger if not rinsed well, causing your dishes to retain a smell (and even taste) of bleach.

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

Only if the dishwasher isn’t made of stainless steel. The corrosive chemicals in bleach will stain stainless steel and can also cause further damage. To stay on the safe side, stick with an extra cycle of vinegar to banish any lingering odors.

The Herndon, VA homeowners’ guide to dishwasher installation services

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

See all articles

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