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>

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Verified Reviews for Dishwasher Installation pros in Reston, VA

*The Angi rating for Dishwasher Installation companies in Reston, 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 Reston, 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 June 15, 2026

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 August 2025
“BrightCrest did an excellent job fixing our dishwasher. It wasn’t draining properly, and they quickly diagnosed a clogged drain pump. They had the part on hand and got it running like new again. Super professional, on time, and fairly priced. Highly recommend!”
BrightCrest LLC
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Reviewed in March 2025
Javid was professional and polite. Went through the diagnostic process skillfully and kept me informed while doing so. Unfortunately, I had to replace my dishwasher as the repair costs are almost as close to a new one. But that's because, the parts that needed to be replaced are so costly...
Major Appliances Repair, LLC
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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 October 2023
Andi knows appliances. He quickly recognized the problem with my dishwasher, ordered the part, and installed it. Problem solved!
A.G.B Appliance Repair
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Reviewed in July 2023
He was able to schedule the initial visit t fix our dishwasher around our schedule and kept me informed of his arrival time. He diagnosed the issue, ordered the part for overnight delivery, and returned to install the part the next day. He followed up the following day to see if the dishwasher...
City Home Appliances & Services, 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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Reviewed in July 2021
Marcus was professional, on time, and was able to help us with our dishwasher. I will definitely look to hire him in the future should I need to!
Gee's Innovative Appliance Repair Techs
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Reviewed in May 2021
David from Professional Appliance Repair was very responsive, quickly diagnosing our dishwasher problem. He responded immediately to queries and came on time as promised.. We will definitely call them again.. Excellent service!!!
Professional Appliance Repair
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Reviewed in February 2021
Installation of a dishwasher. The dishwasher is not square in the space. It sticks slightly further out on one side. It is also not level. Once you put a few cups in the top drawer you have to hold the top drawer in so you can load the lower level. I will need to have someone come and adjust it.
HandyMark DMV, LLC
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Dishwasher Installation questions, answered by experts

Your dishwasher drains through a hose that attaches to the plumbing below your sink or snakes out the back of your machine. In most cases, you can access one side of the hose from below your sink, as it usually ties into the same drainline that your sink uses. Otherwise, you may need to pull the dishwasher out of the counter to access it.

Costs depend on labor rates, replacement part prices, brand, and whether emergency service is required.

Yes, a dishwasher needs an air gap to prevent backflow. Additionally, in many locations, air gaps or another measure to prevent backflow are required for building code compliance. There are alternatives to an air gap, like a Studor vent or a loop and trap design, but an air gap is the simplest and most popular solution.

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

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.

The Reston, 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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