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TRUSTED BY WASHINGTON, VA HOMEOWNERS

  • Average homeowner rating star icon4.2
    Average homeowner rating
  • Verified reviews icon73
    Verified plumbing services reviews

Top-Rated Plumbers in Washington - Updated Nov 2026

Avatar for Ninja Plumbing LLC
Ninja Plumbing LLC
4.7(
19
)
Drain Clog or Blockage - ClearDrain Clog or Blockage - Clear - For BusinessSewer Main - Clear+1 more

Serving Washington, VA and surrounding areas

Approved

In business since 2024

Emergency services offered

"Outstanding Service from Start to Finish! I couldn’t be happier with my experience with Ninja Plumbing. From the moment I called, their team was friendly, professional, and quick to respond. The plumber arrived right on time, diagnosed the issue immediately, and explained everything clearly before starting the work. The repair was done efficiently and with great attention to detail — you can tell they really care about doing the job right. On top of that, the price was fair and transparent, with no hidden fees or surprises. It’s rare to find a company that combines skill, honesty, and great customer service, but Ninja Plumbing absolutely does. I’ll definitely be using them again for any future plumbing needs and highly recommend them to anyone looking for reliable, top-quality service!"
Tankless water heater
Tankless water heater
Tankless water heater
Tankless water heater
Tankless water heater

+3

Response time7 hrs
Response rate100%
Avatar for Dexter Wells & Plumbing, LLC
Dexter Wells & Plumbing, LLC
4.3(
15
)
Sump Pump - Repair or ReplaceTankless Water Heater - InstallTankless Water Heater - Install - For Business+6 more

Serving Washington, VA and surrounding areas

Approved

In business since 1983

Free estimates

Emergency services offered

"This company went above and beyond working to get us water without digging a new well as other companies suggested. I will hire for any and all plumbing I may have in the future because I know they will do the job right and not walk away until completed."
Close up of screen
Pump and screen assembly
Pump in well screen
Additional Photos
Additional Photos

+6

2 neighbors recently requested a quote
Recommended by85%of homeowners
Avatar for McCarthy Services MD
McCarthy Services MD
4.2(
384
)
Tankless Water Heater - InstallTankless Water Heater - Install - For BusinessTankless Water Heater - Repair+5 more

Serving Washington, VA and surrounding areas

Approved (Corporate)

In business since 2000

Free estimates

Emergency services offered

"The Technician (Kevin) is by far the best for any plumbing service we have had. Professional, Courteous, and Very Thorough. Explained everything prior to installation of piping and hose bibbs and valves. Inspected everything and left the area cleaner than when he arrived. Mccarthy has done all of our work since trying a couple of others years past. This household will not go to anybody else but McCarthy now."
Installing a new A/C system.
Recommended by87%of homeowners
Avatar for ARS of Virginia
ARS of Virginia
4.3(
256
)
Drain Clog or Blockage - ClearDrain Line Breakage - Camera LocateSewer Main - Clear+5 more

Serving Washington, VA and surrounding areas

Approved (Corporate)

In business since 1950

Free estimates

Emergency services offered

"I had a great experience with ARS/Manassas thanks to John Curry, their knowledgeable and professional plumber. John provided an in-depth home inspection of my plumbing and educated me on the importance of venting my sinks to avoid moisture buildup, mold, corrosion, and bad odors. He also found that one of my toilets needed a new flapper valve/lift rod and corrected me on how I was using my garbage disposal, advising me to only use it for light particles stuck to my plate. To assist with the upkeep of my plumbing, John recommended that I buy a drain cleaning kit and even called his dispatch to schedule another member of his team to repair my toilet's lift rod. John Curry's expertise and helpfulness were much appreciated during the home inspection. He was professional, knowledgeable, and thorough in his work, and he took the time to educate me and provide valuable advice. Thank you, John Curry and ARS/Manassas!"
Unclogging a drain.
Recommended by87%of homeowners
Avatar for Paramount Builders Inc (Richmond)
Paramount Builders Inc (Richmond)
4.2(
818
)
Shower Install or ReplaceBathtub Install or ReplaceWalk In Tub - Install or Replace

Serving Washington, VA and surrounding areas

Approved (Corporate)

In business since 1991

Free estimates

Warranties offered

"Sales rep was very professional and knowledgeable. The quality of the product and the installation. was top knotch! There was some confussion on specifics, but it was handled promptly and professionally! I am extremly pleased."
87 neighbors recently requested a quote
Recommended by90%of homeowners
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Plumbing FAQs, answered by experts

Installing a drain pipe costs about $600, ranging from $150 to $2,000, depending on the type of drain, accessibility, proximity to drain lines, and whether you’re installing new drain pipes or replacing old ones. Replacing a main drain line can cost over $2,000, whereas replacing a p-trap costs around $150 on average. Keep in mind that new water pipe installation projects are bid by fixture, like kitchen sink, toilet, or main water line. You can expect to pay $70 to $1,000 per fixture.

Yes, you can pour water down the toilet to help it flush. For each flush, you’ll need 1 to 2 gallons of water for newer toilets or 3 to 5 gallons of water for older toilets. Rather than dumping the entire bucket in all at once, pour the water in slowly for the best results. If you’re pouring water down the toilet to help it flush after a clog, only use 1 gallon of hot water.

A water closet is a room within a bathroom where a toilet has a dedicated door for privacy. This separate space is set apart from the rest of the bathroom, allowing someone else to use the shower or sink. In some instances, there is also a small sink in the water closet for added convenience. The main benefit of a water closet is that it offers private space and can be a desirable design amenity, particularly if the bathroom is shared with others.

When a backflow valve fails, wastewater will flow back into your system, contaminating your drinking water. You’ll immediately notice backflow valve failure from a rotten smell and brown water coming from faucets. Get in contact with a septic pro or a plumber immediately if you suspect this has happened to you.

Clean regularly with non-abrasive cleaners, avoid pouring grease down the drain, and check for leaks under the sink.

The Washington, VA homeowners’ guide to plumbing services

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