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TRUSTED BY ROSSLYN, VA HOMEOWNERS

  • Average homeowner rating star icon4.5
    Average homeowner rating
  • Verified reviews icon232
    Verified plumbing services reviews

Top-Rated Plumbers in Rosslyn - Updated Nov 2026

Avatar for DAY & NIGHT PLUMBER LLC
DAY & NIGHT PLUMBER LLC
4.8(
93
)
Faucets, Fixtures and Pipes - Repair or ReplaceSewer Main - Install, Replace or RepairWater Heater - Install or Replace+20 more

Serving Rosslyn, VA and surrounding areas

Approved

In business since 2020

Free estimates

Emergency services offered

"They contacted me right away and had a plumber out in just a few hours (and it wasn’t an emergency repair!). Tawn was very kind and professional and repaired the toilet quickly. Very happy with Day and Night Plumber and I’ve already scheduled an appt. with them for more work!"
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+1

Response time11 hrs
5 neighbors recently requested a quote
Recommended by97%of homeowners
Avatar for Prince William Plumbing
Prince William Plumbing
5.0(
33
)
Drain Line Breakage - Camera LocateDrain Line Breakage - Camera Locate - For BusinessFaucets, Fixtures and Pipes - Repair or Replace+6 more

Serving Rosslyn, VA and surrounding areas

Approved

In business since 2005

Free estimates

Emergency services offered

"So, the first one to come and inspect and give an estimate was a different company; if we hadn’t had Prince William Plumbing out here after that, this other company might have scammed us out of many thousands of dollars by replacing our main service line. Prince William Plumbing did a much more thorough investigation and discovered that the problem was a connection to the sprinkler system and not the main line. They saved us so much money, while also being incredibly professional. Even the techs that came out to do the work were awesome. Truly great people at this company."
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Recommended by96%of homeowners
Avatar for R Plumber, LLC
R Plumber, LLC
4.4(
258
)
Water Heater - Install or ReplacePlumbing for a Remodel or Addition - InstallGas Piping+3 more

Serving Rosslyn, VA and surrounding areas

Approved

In business since 1998

Emergency services offered

Warranties offered

"Great job. Prompt communication, great up front pricing, and most of all, high quality work! Will definitely use them in the future for my plumbing needs. Nice to know I have a plumber I can trust."
Here we are!!!
Plumbing Ground Work
Lavatory Rough-in
One shower with 2 valve
Broken Sewer pipe

+59

Response time6 hrs
36 neighbors recently requested a quote
Recommended by94%of homeowners
Avatar for Jimmy Gusky Heating & Air LLC
Jimmy Gusky Heating & Air LLC
4.3(
374
)
Tankless Water Heater - InstallWater Heater - Install or ReplaceWater Heater - Repair or Service+5 more

Serving Rosslyn, VA and surrounding areas

Approved

In business since 1996

Emergency services offered

Credit card accepted

"They did plumbing services. It was basically the toilet tune-up that they were supposed to do. They fixed it on Friday but on Sunday, it did not work again. Took one more week to get out here and they still have to come back to replace the toilet. At the end of it all, that didn't happen."
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Response time9 hrs
4 neighbors recently requested a quote
Recommended by83%of homeowners
Avatar for Care & Quality Plumbing, LLC
Care & Quality Plumbing, LLC
5.0(
34
)
Sump Pump - Repair or ReplaceWater Heater - Install or Replace

Serving Rosslyn, VA and surrounding areas

Approved

Super Service Award Winner

In business since 2024

Free estimates

Small jobs welcome

"Jaime, the plumber was very professional and diligent in resolving my request in installing a water heater. He has stellar work skills and made honor to his companies name, everything he did was with care and gave great quality service. I highly recommend this trusted company for all your plumbing needs!!"
Water Softener
Gas water heater
Commercial Backflow
UV Light
Well Water tank

+2

Response time2 hrs
Response rate100%
Recommended by3%of homeowners
Avatar for 1 Stop Mechanical, Inc.
1 Stop Mechanical, Inc.
4.7(
97
)
Sewer Main - Install, Replace or RepairSewer Main - Install, Replace or Repair - For Business

Serving Rosslyn, VA and surrounding areas

Approved

In business since 2009

Free estimates

Small jobs welcome

"1stopmechanical responded quickly to my request for quote of sewer line inspection. Upon inspection, the sewer line from the house to main sewer line had to be replaced. They provided a reasonable quote and completed the installation of the sewer line within 2 days. They were very professional and I would recommend them for any plumbing service."
Pumped Septic Tank
Pipe Tap
4 in. Sewer Pipe
Pipe Tap Connection
Before Road Patch

+30

Response time2 hrs
5 neighbors recently requested a quote
Recommended by92%of homeowners
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Plumbing FAQs, answered by experts

How much it will cost to install an earthquake shut-off valve depends on who’s doing the installation. The price of the earthquake shut-off valve itself can cost between $250 and $750, and you’ll pay between $150 and $200 for labor if you hire a licensed plumbing contractor. If you install the valve yourself, you’ll save on labor, but you might need to spend $50 to $300 on the right tools for the job (and it’s a complex job that we don’t recommend DIYing).

Emergency plumbers charge a significantly higher rate than for standard service, typically 1.5 to 3 times the normal hourly cost. You can expect to pay between $100 and $500 per hour, with an average of around $200 per hour. In addition to the higher hourly rate, many plumbers charge a flat emergency service or trip fee, which can be between $150 and $300. The final cost depends on the timing of the call; prices are highest for major holidays, followed by weekends and after-hours service on weekdays. For a complex job on a major holiday, a master plumber's rate could reach as high as $600 per hour.

This depends on how old your home is and residential construction norms where you live. Most modern homes have outdoor shut-off valves, but many older homes have the water meter indoors. You're most likely to find this valve in the basement or utility closet if it's indoors. If you have an outdoor shut-off valve, it should be somewhere on the perimeter of your home.

While a toilet dripping on the outside can be caused by condensation, a toilet that is constantly dripping on the inside is usually caused by a deteriorated flapper. This is one of the most common types of toilet leaks. As the flapper degrades, it won’t seal properly, and water will constantly leak into the toilet.

If you can’t unscrew your bathtub drain, it could be due to stripped post threads. The best way to handle this is to pull the stopper up while turning it. Eventually, you should see a screw set that you can loosen with a flathead screwdriver to remove the bathtub drain.

The Rosslyn, VA homeowners’ guide to plumbing services

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