Toilet Repairs
Faucet Repairs
Leak Searches
Stoppages
Gas Detection / Repairs
Sewer Camera Video Inspections
Main Sewer Repairs
Main Water Service Repairs
Water Heater repairs / Replacments
Backflow Prevention Devices
Hydrojetting Services
Pressure Regulators
Well Pump Repairs
...and much More


any home plumbing service

Northern Virginia's Preferred Backflow Testing Company


HMS Plumbing specializes in backflow testing services and backflow prevention testing in Northern Virginia. We're proud to be Northern Virginia's experts, using the highest quality backflow prevention techniques and equipment for your peace of mind. Call us now on the number below for a free phone quote:



A backflow prevention device is very important for keeping contaminated water out of your clean water - and we have years of experience as Northern Virginia's certified backflow testing and repair specialists.

Back Flow Prevention Tips

Annual Testing
Backflow prevention testing is very important for keeping contaminated water of your clean tap water. In Northern Virginia once a year it is required to have a certified technician perform a series of tests to ensure that the backflow prevention device is working properly.
Non-emergency services

If you're looking for someone to perform the yearly mandated backflow prevention testing, we can do it as well as provide you and the county with the required forms and documents to keep you up to code. Before your next backflow prevention device testing is due we will also call and send you a friendly reminder so you can schedule in advance.
Serving Northern Virginia Plumbing
We are proud to be providing the highest quality of plumbing services
for the following areas:



Prince William County
Loudoun County
Stafford County
Fairfax County
Arlington County