Priority 1 Plumbing and Drain Services
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Claim This BusinessAbout Priority 1 Plumbing and Drain Services
Priority 1 Plumbing and Drain Services operates as a VA Class A contractor serving Leesburg, Loudoun County, and the broader Northern Virginia region. The business holds VA Master Plumber and Gasfitter licensing, with technicians collectively bringing over 60 years of hands-on experience across drain cleaning, water heater service, well pump repair, and sewer line work. Rated 4.9 stars across 337 client reviews, the company maintains round-the-clock availability every day of the week from its headquarters on East Market Street in downtown Leesburg. In addition to Leesburg proper, service extends to Ashburn, Sterling, Reston, McLean, Great Falls, Purcellville, Hamilton, Lovettsville, Round Hill and Hillsboro.
The company distinguishes itself through transparent up-front flat rate pricing, eliminating surprise costs upon job completion. Their service menu covers the complete lifecycle of residential water infrastructure, from sump pump installation and backflow device testing for irrigation systems to whole-home water treatment solutions that address taste and odor concerns. For homeowners in Loudoun County with older properties, the team handles repiping projects involving both modern copper lines and legacy PVC configurations, often completing assessments and repairs within the same day of customer contact.
Customer reviews consistently highlight specific team members delivering problem-solving service. Reviewer Jessica Schlachter described Paul and Matt responding to a dangerous water heater situation installed incorrectly by a landlord, arriving early the next morning to install a code-compliant system. Technician Michael has returned to reviewer Hannah Hager's home multiple times within 24-hour windows, including complimentary garbage disposal assistance and subsequent shower repairs. For water heater anode rod replacement, reviewer Zach LeBlanc noted Michael arriving within hours of the same-day scheduling request and upgrading cold-water line connections with new shutoff valves.
What Customers Say
Five-star ratings dominate the review portfolio, with technicians Paul, Matt, and Michael earning named recognition across multiple positive accounts. Customers repeatedly cite rapid same-day response, upfront pricing transparency, and successful resolution of problems that previous contractors failed to solve.
Working Hours
| Sunday | Open 24 hours |
| Monday | Open 24 hours |
| Tuesday | Open 24 hours |
| WednesdayToday | Open 24 hours |
| Thursday | Open 24 hours |
| Friday | Open 24 hours |
| Saturday | Open 24 hours |
Services
Drain Cleaning
Clears clogged drains and main sewer lines using professional diagnostic equipment and techniques.
Water Heater Repair or Replacement
Installs, repairs, or replaces traditional and tankless water heaters with code-compliant setups.
Sump Pumps and Sump Plumbing
Installs and services sump pump systems to prevent basement flooding and water damage.
Sewer and Water Service Lines
Repairs or replaces incoming water supply and outgoing wastewater lines using modern technology.
Water Treatment Systems
Evaluates home water quality and installs filtration or treatment systems addressing taste and odor issues.
Backflow Prevention Testing
Certifies and tests backflow devices for irrigation and fire suppression systems per county requirements.
Well Pump Service and Repair
Maintains and repairs well water systems for residences outside municipal water districts.
Toilet Installation and Repair
Installs new toilets and repairs leaking or malfunctioning bathroom fixtures.