Residential Plumbing Services
Residential Plumbing Services in Northern Virginia
From emergency repairs to hot water replacement, The Professor Plumbers delivers fast, licensed residential plumbing across Prince William, Fairfax, and Loudoun Counties.
Our Residential Plumbing Services
We handle every aspect of your home's plumbing — from routine maintenance to urgent repairs — with licensed technicians and guaranteed workmanship.
Drain Cleaning
Fast, effective drain clearing for sinks, tubs, showers, and main sewer lines. We use professional-grade equipment to remove clogs and restore full flow.
Water Heater Services
Installation, repair, and replacement of traditional tank and tankless water heaters. We work with all major brands and can have hot water restored the same day.
Faucets & Fixtures
Expert installation and repair of faucets, sinks, showers, and all plumbing fixtures. Upgrade your kitchen or bathroom with quality fixtures installed right.
Toilet Repair & Replacement
From running toilets to full replacements, we handle it all quickly and cleanly. Stop wasting water and money on a faulty toilet — we fix it fast.
Leak Detection & Repair
Advanced leak detection to find hidden leaks before they cause major damage. Our licensed plumbers use proven methods to locate and seal leaks with minimal disruption.
Emergency Plumbing Repairs
Burst pipes, sewage backups, and flooding don't wait for business hours. Our emergency plumbing team is available when you need us most — day or night.
Available Around the Clock
24/7 Emergency Plumbing Repairs in Northern Virginia
A plumbing emergency can strike at any hour — a burst pipe flooding your basement, a sewage backup threatening your family's health, or a water heater failure leaving you without hot water in the middle of winter. When disaster hits, The Professor Plumbers is ready to respond fast.
Our emergency plumbing team handles burst and frozen pipes, major drain blockages and sewage backups, water heater failures, gas line concerns, and flooding caused by broken supply lines. Call (571) 632-6151 any time, day or night.
Available 24 hours a day, 7 days a week — including holidays.
Call Now: (571) 632-6151Our Team at Work
Trusted Plumbers in Your Neighborhood
From drain cleaning to emergency repairs, our licensed plumbers show up ready to solve your problem right the first time.
Same-Day Appointments Available
Hot Water Heater Replacement & Installation
Losing hot water is more than an inconvenience — it disrupts your daily routine and can signal deeper plumbing problems. The Professor Plumbers specializes in water heater replacement and installation for homeowners throughout Northern Virginia.
We install and service all major water heater types, including traditional 40- and 50-gallon tank units, high-efficiency tankless water heaters, and hybrid heat pump water heaters. Our team will size the unit correctly for your home, handle all permits, and complete the installation to code.
We work with leading brands including Rheem, Bradford White, A.O. Smith, Navien, and Rinnai. Same-day and next-day appointments are available throughout Manassas, Woodbridge, Centreville, Herndon, Leesburg, and surrounding communities.
Tank Water Heaters
40 & 50-gallon traditional units
Tankless Water Heaters
Endless hot water, up to 30% energy savings
Hybrid Heat Pump Units
High-efficiency for larger households
For General Contractors & Property Managers
Working with Local Contractors for Plumbing Work
The Professor Plumbers has built strong working relationships with local general contractors, home builders, remodelers, and property managers throughout the region.
Whether you're a general contractor managing a kitchen remodel in Fairfax, a home builder completing new construction in Loudoun County, or a property manager overseeing a multi-unit complex in Prince William County, we offer the reliability and professionalism your projects demand.
We also partner with HVAC companies, electricians, and other trades on whole-home renovation projects. Call us at (571) 632-6151 to discuss your project needs.
Your Trusted Residential Plumber Across Northern Virginia
The Professor Plumbers is a fully licensed and insured plumbing contractor serving homeowners throughout Prince William County, Fairfax County, and Loudoun County.
Residential Plumbing Services for Every Home
Every home in Northern Virginia has unique plumbing needs. Our plumbers are experienced across all home types and ages, and we bring the right tools and knowledge to every job.
Serving Homeowners in Prince William, Fairfax, and Loudoun Counties
We provide residential plumbing services throughout Northern Virginia, including Manassas, Woodbridge, Dale City, Centreville, Fairfax, Reston, Herndon, Sterling, Ashburn, and Leesburg.
Why Northern Virginia Homeowners Choose Us
We earn our customers' trust through consistent, high-quality work and honest communication. We provide upfront pricing before any work begins, so there are no surprises on your invoice.
Licensed, Insured, and Code-Compliant Plumbing
All plumbing work performed by The Professor Plumbers is completed by licensed Virginia plumbers and meets or exceeds local building codes. We pull permits when required and coordinate inspections.
Common Questions
Frequently Asked Questions
Ready to Schedule Your Residential Plumbing Service?
Our licensed plumbers serve all of Northern Virginia — Prince William, Fairfax, and Loudoun Counties. Contact us today for a free estimate or emergency dispatch.
Water Line Replacement in Northern Virginia — We Own Our Equipment
When the main water line to your home fails, everything stops. No water pressure. No hot showers. No running dishwasher. No flushing toilets. A broken or deteriorating main water line is not a minor inconvenience — it is a household emergency that demands a fast, professional response.
The Professor Plumbers specializes in main water line replacement throughout Northern Virginia. Unlike many plumbing companies that subcontract excavation work, we own our own equipment and self-perform every phase of the job — from permit application to final inspection.
Signs You May Need a Water Line Replacement
Main water lines in Northern Virginia are often original to the home — galvanized steel or lead pipe installed decades ago. Here are the warning signs that your water line may need replacement:
Consistently low water pressure throughout the home
Discolored or rusty water from multiple fixtures
Unexplained spikes in your water bill
Wet spots, sinkholes, or unusually green patches in your yard
Frequent pipe leaks or repairs on the same line
Home built before 1980 with original galvanized or lead pipe
Our Water Line Replacement Process
- 1
Free On-Site Estimate
We visit your property, assess the existing water line, and provide a written estimate before any work begins. No surprises.
- 2
Permit Application
We apply for the required permit with your local jurisdiction — Prince William, Fairfax, Loudoun, or other Northern Virginia counties.
- 3
Excavation & Installation
Our crew excavates the trench, removes the old pipe, and installs new PEX-A or Type K copper water service line to code.
- 4
Pressure Testing & Inspection
We pressure-test the new line before backfill and coordinate the required building inspection.
- 5
Backfill & Site Restoration
We backfill the trench in compacted lifts, restore the grade, and clean up all excavated material and debris.
Why Choose The Professor Plumbers for Water Line Replacement?
Most plumbing companies call a subcontractor when a job requires excavation. That means more coordination, more delays, and more markup on your invoice. The Professor Plumbers owns our excavation equipment and handles the entire water line replacement in-house.
Our Class A Virginia contractor license covers the full scope of water line work, including excavation, pipe installation, pressure testing, and final backfill. We pull the permit, schedule the inspection, and stay on the job until the work passes.
Water Line Replacement FAQs
How long does a main water line replacement take?
Most residential main water line replacements in Northern Virginia are completed in one to two days. Day one covers excavation, pipe installation, and pressure testing. Day two covers the building inspection, final connections, and backfill.
How much does water line replacement cost in Northern Virginia?
Most residential replacements in Northern Virginia range from $3,500 to $8,000 depending on the length of the run, pipe material, soil conditions, and permit fees. We provide a free written estimate before any work begins.
Do I need a permit to replace my main water line?
Yes. Main water line replacement requires a permit in all Northern Virginia jurisdictions we serve. The Professor Plumbers pulls the permit on your behalf and coordinates all required inspections.
What pipe material do you use for water line replacement?
We install new main water lines in PEX-A or Type K copper — both approved for underground water service in Virginia. PEX is flexible, freeze-resistant, and has a service life of 50 or more years.
Will you restore my yard after the water line replacement?
Yes. We backfill the trench in compacted lifts, restore the grade, and clean up all excavated material and debris. We leave the yard clean, graded, and ready for grass seed or sod.
Explore Our Specialized Service Pages
Main Water Line Replacement
We own our equipment — no subcontractors, no markups. Free estimate.
Sewer Pipe Replacement
Camera inspection before every dig. Trenchless and open-cut methods. All permits pulled.
24/7 Emergency Plumbing
Burst pipes, sewer backups, no hot water — we dispatch within 60–90 minutes.