Licensed Plumbing Services in Washington, DC
Washington, DC Plumbing & Permit Note: Certain Washington, DC properties are served by the City of Washington, DC water and sewer system, while others are served by DC Department of Buildings (DOB). Plumbing permit and inspection requirements therefore depend on the property and project. We coordinate the applicable permit and inspection steps rather than leaving homeowners to navigate the process themselves.
Plumbing Services We Offer in Washington, DC
🔥 Water Heater Services
- Gas & electric tank replacement
- Tankless water heaters
- Heat pump water heaters
- Expansion tanks
- Water heater relocation
🔧 Repiping & Pipe Replacement
- Whole-home PEX repiping
- Copper repiping
- Galvanized pipe replacement
- Polybutylene replacement
- Localized pipe repairs
🚿 Bathroom & Kitchen Plumbing
- Bathroom rough-in & finish
- Shower and tub valves
- Toilet rough-in & relocation
- Kitchen sink & faucet connections
- Remodel plumbing coordination
💧 Drainage & Pump Systems
- Sump pump installation
- Battery backup pumps
- Sewage ejector pumps
- Floor drains
- Basement bathroom plumbing
🛠️ Fixtures & Appliances
- Toilets, faucets & showerheads
- Garbage disposals
- Dishwasher connections
- Refrigerator ice-maker lines
- Washer hookups & hose bibs
💎 Water Treatment
- Whole-home filtration
- Water softeners
- Under-sink RO systems
- Sediment filters
- Pressure regulators
Whole-Home Repiping in Washington, DC
Older plumbing systems can develop recurring leaks, corrosion, restricted flow and poor water pressure. Our plumbers inspect accessible supply piping to identify the existing material and condition before recommending a solution. When replacement is appropriate, we can install modern PEX or copper supply piping and coordinate necessary wall access and restoration.
Polybutylene pipe warning: Gray plastic polybutylene supply piping can be found in some homes built during the late 20th century. If you see gray plastic water-supply pipes or experience repeated leaks, schedule an assessment before a localized failure becomes a larger water-damage event.
Plumbing Warning Signs in Washington, DC Homes
🟤 Discolored Water
Brown, orange or rusty water can indicate pipe corrosion or water-heater problems and deserves professional evaluation.
📉 Low Water Pressure
Reduced pressure throughout the house can be associated with corrosion, restricted piping or pressure-control issues.
💧 Visible Corrosion
Green staining, mineral deposits or rust on exposed piping may indicate deterioration or an active plumbing issue.
🌊 Recurring Leaks
Repeated leaks in different areas can point to aging plumbing rather than one isolated fitting.
🔊 Banging Pipes
Water hammer, rattling or unusual pipe noise may indicate pressure, support or flow-related problems.
💰 Unexplained Water Bills
A sudden increase in water use can be a warning sign of a hidden leak that needs investigation.
Water Heater Installation & Replacement in Washington, DC
Choosing the right water heater depends on household size, fuel availability, hot-water demand, installation location and long-term efficiency goals. We assess the existing setup and explain the practical options before installation.
| Water Heater Type | Typical Use | Key Consideration |
|---|---|---|
| Gas Tank | Straightforward replacement | Existing gas and venting configuration |
| Electric Tank | Homes without gas service | Electrical capacity and tank size |
| Tankless | On-demand hot water | Flow demand, gas/electrical requirements and venting |
| Heat Pump | High efficiency | Available space, electrical service and installation conditions |
Plumbing for Washington, DC Bathroom & Kitchen Remodeling
Remodeling often requires more than installing a new fixture. A bathroom or kitchen renovation may involve relocating supply lines, drains, vents, shower valves, toilets, sinks, appliances or specialty fixtures. Our design-build approach allows plumbing work to be coordinated with other trades so rough-in work happens at the correct stage and finished surfaces are protected.
Basement Plumbing & Sump Pump Services in Washington, DC
Finished basements often require reliable drainage and properly designed plumbing for bathrooms, laundry areas, utility rooms and wet bars. We install and replace sump pumps, battery backup systems, sewage ejector pumps and basement plumbing rough-ins based on the home's layout and drainage requirements.
Permit & Inspection Coordination
For properties within the City of Washington, DC, the City provides plumbing trade permits and performs plumbing inspections. Some properties are served by DC Department of Buildings (DOB) instead, in which case DC Department of Buildings (DOB) requirements may apply. We coordinate the applicable permit and inspection steps for the projects we perform and keep documentation organized from application through final testing.
E-E-A-T focus: We do not treat permitting as an afterthought. Before work starts, the project scope is reviewed for the applicable permit/inspection requirements; during installation, the plumbing is tested and documented; and at completion, required inspections are coordinated so the homeowner has a clear record of the work.
Why Choose DMV General Contracting Group for Plumbing in Washington, DC?
Licensed & Insured
DMV General Contracting Group presents itself as a licensed and insured contractor, with licensed plumbers on staff for residential plumbing work.
In-House Coordination
Plumbing can be coordinated with electrical, tile, carpentry and remodeling crews instead of relying on disconnected project schedules.
Clear Estimates
We inspect accessible conditions, explain options and provide a written estimate before proceeding with the work.
Code-Conscious Work
Projects are planned around applicable Maryland, Montgomery County and DC Department of Buildings (DOB) requirements where they apply.
Home Protection
We protect cabinets, walls, flooring and finished surfaces during plumbing access and installation work.
Final Testing
New plumbing is tested for leaks, fixture operation, water flow, drainage and water-heater performance before completion.
Our Plumbing Service Process in Washington, DC
Free Plumbing Assessment
We evaluate the existing pipes, fixtures, water heater, drainage and accessible plumbing areas, then discuss your goals and provide a written estimate.
Scope & Permit Review
We determine the work required and coordinate applicable permit and inspection requirements for the Washington, DC/Montgomery County service area.
Professional Installation
Our plumbing team completes the approved work while protecting finished areas and coordinating access with other trades when needed.
Inspection & Corrections
Where inspections are required, we coordinate scheduling and respond to applicable inspector comments.
Testing & Homeowner Walkthrough
We check connections for leaks, verify fixture and water-heater operation, confirm drainage and review the completed work with you.