Commercial & Residential
Plumbing You Can Count On
Avalon Plumbing serves property managers, landlords, and facility operators across the DC Metro Area — with in-house licensed plumbers, not subcontractors.
Prefer to talk first? Call 240-743-9439
Full-Service Plumbing Solutions
From routine maintenance to complex commercial installations, our licensed plumbers handle it all — on schedule, on budget.
Leak Detection & Repair
Pinpoint and repair leaks in supply lines, drain lines, and concealed piping before they become structural problems.
Drain Cleaning
Hydro-jetting and mechanical snaking for blocked floor drains, kitchen lines, and main sewer lines.
Water Heater Installation
Replacement and new installation of tank and tankless water heaters — properly permitted and code-compliant.
Pipe Replacement
Full and partial repipe services for aging galvanized, lead, or corroded lines — copper, PEX, or CPVC as appropriate.
Fixture Installation
Sinks, faucets, toilets, urinals, and commercial fixtures — spec-matched for multifamily and commercial settings.
Backflow Testing & Certification
Annual backflow preventer testing and certification — required by most local jurisdictions for commercial properties.
Commercial Plumbing
Ground-up rough-in, tenant improvement buildouts, and systems maintenance for office buildings, retail, and multifamily properties.
Simple Steps From First Call to Finished Work
A clear process helps you feel taken care of before our technician ever arrives.
Tell Us What Is Happening
Call or send the service form with the issue, location, photos if available, and how urgent it is.
Get a Clear Next Step
We help determine whether the work needs a service visit, estimate, replacement plan, or emergency response.
Approve the Work
You get straightforward communication before work begins, with documentation where needed for your records.
Part of a Proven Operations Company
Avalon Plumbing is a licensed DBA of Avalon Industries LLC — a DC Metro-area operations and facilities company built around doing skilled trade work the right way. We operate with in-house licensed plumbers, not subcontractors. That means consistent quality, direct accountability, and no markup chains.
We work primarily with property managers, facilities directors, and commercial landlords who need a plumbing contractor they can call without second-guessing. Every job is permitted properly, executed cleanly, and documented for your records.
We have a WSSC certified backflow technician on staff, handling annual backflow prevention testing and certification filings directly with WSSC, DCWASA, and Virginia water authorities — so property managers don't have to chase the paperwork.
All work is performed and contracted under Avalon Industries LLC, which carries full general liability insurance, workers' compensation coverage, and all applicable state and local trade licenses.
Serving the DC Metro Area
Licensed to work in Maryland, Washington DC, and Virginia — giving property portfolios across jurisdictions a single reliable plumbing partner.
Ready to Get a Quote?
We respond within one business day. For emergencies, call us directly.