ABOUT

Metroline Plumbing and Mechanical

Trusted plumbing experts serving residential and commercial customers across DC, Maryland and Virginia.

WHO WE ARE

Professional Plumbing. Built Around Service.

Metroline Plumbing and Mechanical provides professional residential and commercial plumbing and mechanical services throughout the Washington, DC metropolitan area, serving Washington, DC, select areas of Maryland, and Northern Virginia.
We handle everything from unexpected plumbing problems and everyday repairs to planned installations, system replacements, and larger commercial projects. Whether we’re responding to a leak in a home, replacing a water heater, diagnosing a recurring sewer issue, or coordinating plumbing work for a commercial property, our approach remains the same: understand the problem, communicate clearly, and complete the work properly.

Our mechanical capabilities extend beyond traditional plumbing. We also service boilers, hydronic heating systems, and related mechanical equipment, allowing our team to provide solutions for properties with more complex plumbing and heating needs.

We are committed to professional workmanship, straightforward communication, and dependable service from the initial request through project completion.

Licensed • Insured • Bonded

HOW WE WORK

Four things we hold to

Diagnose before quoting. Most plumbing that gets replaced did not need replacing, and most plumbing that gets patched should have been replaced. A camera, a pressure test or a meter check costs an hour and is the difference between fixing a problem and treating a symptom every spring.

Price in writing before work starts. Where repair and replacement are both real options, both get quoted. You should be choosing between them, not finding out afterwards which one you bought.

The right licence for the jurisdiction. DC, Maryland and Virginia license separately, and WSSC Water licenses separately again for Montgomery and Prince George’s. Turning up with the wrong credential means the work cannot be permitted, and that is the contractor’s problem to have sorted out before quoting, not the customer’s to discover.

Leave the site clean. Plumbing happens in kitchens, bathrooms and finished basements. Drop cloths, boot covers and hauling the old unit away are part of the job, not an upsell.

Plumber's hands working on a plumbing installation, applying sealant to a brass fitting
Colorful Piping and-valves-system-on-white-wall
CREDENTIALS

Licensed, insured and bonded

All three, and they mean different things worth knowing as a customer. Licensed means the jurisdiction has verified competence and permits work to be pulled. Insured means damage caused during the work is covered rather than becoming an argument. Bonded means there is financial recourse if contracted work is not completed.

Licenses we hold
Washington, DC — Master Plumber License No. [NUMBER]
Maryland — Master Plumber License No. [NUMBER]
WSSC Water (Montgomery & Prince George’s) — License No. [NUMBER]
Virginia — Class [A/B/C] Contractor License No. [NUMBER]
Insurance
General liability and workers’ compensation coverage is carried on every job. Certificates of insurance are issued on
request — property managers and commercial clients usually want one before a first visit, and we can have it to you
the same day.
Bonded
Contracted work is bonded, which means there is financial recourse if work is not completed as agreed.

Our mission

At Metroline Plumbing and Mechanical, we are committed to delivering dependable plumbing services with honesty, professionalism and quality workmanship.
With 30+ years of experience serving the DMV community, our team of licensed and insured plumbers are dedicated to solving your plumbing problems quickly and effectively.

Why choose us:

• Experienced & certified technicians
• Upfront, transparent pricing
• Fast response times
• Quality workmanship guaranteed
• Customer-first approach

We believe in building long-term relationships with our customers by providing service you can trust.

FAQ

What areas do you service?

We proudly serve Washington DC, Maryland and Virginia metropolitan areas. If you’re unsure whether we cover your location, please don’t hesitate to contact us.

We provide a full range of residential and commercial plumbing services, including repairs, Installations, maintenance, drain and sewer solutions, water heater services, gas line work, and Water treatment systems. Our team is equipped to handle everything from routine issues to complex Plumbing projects with precision and care.

In many cases we can offer same-day or next-day service, depending on availability and what the job involves. Emergencies are triaged ahead of scheduled work.

worker with tools belt holding
NEED PLUMBING SERVICE?

Tell Us What You Need

Whether you need an urgent repair, routine service, or are planning a future project, tell us what’s going on and we’ll help determine the next step.