Water Treatment | Plumbing | Well Pumps
National Water Service is proud to offer expert tankless water heater solutions, including installation, maintenance, and repairs. We provide a variety of water heater options to suit your home’s needs, including electric, propane hybrid, and natural gas models.
National Water Services is proud to provide tankless water heater services for water heater installations, operating maintenance, and repairs.
No more leaky faucets, endless drips, or out-of-style faucets. A new faucet installation from professional plumbers is a fast way to improve your aesthetics and function.
Don’t let your sump pump fall into damage or disrepair. A properly functioning sump pump stops flooding of your basement and low lying areas of your homes.
Professional gas line installations professional plumbers ensure there are no leaks, you have regular pressure regulation, and secure valves for reliable shut-off when needed. Get gas fitting for your barbecues, grills, fireplaces, and other appliances.
Never again worry about your home water system, sudden leaks, keeping up with water filter maintenance, losing water to left-on taps, or experiencing unexpected frozen or burst water pipes.
New garbage disposal replacements in Maryland can help with clogged drains, foul odors, and constant repairs. Get a powerful and reliable garbage disposal that works effortlessly, leaving your sink and pipes clear and odor-free.
Maintain and upgrade your outdoor kitchen plumbing today. Get pipe fittings, propane and natural gas, outdoor sinks, outdoor drains, BBQ stations, and more.
Leaks, clogs, and burst pipes don’t wait. Get emergency plumbing repairs from National Plumbing for water heater malfunctions, pipe leaks, sewer backups, faucet repairs, and much more.
With over 45+ years of experience in water repair and management, we are proud to offer dedicated Water Techs & Master Plumbers to homes and businesses. Get affordable pricing, competitive quotes, and quality materials that last.
We provide a full range of residential and commercial plumbing services throughout Maryland, D.C., and Northern Virginia, including faucet installation, drain cleaning, water heaters (traditional and tankless), gas fittings, leak detection, sump pumps, outdoor kitchen plumbing, garbage disposal installation, emergency plumbing services, and more.
Yes—whether you’re installing new plumbing fixtures or systems (like a tankless water heater or outdoor kitchen plumbing) or need repair work (e.g., leak detection, clogged drains, sump pump issues), our team of master plumbers can manage both.
We serve homes and businesses across Maryland, Washington D.C., and Northern Virginia.
Yes — we are equipped to respond to urgent plumbing issues such as burst pipes, major leaks, sewer backups, and no-water situations. Contact us at the number on the site for prompt assistance.
Regular maintenance is key to avoiding major emergencies. It’s recommended to schedule inspections for things like sump pumps, water heaters, gas lines, and drainage systems at least annually. Preventive maintenance can extend equipment life and reduce unexpected repair costs.
No problem — our technicians will perform diagnostics including leak detection, drain inspections, or system evaluations to determine the root cause, then provide you with clear options and upfront pricing before proceeding.
We strive for transparency — you’ll receive an itemized quote before any work begins, so you understand what is being done, why it’s needed, and what you’ll pay. That way there are no surprises.
Absolutely. Whether it’s a simple faucet replacement, installing a garbage disposal, or a full-scale plumbing installation for a new build or outdoor kitchen, we’ve got the expertise and experience.
Yes — we offer tankless water heater installations, servicing, and maintenance for homes and businesses. These systems provide energy-efficient hot water and we handle them end-to-end.
It’s easy — call our number (301-854-1333), fill out the contact form on our website, or use our online scheduling link. We’ll set up a convenient time to send a technician, evaluate your needs, and provide a quote.
National Water Services is proud to offer all the plumbing services you need for your home or business. From small faucet replacements to major plumbing installations, we have you covered for plumbing in Maryland, DC, and Northern VA. With over 45 years of experience, our team of master plumbers is here to get your plumbing up and running in no time. Skip the hassle—reach out today for fast, reliable service backed by decades of expertise.
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Whether it’s an unexpected emergency or routine maintenance, our team is available to take your call, answer questions, and ensure you’re on the path to a reliable solution.
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Talk directly with our skilled professionals who understand your needs. They’ll walk you through the best options for your situation and find an appointment time that suits your schedule.
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Our experienced technicians arrive promptly, equipped with the knowledge and tools to handle your plumbing needs with efficiency and precision, restoring your home’s plumbing and peace of mind.
