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Plumbing & Excavating Done Right.

Quality workmanship you can trust. Serving residential and commercial customers throughout Southern Maryland with transparency and care.
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5

Counties Served

24/7

Emergency Service

100%

Satisfaction Guaranteed

Proudly Serving

  • Anne Arundel County
  • Calvert County
  • Charles County
  • Prince George's County
  • St. Mary's County

What We Do

Complete Plumbing & Excavating Solutions

From simple repairs to major installations, we handle every project with the same commitment to quality.

Water Heaters

Expert installation and servicing of traditional and tankless water heaters for reliable hot water year-round.

Well Systems

Well tanks, pump installation, water softeners, and complete water service replacement and repairs.

Drain Services

Sink stoppages, drain cleaning, camera inspection and professional jetting of drain lines.

Septic Systems

Complete septic installation and repairs, perc tests, and ongoing system maintenance.

Backflow Testing

Professional backflow testing and installation to keep your water supply safe and code-compliant.

Excavating & Grading

Site preparation, grading, and excavation services for residential and commercial projects.

Family Owned. Community Focused. Quality Driven.

At DMH Plumbing & Excavating, we believe in providing our customers with quality and reliable workmanship that you can trust. As a family owned and operated business, we treat every project—big or small—with the same level of care and professionalism we’d give our own home.

Quality Workmanship

Built to last, done right the first time

Full Transparency

Clear pricing, no hidden surprises

Hard Work

Dedicated to getting the job done

Communication

Keeping you informed every step

Start Your Project

What Our Customers Are Saying

Don’t just take our word for it. Here’s what Southern Maryland homeowners have to say about working with DMH Plumbing & Excavating.

5.0

Average Rating

“DMH came out the same day we called. They diagnosed our well pump issue quickly and had it fixed within hours. Fair price and great communication throughout. Highly recommend!

Michael R.

Huntingtown, MD

“We needed a new septic system installed and DMH handled everything from the perc test to final inspection. Professional crew, clean work site, and they finished ahead of schedule.”

Sara T.

Prince Frederick, MD

“Best plumber we’ve ever worked with. They replaced our water heater and took the time to explain everything. No pushy upsells, just honest service. Will definitely call again.”

David K.

Chesapeake Beach, MD

Let's Talk About Your Project

Whether you need a quick repair or a major installation, we’re here to help. Reach out and we’ll get back to you as soon as possible.
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