Upper Marlboro is the Prince George's County seat and, despite that, a genuinely small town. The historic core holds eighteenth and nineteenth-century buildings, while the surrounding zip codes cover a large rural area of farmland and properties on acreage.
That gives us two kinds of work. In the town it is careful old-building plumbing — limited chase space, original construction, layered alteration. Outside it is rural work with wells, septic systems and outbuilding supply runs.
It is about thirty-six miles from our shop, so this is scheduled territory. We come for planned work and are honest about what emergency response looks like from Catonsville.
What we find in Upper Marlboro homes

Historic town core
Eighteenth and nineteenth-century buildings with minimal routing space. Careful planning and flexible materials make a modern upgrade possible without damaging the building.
Rural acreage around it
Wells, septic and outbuilding supply runs across a large surrounding area. Treatment follows a real test; pressure complaints are usually the tank or switch rather than the pump.
Western Branch drainage
Low-lying parcels near the Patuxent tributaries have higher groundwater. Sump reliability and discharge routing matter on those properties.
Neighborhoods and landmarks we work around
We cover all of Upper Marlboro and the surrounding Prince George's County communities, including 20772, 20774. Areas we are in regularly:
- Main Street Upper Marlboro
- Route 4
- Patuxent River
- Show Place Arena
- Marlboro Pike
- Croom
What Upper Marlboro customers tell us
Upper Marlboro covers a lot of ground and a lot of building types. We ask what we are coming to before quoting rather than assuming.
I had an outstanding experience with Collins & Sons LLC. Daniel has done several projects at my home over the last 4 years. He has helped me with small projects (replacing a garbage disposal), large projects (renovating my patio) and random projects. No mat…
Needed a water heater and my upstairs plumbing replaced. After contacting them they were very flexible to my schedule, also explaining in detail costs and procedures. Who doesn't like an honest family owned professional? I would use them again any time and…
Danny is a very professional and friendly person to work with. His work as a plumber and contractor is outstanding. He receives a high rating as he cleans up after he finishes working. I highly recommend this company and Danny to work on any project for you…
Plumbing questions from Upper Marlboro
Can you work on an eighteenth-century building?
Yes, carefully. Old buildings are a large part of what we do and the discipline transfers directly from the historic properties we handle in Catonsville, Oella and Ellicott City.
Am I on a well out here?
Many properties in the rural parts of these zip codes are. A pressure tank and no water meter means a well, and it changes the treatment conversation entirely.
How far out is Upper Marlboro?
About thirty-six miles. We schedule work there as part of our Prince George's coverage and are straightforward about emergency drive time.

