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southern NH, Seacoast, and greater Concord area

Water pressure that drops to a trickle at the kitchen faucet, a water heater that runs cold halfway through a shower, or a slab leak hiding beneath the foundation all point to the same reality: plumbing systems in Dover homes need attention from people who understand both the aging housing stock and the demands of modern fixtures. Paul the Plumber handles these situations every day, combining diagnostic precision with repairs that hold up over the long term.

Diagnosing Problems in Dover’s Mix of Old and New Homes

Dover contains a wide range of construction eras, from historic properties with galvanized steel supply lines to newer developments plumbed with PEX and modern copper. Each material behaves differently as it ages. Galvanized pipe corrodes from the inside out, gradually restricting flow and discoloring water with rust particles. Older copper can develop pinhole leaks from acidic water or improper soldering decades ago. Understanding which material sits behind a wall changes how we approach a repair.

When we arrive for a diagnosis, we trace the plumbing from the point of concern back toward the source. A weak faucet might indicate a failing supply line, a clogged aerator, a partially closed valve, or a pressure regulator that has drifted out of specification. Rather than guessing, we isolate each possibility. This methodical process saves you from paying for parts that were never the actual cause. As a family owned and operated business with 22 years of experience, we have seen how a rushed diagnosis leads to repeat visits, so we take the time to identify the root problem the first time.

Repairing and Replacing Water Heaters

A water heater is one of the hardest-working appliances in any Dover home, and it often fails without much warning. Tank-style units typically last eight to twelve years before sediment buildup, a corroded anode rod, or a failed heating element brings them to the end of their service life. When we inspect a struggling water heater, we check the temperature and pressure relief valve, the thermostat setting, the burner assembly on gas models, and the condition of the tank itself. Rust-colored water or a rumbling sound during heating usually signals sediment accumulation that reduces efficiency.

Homeowners who want to eliminate the standby heat loss of a storage tank often ask about tankless systems. A tankless unit heats water on demand and can supply endless hot water when sized correctly for the household. Proper sizing depends on the ground water temperature in the region, the number of simultaneous fixtures, and the flow rate each fixture requires. We calculate the necessary temperature rise and match it to a unit that delivers consistent output. Whether you keep a conventional tank or upgrade to tankless, we back the installation with our workmanship standards and our 2 year parts and labor warranty.

Clearing and Preventing Drain Blockages

Slow drains and full stoppages rank among the most common calls we receive. The cause varies by fixture. Kitchen drains collect grease and food debris that hardens inside the pipe walls. Bathroom drains accumulate hair and soap scum. Main sewer lines in older Dover neighborhoods frequently suffer from tree root intrusion, where roots find their way into joints seeking moisture and gradually choke off flow.

For surface clogs, mechanical augering often restores flow quickly. For stubborn or recurring blockages, we use camera inspection to see exactly what is happening inside the line. A small waterproof camera travels through the pipe and shows us cracks, offsets, root masses, or collapsed sections on a monitor. This removes guesswork and lets us recommend the correct solution, whether that is hydro jetting to scour the pipe walls clean or a targeted repair of a damaged section. Preventing repeat problems matters as much as clearing the immediate one.

Fixing Leaks Before They Cause Damage

A leak wastes water and threatens the structure around it. Hidden leaks inside walls or under slabs can go unnoticed for weeks while feeding mold growth and rotting framing. We look for the telltale signs: unexplained increases in the water bill, warm spots on a floor, the sound of running water when no fixture is open, or persistent humidity in a specific area. Acoustic listening equipment and moisture meters help us pinpoint a leak location without tearing open every surface.

Once located, the repair depends on the pipe material and the accessibility of the damaged section. A compression fitting, a soldered joint, or a section replacement each has its place. We repair the leak, verify the fix under pressure, and restore the area as cleanly as possible. Our technicians are licensed and background checked, so you can feel comfortable having them in your home while they complete the work.

Common Plumbing Scenarios We Address Across Dover

Every home presents its own challenges, but certain requests come up again and again. The following situations represent the core of the plumbing work we perform:

  • Fixture replacement: installing new faucets, toilets, and sinks with proper seals and shutoff valves that make future maintenance easier
  • Sump pump service: testing, repairing, and replacing pumps that protect basements from flooding during heavy rain and spring melt
  • Repiping projects: replacing failing galvanized or corroded copper with modern materials to restore pressure and water quality throughout the home
  • Gas line work: running and repairing lines for water heaters, ranges, and other appliances with careful pressure testing for safety
  • Winterization and freeze protection: insulating vulnerable pipes and advising on measures that prevent burst lines during New Hampshire cold snaps

Each of these tasks demands attention to code requirements, proper venting, and correct pipe sizing. We handle them with the same care whether the job is a single fixture swap or a whole-house repipe.

Why Homeowners Choose Paul the Plumber

Trust drives every decision a homeowner makes when inviting a contractor into their home. We have earned that trust through consistent, reliable service. We are BBB accredited with an A+ rating, and we have gathered thousands of verified five-star reviews across multiple review platforms. Those numbers reflect a simple philosophy: we treat customers like family and we treat our employees like family. That culture shows up in the quality of the work and the respect our team brings to every visit.

We also believe you deserve to know the cost before we begin. We offer up front pricing, so there are no surprises when the job is done. Every repair and installation comes with a 2 year parts and labor warranty, and homeowners who join our club membership receive an extended 3 year parts and labor warranty along with priority scheduling. This structure rewards the customers who rely on us for ongoing maintenance and gives everyone peace of mind that the work will last.

Service Across the Region

While our focus here is Dover, our team serves homeowners throughout the surrounding communities as well, including Derry. Alongside our plumbing expertise, we provide heating, HVAC, and electrical services, which means a single trusted company can handle furnace repair, AC repair, HVAC installation, and electrical needs in addition to your plumbing. Coordinating these systems under one roof simplifies your maintenance and ensures that everything works together efficiently.

When you call Paul the Plumber, you reach a team that cares about doing the job right and doing it with integrity. We show up when we say we will, we explain what we find in plain language, and we deliver service with a smile. Whether you face an urgent leak, a failed water heater, or a slow drain that keeps coming back, we are happy to help restore your home’s plumbing to reliable working order.

Plumbing Services in Dover, NH

Plumbing Services in Dover, NH

Plumbing Services ∴ Dover, NH

Featured Services

Residential Plumbing

Plumbing Fixtures

Water Heaters

Indoor Air Quality

Air Conditioning

Heating

Ductless HVAC

Duct Maintenance

D. Lefort

Arrived as scheduled to fix a leak from the shower valve. Tried to fix old 30 or 40 year old unit but had to replace with a new one. Quality work, parts and cleaned up when they were done. Would definitely use again.

J. Shea

John was wonderful. He found the problem right away and fixed it. He checked other outlets just to make sure I would be safe. He explained different programs the company offers also. I’m very happy.

K. MacCallum

First time customer, and am very pleased with the whole experience. The highlight was definitely with the technicians assigned to the job and their work – Tyree and Corey were clean, polite, well-informed, and very helpful with some of the questions I had along the way. Their work appears to be top-notch, and they made sure no mess was left behind. Will definitely be calling and requesting these two again on any future needs.

Michele

I’ve used Paul the Plumber twice now for electrical issues and they have been wonderful each time. They are fast, polite, knowledgeable, and very fairly priced. They explain everything well and answer my questions thoroughly and I feel safer now knowing what was causing my electrical issues and having it fixed! I will be using Paul the Plumber for all my household needs going forward

T. Minasian

These are the after photos of the Rinnai tankless water heater installation and vent to the outside. It was important to me that the crew was able to use the existing vent hole to the outside to run both the intake vent pipe and the outside vent pipe. It made the job very clean and did not change the appearance of the outside wall. A shout out to Mike E, Caleb, Josh & Corey

S. DesMarais

Josh was amazing. He was able to install my ring doorbells with no issues. He also did a great check of my homes smoke detectors and a few electrical plugs. He was thorough, Knowledgeable, and easy to work with. I would definitely use them again.

Nick Boudreux

Had a well pump that was shorting out and pretty much had no water. Adrian from this company not only got out next day but was great to work with. He was very friendly and knowledgeable I would definitely recommend this company to anyone that needs work done! Thanks again guys!

D. Marchand

I cannot say enough about this company!!! Their only concern is that you are up and running again with no worries. I’ve had Kyle the plumber, and Josh their electrician out here and both are polite, well trained and you can tell they truly care about getting you back in service. Great service, well trained caring staff! I will never go anywhere else!

K. Bernardo

We’re first time home owners and needed help with some plumbing and adding a filter system. They were able to get a technician scheduled to our house within a day or so of me contacting them. Mike was super helpful and was able to complete all the jobs in a timely manner, and also cleaned up the areas he was working in. Overall a great experience and would definitely use them for future jobs.

V. Vincze

We had an issue with our water…too hard, calcium deposits, and very little pressure in our master bathroom shower only. The techs (Mike E. & Tyler S.) arrived right on time. They were friendly and very personable. After installing our whole house filtration system and successfully finding the issue with our master bathroom, they left the work areas in pristine condition. They were meticulous in their work, and I highly recommend them for any plumbing needs!

D. Weaver

What a fantastic business. Helped us work with our water district in resolving meter replacement issues. They also fixed a pipe leak that had developed over time. Caleb was wonderful and answered our questions as well as working with the water district engineer on the meter issues. So easy to work with.

H. MacPherson

I would recommend Paul the Plumber 100%. They offered same/next day service. They were friendly, professional and quick – from the office staff to the technicians. Overall an amazing experience from start to finish.

S. Baraket

Never used Paul The plumber company before but I’m glad I did. Very courteous, professional and pleasant from the answering service (Diane) to employees (Jeremy). They diagnosed the problem and fixed it in no time. Very happy and satisfied with their service. Definitely will use again. Thank you

W. Chepren

I made an appointment on line the morning of July 31 and two trucks showed up at 1:00 pm right on time that same afternoon. Both guys were friendly and very knowledgeable. They quickly found the source of the wet patch on my ceiling which wasn’t the plumbing but a problem with the shower curtain. This is the second time I have called Paul. Both times I got outstanding service and will always call on Paul the Plumber for any plumbing problems in the future. Very reasonable cost for the visit.

J. Wojo

DJ from PTP was incredibly helpful and knowledgeable. My shower was not draining and it became a bigger project than I thought it would and they came out quickly and were able to fix my problem. Then when my water heater had a slow leak they came back out quickly to attend to it and fix my problem. I really appreciate their hard work. Thank you so much!! Would definitely recommend them.

M. Richdale

Thanks to Mike Vallee from Paul the Plumber for responding to this new customer’s call so quickly. He was courteous, thorough, explained the repair he was doing and left the work area spotless. I highly recommend Paul the Plumber (and Mike!) to anyone looking for a reliable plumbing company.

Serving southern NH, Seacoast, and greater Concord area

Paul The Plumber is proud to say that we’ve been providing high-quality service in plumbing, heating, air conditioning, and electrical for more than 22 years in Derry, NH, and the southern New Hampshire area.

Service Area List

service areas

Dover, NH