Your local plumbing experts in Derry, NH. From emergency response to full repiping, we handle it all.
From 24/7 emergency response to complete repiping, we handle every plumbing need for homes and businesses in Derry, NH.
Commercial plumbing needs are different from residential. Our plumbers understand backflow requirements, floor drain regulations, grease trap compliance, and the scheduling demands of active business operations.
Accurate gas leak detection before small leaks become emergencies. We test your entire gas system using professional detection equipment and pressure gauges, identify any leaks, and perform safe code-compliant repairs.
Expert water heater repair that restores your hot water fast. From faulty thermostats and pilot light issues to anode rod replacement and sediment flushing, we fix the problem at the source for lasting results.
A dripping faucet wastes hundreds of gallons per month. Our licensed plumbers diagnose and repair kitchen, bathroom, and utility faucets of all brands and types — stopping leaks and restoring smooth operation.
Professional toilet repair and installation. We diagnose running, leaking, rocking, and weak-flushing toilets and restore full performance with quality replacement parts. New installations handled the same way.
Trenchless sewer repair replaces damaged sewer lines without digging up your yard, driveway, or landscaping. We use pipe lining and pipe bursting methods to save time, money, and the mess of conventional excavation.
Water heater replacement with same-day or next-day installation in most areas. We remove your old unit, recommend the right size and model for your needs, and install your new water heater to code.
Slab leaks are hidden under your concrete foundation and can cause thousands in damage if left untreated. Our licensed plumbers locate and repair slab leaks quickly with minimal disruption to your home.
Professional tankless water heater installation including new setups and tank-to-tankless conversions. We handle sizing, venting, gas supply upgrades, and permitting for code-compliant installations throughout the country.
Professional drain cleaning using hydro-jetting and snaking to clear slow and clogged drains throughout your home. We remove grease, hair, roots, and mineral buildup — restoring full flow and preventing backups.
Find hidden leaks before they cause serious damage. Our leak detection specialists use thermal cameras and electronic listening devices to locate leaks behind walls, under slabs, and underground with precision.
Expert pipe repair for residential and commercial properties. We locate leaks and damage accurately, perform durable repairs, and pressure test the system to confirm everything holds before leaving.
When your boiler fails in winter, you need a plumber who understands hydronic systems. Our licensed technicians diagnose and repair all major boiler brands, restoring efficient heat to your home or building fast.
A failing sump pump during heavy rain can flood your basement in minutes. Our licensed plumbers respond quickly to repair or replace failed pumps, restore drainage, and protect your property from water damage.
When snaking is not enough, hydro jetting clears the pipe completely. Our professional jetters use pressurized water to blast away grease, scale, and root intrusion — restoring full pipe capacity for years.
High-definition sewer camera inspection for residential and commercial properties. Our plumbers document the condition of your sewer line and provide a copy of the footage with our professional assessment.
Expert water line repair using trenchless and conventional methods. We locate the break, recommend the most cost-effective repair approach, and restore your water service with minimal disruption to your property.
Annual backflow testing and prevention device installation for residential and commercial properties. Our certified testers verify your backflow preventer and handle compliance paperwork with your water authority.
Around-the-clock emergency plumbing for burst pipes, slab leaks, sewer backups, gas leaks, and water heater failures. Our licensed emergency plumbers respond fast to stop damage and restore your plumbing.
If your home suffers from frequent leaks, low pressure, or discolored water, repiping may be the solution. We replace your entire water supply system with modern pipe materials and restore full pressure and water quality.
Professional sump pump installation for new construction and pump replacements. We handle the pit setup, discharge line routing, electrical connections, and test the completed installation under load.
Garbage disposal repair, replacement, and installation for kitchen sinks. We fix jammed, leaking, and failed units — or install new disposals with proper P-trap and dishwasher connections.
Professional sewer line repair that diagnoses the actual problem before recommending solutions. Camera inspection shows us exactly what is wrong so we can perform the least invasive, most cost-effective repair.
Professional gas line repair performed by licensed plumbers who understand gas system safety. We find the leak, repair or replace the damaged section, and pressure test the line before restoring gas service.
Regular grease trap cleaning for restaurants and food service operations. We pump and scrape grease traps on schedule and handle compliance documentation for health department inspections.
Derry property owners know that New Hampshire weather and aging infrastructure can create plumbing problems at any time — frozen pipes in cold snaps, slab leaks from soil movement, or water heater failures with no warning. With 34,156 residents depending on reliable plumbing, Magnet Plumbing provides emergency services built to handle everything fast.
Rapid diagnosis, accurate repair, and a final pressure test are not optional in Derry — they are standard procedure on every Magnet Plumbing job. Our NH plumbers evaluate every situation with local conditions in mind, deploying the right tools and materials to achieve a lasting fix. That professional approach saves Derry homeowners time and money.
We are committed to delivering exceptional plumbing services that protect your property and your peace of mind.
Every plumber we send carries a valid state license and full liability insurance. You get peace of mind knowing the work is done legally and that your property is protected if anything goes wrong.
We use thermal imaging cameras, electronic moisture meters, and acoustic listening devices to find hidden leaks behind walls, under slabs, and underground — without tearing into your property unnecessarily.
Plumbing emergencies do not wait for business hours and neither do we. Our emergency crews are on call around the clock — burst pipes, gas leaks, and flooding get a fast response any time you call.
Every plumbing job starts with a free, no-obligation estimate. We inspect the problem, explain our findings in plain language, and give you a clear price before starting. No pressure, no surprises.
Our plumbers live and work in the communities they serve. They understand local water quality, regional pipe standards, and the specific plumbing challenges common to your area — giving you faster, better solutions.
Have questions about plumbing in Derry? We have answers.
Chemical drain cleaners can damage older pipes in Derry homes, especially PVC, brass, or aging galvanized plumbing. The caustic chemicals can eat through pipe walls over time and are hazardous if they splash on skin or eyes. A professional drain cleaning by Magnet Plumbing is safer, more effective, and prevents pipe damage — costing less in the long run.
Most Derry homeowners benefit from professional drain cleaning every 1 to 2 years as preventive maintenance. Homes with large families, frequent cooking, or older plumbing may need service more often. Tree roots, grease buildup, and hair are the most common causes of drain problems in Derry. Magnet Plumbing uses hydro-jetting and snaking to thoroughly clear all drain types.
Burst pipes, gas leaks, sewer backups, and flooding all require immediate emergency plumbing response in Derry. A burst pipe can release hundreds of gallons per hour, and gas leaks pose fire and explosion risks. Magnet Plumbing provides 24/7 emergency plumbing service throughout Derry and surrounding New Hampshire communities.
If you smell gas in your Derry home, do not operate any electrical switches, open flames, or appliances. Leave the building immediately, leaving doors open as you go. Call your gas utility from outside or from a neighbor, then call Magnet Plumbing for emergency gas line inspection. Do not re-enter until a professional has cleared the property.
To prevent frozen pipes in Derry, insulate exposed pipes in unheated areas like garages, crawl spaces, and attics. Keep cabinet doors under sinks open during cold snaps. Let faucets drip slightly during freezing temperatures. If a pipe does freeze, call Magnet Plumbing immediately rather than attempting to thaw it yourself to avoid a burst.
When hiring a plumber in Derry, always verify their NH license and insurance. A licensed plumber must pass state examinations and carry liability coverage that protects your property. Magnet Plumbing employs licensed, background-checked plumbers throughout New Hampshire — call (844) 618-0753 to schedule service or get a free estimate.
See what our customers have to say about their experience with Magnet Plumbing.
"Annual backflow testing done quickly and the paperwork was submitted to the city on our behalf. Totally hands-off for us. Super professional."
"Fixed a hidden leak behind the drywall without tearing apart the whole wall. Impressed with how precise they were and how quickly they found it."
"Saul at Magnet Plumbing has been my go-to plumber for a variety of projects, large and small. Leaks, installations, new lines, repairs, his team has done it all. Great communication, easy to work with and a total pro. Highly recommended!"
We also provide plumbing services in these neighboring communities.