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Clog & Backup Plumbing Services on Long Island

Fast, reliable clearing of clogged drains, backed-up lines, and slow-flow issues for homes across Nassau and Suffolk County.

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When Your Drains Slow Down Or Back Up, You Need A Team That Knows How To Diagnose And Clear The Issue The Right Way.

Clogged drains and plumbing backups can bring your home or business to a halt. NJM Mechanical & Contracting provides fast, professional clog removal and drain clearing services designed to restore proper flow before damage spreads.

 

Whether it’s a blocked kitchen sink, a main sewer backup, or recurring slow drains, our licensed team uses advanced tools to diagnose and clear the issue safely and effectively.

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Grease, food buildup, and soap residue can cause slow or fully blocked drains. We clear lines safely and prevent future blockages.

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Hair, soap scum, and buildup often block sinks, tubs, and showers. We restore proper flow without harsh chemicals that damage pipes.

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We diagnose and repair leaking faucets, toilets, shower valves, supply lines, and appliance hookups. From slow drips to major fixture failures, we restore proper function and prevent water damage.

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Leaks at the tank, fittings, or internal components can lead to severe flooding. We identify the exact failure point and provide same-day repairs or replacements for both tank and tankless systems.

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Lint, debris, and detergent buildup can block basement and utility room drains. We safely flush and restore flow.

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Common in basements and garages, floor drains backing up often indicate a larger system issue. We find and clear the source.

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Outdoor drain clogs can cause flooding and yard pooling. We clear soil, leaves, and debris to restore proper drainage.

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If the same drain keeps clogging, we identify the underlying cause and perform long-term repairs rather than temporary fixes.

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Severe backups require fast action. Our team is available 24/7 for urgent drain clearing and sewer backup emergencies.

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Expert Plumbing Solutions Backed
by 
Over 33 Years of Experience

Why Long Island Homeowners Trust NJM for Clog & Backup Services

Fast, accurate blockage removal backed by licensed professionals and modern diagnostic equipment.

  • All clog removal and drain services are performed by licensed and insured professionals for safe, reliable results.

  • From snaking to hydro-jetting (if offered), we use modern tools to clear blockages without damaging your plumbing system.

  • For deep or recurring clogs, we use drain cameras to locate the exact issue — saving time, money, and guesswork.

  • We pride ourselves on fast response times, minimal disruption, and leaving your home clean when the job is done.

  • No surprises. We provide clear estimates before any work begins.

  • Serving homeowners across Nassau and Suffolk County with reliable, high-quality plumbing solutions.

Water Heater & Boiler Safety Testing

Assessment of temperature controls, pressure relief valves, gas/water connections, and venting to prevent hazards and improve efficiency.

Fixture & Appliance Safety Checks

Inspection of water heaters, boilers, valves, shut-offs, and plumbing fixtures to ensure proper operation and safe performance.

Leak Detection & Line Evaluation

We use advanced diagnostic tools to locate leaks, pressure issues, corrosion, and worn components before they evolve into major problems.

Emergency Shut-Off Valve Testing

Ensuring all plumbing shut-off valves function properly in the event of leaks or system failures.

Drain, Vent & Pipe System Assessment

A full review of your home’s plumbing infrastructure — drains, vents, supply lines, and connections — to ensure proper flow and system health.

Code Compliance Review

We verify that your plumbing system meets all Long Island, Nassau, and Suffolk County regulations — essential for renovations, additions, or property sales.

Trusted Plumbing Expertise for Long Island Homes & Businesses

Our Plumbing Safety & Inspection Services Include:

NJM provides advanced inspection, leak detection, and safety evaluations to keep your plumbing system running efficiently, safely, and fully compliant with local codes.

Proudly Serving Long Island and Surrounding Areas. 

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What Our Long Island Clients Are Saying...

Kris

I couldn’t recommend Neil enough! From start to finish him and his team were professional, efficient and experienced. We had a job pulling up rocks and putting top soil down which I know can be a tedious job. We appreciate the work and look

Evelyn Powers

We had an ongoing issue with clogs. My daughter woke up to flooding in her bedroom from her toilet, which was not fun! This was our first time having NJM in our home. Neil was knowledgeable and gave us several options. we chose to have him use the camera to get to the root of the problem. He was able to pinpoint several issues and was able to fix clog and clean out the pipes. Neil and his crew were very professional,

Irene Cheung

I contacted NJM Mechanical because I didn’t have hot water anywhere in my house. Neil was able to diagnose the issue and get to work. My navien tankless water heater is only a year old and still under warranty. Instead of waiting on Navien to send the part so the issue can be corrected, Neil went out, found the part, purchased it,

William Lo

Great experience. Neil came out and took the time to explain everything thoroughly. He was able to fix all the errors on our Navien and have it back up and running. Following up a week later. Neil and Mike came out to redo the Navien system for proper instillation.
Unfortunatley, after there was a gas leak with our Navien system. Neil was able to get

James Farnworth

Neil from NJM was able to get my ac system up and running when others could not. He was honest with me right from the beginning and all costs were discussed before repairs began. Additionally, Neil spent time explaining to me how my system operates and the things I could do to help it run at peak performance. It was quite refreshing to experience a service technician who demonstrated the uppermost

Raul Chardon

Honest professional full of knowledge not BS. Takes pride in his craft and is a master of it.

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