Boiler & Furnace Work
Installation, replacement and repair of gas, oil and high-efficiency heating, sited with the basement in mind.
NJM Mechanical & Contracting
Plumbing, Heating & Cooling In Lindenhurst
Lindenhurst is an incorporated village, so permits run through the Village rather than the Town — a detail that catches out contractors from further afield. Much of the south end also sits in the flood zone, which shapes how mechanical equipment should be installed.
VILLAGE PERMITSFLOOD ZONE AWARE24/7 EMERGENCYLICENSED
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Master Plumber
TASK 86/87 Certified
Navien NSS Certified
22+ YEARS ON LONG ISLANDGet Your Free Estimate
LICENSED & INSURED · NASSAU & SUFFOLK
PLUMBING · HEATING · COOLING · CONTRACTING
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631-587-0085WE ANSWER EVERY CALLLindenhurst
Plumbing, Heating & Cooling In Lindenhurst
Lindenhurst is an incorporated village of around twenty-seven thousand people, which means building permits go through the Village building department rather than the Town of Babylon. We are a few minutes north and handle village permitting as part of the job.
The other thing that shapes mechanical work here is water. The south end of Lindenhurst sits low, and a good number of homes carry flood-zone considerations that affect where equipment should be installed and how it should be protected. Boilers, water heaters and electrical connections put at floor level in a basement that has flooded once will flood again.
24/7 Emergency ServiceLicensed & Insured
Master PlumberLicensed to pull permits
TASK 86/87Certified for gas work
Navien NSSFactory-trained on tankless
22+ years on Long Island · Plumbing, heating, cooling, gas and contracting under one roof
Before you call
Two kinds of visit. You’ll know which before we come.
We don’t charge to quote a job. We do charge to find a problem nobody has identified yet. Which one you need — and what it costs — gets agreed on the phone, so nothing about the cost is a surprise on the doorstep.
The rate you are told is the rate
You get the number on the phone, before anyone is dispatched, and it is what you are charged when the technician arrives. One rate across all four trades — plumbing, heating, cooling and gas.
What it pays for
A licensed, insured technician carrying the certifications the work needs, and the time to find what has actually failed — not a quick look and a guess.
Watch for the bait and switch
A call-out advertised at almost nothing gets recovered once someone is standing in your basement. Get the number before anyone travels — from us, or from anyone else you call — and hold them to it when they arrive.
Financing on larger jobs
A boiler that fails in January is not a purchase anyone planned. Financing is available on the big-ticket work, so a system replacement does not have to come out of savings in one go.
What it is normally used for
Boiler, furnace and water heater replacement, a full air conditioning system, a whole-house repipe, sewer and water main work, and larger contracting jobs — kitchens, bathrooms, dormers and extensions.
When to bring it up
At the estimate, before anything is scheduled. It is worth asking even if you think you will not need it, because knowing it is there changes what you are willing to consider fixing properly.
What it does not change
The price of the job. The quote is the quote whether you finance it or not — and on a straightforward repair it is usually not worth the paperwork. We will tell you which one you are looking at.
Call 631-587-0085Not sure which one you need? Call and describe it — we will tell you before we book anything.
Worth Knowing
Mechanical Equipment In A Flood Zone
If your basement has taken water before, where the equipment sits matters more than what brand it is. Elevating a boiler or water heater above the expected flood level, or relocating it entirely, is usually far cheaper than replacing it after the next storm — and it is the kind of detail a contractor unfamiliar with the south shore does not think to raise.
It is worth asking the same question about gas connections, electrical whips and condensate pumps. These are the components that fail first when water gets in, and they are inexpensive to site properly at installation time compared with the cost of doing it again afterwards.
Quick Rules Of Thumb
- Elevating equipment at install time costs a fraction of replacing it after a flood
- Gas connections and electrical whips are what fail first when water gets in
- Village permits run through Lindenhurst, not the Town of Babylon
- A basement that has flooded once is a basement that will flood again
What We Do Here
Services In Lindenhurst
Water Heaters
Tankless, gas and electric. Tankless units mount on the wall, which is worth considering in a basement with a history.
Air Conditioning
Central air and ductless mini-splits installed and repaired, with outdoor equipment sited sensibly for a low-lying property.
Gas Lines & Inspections
TASK 86/87 certified gas work, including inspections and code compliance for the village.
Drain Clogs & Backups
Blocked drains and sewer backups cleared for homes and businesses, with 24/7 response.
Renovations
Kitchens, bathrooms and additions with the plumbing, gas and HVAC handled by the same licensed team.
Village Permits Handled
Lindenhurst permits through the Village building department. We apply and see the inspection through rather than handing you a form.
Equipment Elevation & Relocation
If your basement has a flood history, ask us about siting the equipment above the expected level or relocating it. It costs little at installation and a great deal afterwards.
Current Offers
Money Off, Plainly Stated
What it says on the coupon is what comes off the bill. Mention it when you call.
Common Questions
Frequently Asked Questions
Who issues building permits in Lindenhurst?
Lindenhurst is an incorporated village, so permits go through the Village building department rather than the Town of Babylon. We file the application and see the inspection through as part of the job rather than handing you a form.
My basement has flooded before. Where should the boiler go?
Above the level the water reached, or out of the basement entirely if the layout allows. Elevating a boiler or water heater at installation costs a fraction of replacing it after the next storm. The same goes for gas connections, electrical whips and condensate pumps — those are what fail first when water gets in.
Is a tankless water heater a good idea in a flood-prone basement?
Often, yes — tankless units mount on the wall rather than standing on the floor, which puts them above shallow flooding by default. They are not automatically the right answer for every house, but in a basement with a history it is worth discussing. We are Navien NSS certified, so tankless installs are commissioned to spec.
How quickly can you reach Lindenhurst?
We are at 31 Magro Drive in North Babylon, a few minutes north. For emergency calls that is close. We answer 24 hours a day, every day of the year — 631-587-0085.
Do you work on both homes and businesses in Lindenhurst?
Both. Homes across the village, and the shops and restaurants along the commercial streets. Commercial jobs get the same licensed crew and response times.
Are estimates free?
Yes, free and with no obligation. Call 631-587-0085, or use the form on this page and we will be in touch within 24 hours.
Service Area
Proudly Serving Long Island and Surrounding Areas.
Based in North Babylon, working across both counties — close enough to get there fast, local enough to know the housing stock and the permit offices.
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Towns We Serve
Proudly serving all of Nassau and Suffolk County, with deep local roots near our North Babylon home base.
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Reviews From Homes & Businesses We've Served
5 out of 5 stars
The experience I had with with NJM Mechanical & Contracting was a pleasant one. I had the pleasure of doing business with Neil. The work I had done was a basement entrance to my yard and it came out wonderful. The work performed as well as the communication is 10/10.
Nick UrziaJune 2026
5 out of 5 stars
Neil has handled all my A/C needs over the years. He's very communicative and open about service charges. He never steers you wrong
Jim JacksonMay 2026
5 out of 5 stars
As always, Neil is a pleasure to have as my plumber. He is so professional and knowledgeable. I wouldn't use anyone else! I highly, highly recommend him.
Fritzi R.May 2026
Need A Licensed Plumber In Lindenhurst?
Free estimates with no obligation, 24/7 emergency response, and 22+ years serving homes and businesses across Nassau and Suffolk County.