PLUMBING PROJECT GALLERY
Explore real NJM installations, repairs, and upgrades across Long Island — organized by service type so you can see the quality of our work up close.
Our Story in Numbers
At NJM Mechanical & Contracting, we take pride in the craftsmanship behind every plumbing project. Browse our completed work below, grouped by service category, to get a clear sense of the detail and professionalism that goes into each job. From full system installations to water heater replacements, you’ll find examples of the work we deliver for homeowners and businesses across Long Island, Nassau County, and Suffolk County.
1000+
Plumbing Jobs Completed
From residential repairs to full system installations, our team has successfully completed tens of thousands of plumbing projects across Long Island.
+18%
Faster Turnaround Times
Our scheduling, tools, and experience allow us to complete most projects quicker than industry averages.
1.6M+
Feet of Pipe Installed
From full-home repiping to appliance hookups, our work spans well over a million feet of safe, code-compliant piping.
24/7
Emergency Response Availability
Day or night, our licensed technicians are on call when homeowners need immediate plumbing help.
Plumbing Installation & Replacements
View project photos showing plumbing installations and system replacements for residential and commercial properties, including new fixtures, piping, and full system upgrades at every stage of the process.
Plumbing Leak Detection & Repair Service
Browse real leak detection and repair projects for homes and businesses, showcasing how we identify and resolve hidden water leaks from start to finish.
Gas Line Work
View gas line repair and installation projects for residential and commercial properties across Long Island, completed by our TASK 86/87–certified team.
Plumbing Fixtures
View plumbing fixture installations and upgrades for residential and commercial properties across Long Island, including sinks, faucets, toilets, showers, and more.
Commercial Plumbing
Browse a range of commercial plumbing work for businesses and large facilities, including fixture installations, repairs, upgrades, and utility connections throughout different project stages.
Water Treatment & Filtration
View water treatment and filtration system installations for residential and commercial clients, including whole-home filtration, softeners, and purification systems across various phases of installation.