Commercial Plumber in Jersey City
Licensed Commercial Plumbing for New Construction & Existing Properties
Since 1921, William J. Guarini Inc. has been Jersey City’s commercial plumber for projects of every scale, from new construction buildouts to ongoing facility maintenance. We’re fully licensed and insured, meeting current industry standards and New Jersey regulations so your project starts on solid ground.
What distinguishes us for commercial clients is the scope of what we bring to a single contract. Plumbing, heating, and mechanical work handled by one team means you’re not coordinating between three contractors when a boiler connection and a drain line are part of the same job.
Ready to get started? Call us at (201) 754-1095 for a free estimate on your commercial plumbing project.
Our technicians undergo continuous training to stay current with code changes, new materials, and evolving industry standards. When you need weekend availability or are enrolled in our emergency services list for 24/7 on-call support, that coverage comes from the same team doing the work.
Why Choose William J. Guarini Inc.?
Serving Jersey City, NJ Since 1921
-
Quality Material & Craftmanship For All Services
-
24 Hour Emergency Services Available
-
Over 50 Years of Experience & Solutions
-
Your One-Stop Shop for All Your Home Needs
Hear From Our Happy Customers
At William J. Guarini Inc., your satisfaction is our priority! See for yourself what our customers have to say about working with us.
-
“I am immensely grateful for all the people that have worked in my house.”- Julie H.
-
“I was extremely impressed by their professionalism and care throughout the entire process.”- Joseph C.
-
“Their professionalism, expertise and dedication to quality work made my decision to hire them a success.”- Jahida M.
-
“Provided a more detailed estimate, and he was incredibly thorough.”- Cindi M.
-
“They are professional, licensed and Insured.”- Salvatore B.
-
“Shout out to Guarini Plumbing for the outstanding service I received today!”- Susan M.
-
“These guys were professional and they worked together as a team and did an excellent job.”- Barry W.
-
“Fred and T.J. were done in about 2 hours time, leaving the bathroom clean and usable.”- Jay D.
Commercial Plumbing Services in Jersey City
Our core commercial plumbing services cover the systems Jersey City businesses depend on daily. Whether you’re opening a new facility or keeping an existing one running, we handle the full range.
- Backflow Prevention & Testing: We install and test backflow prevention devices to protect your potable water supply and help keep your property in compliance.
- Grease Trap Installation & Maintenance: Commercial kitchens need properly sized grease traps to keep fats and oils out of sewer lines. We install and service them to maintain kitchen plumbing efficiency.
- Gas Piping: Our team is trained to safely install and maintain gas piping for commercial properties, meeting all applicable codes.
- Water Heater Service: We install, repair, and maintain all types of water heaters for commercial use, including high-demand commercial units.
- Sewer & Drain Cleaning: We clear clogs and restore free-flowing systems using high-pressure water jetting for sewer lines and drains.
Mechanical Piping & Commercial Capabilities
Beyond standard plumbing, our mechanical piping capabilities make us a resource for commercial, industrial, and municipal clients with more complex infrastructure needs.
- Process & Utility Piping: We install piping systems that support essential processes and utilities across a range of commercial and industrial applications.
- HVAC Piping: We handle heating, ventilation, and air conditioning piping in all commercial and industrial settings.
- Boiler & Chiller Installation: We install and maintain boilers and chillers for commercial and industrial properties.
- Medical Gas Piping: We install medical gas piping systems designed for medical facilities.
- Public Works Projects: As a contractor classified by the New Jersey Division of Property Management and Construction (DPMC), we’re qualified to deliver plumbing and mechanical work for public and private projects alike, meeting the documentation, bonding, and compliance requirements those jobs demand.
