Best Plumbers in Mercer County, NJ
Our picks for the best plumbers in Mercer County, NJ: 11 local businesses, with phone numbers, addresses and websites. Chosen by the NJ Business Directory team; sponsored listings are labeled.
Need a plumber in Mercer County? This guide covers plumbing, heating and related contractors based in Trenton, Hamilton, Princeton, Lawrence, Pennington, Windsor, West Windsor and East Windsor. Their work ranges from drain cleaning and water heaters to boilers, HVAC add-ons and emergency repairs.
This page is a few picks short of a full fifteen while we verify more local companies. Ask for a New Jersey plumbing license number and confirm services on each company's own site before you schedule.
Browse all plumbers or Mercer County listings on NJ Business Directory. Need a Trenton town page? See plumbers in Trenton when it updates.
Each listing is reviewed by a real person before it goes live. Run a plumbing business in Mercer County? Add it free or claim your existing listing, and see how our listing plans compare. Questions? Reach us through our contact page.
Sources: Towns and counties: U.S. Census geography. NJ Division of Consumer Affairs, Board of Examiners of Master Plumbers; Each pick: the business's own website (linked on its card).
Mc Mullen’s Plumbing-Drain Services
Plumbers
Trenton
McMullen's Plumbing-Drain Services is a plumbing, heating, sewer and drain company in Trenton, Mercer County. Services listed online include plumbing, drain cleaning, sewer cleaning, sump pumps, water heaters, faucets and fixtures, furnace certifications and bathroom remodeling. Emergency service contact numbers appear on the website for Trenton customers.
J.W. Warwick Plumbing & Heating
Plumbers
59 Wickom Ave, Hamilton
J.W. Warwick Plumbing & Heating is a plumbing and heating company in Hamilton, Mercer County. It handles emergency plumber repairs and heating services for Mercer County customers.
N.C. Jefferson Plumbing Heating & AC
Plumbers
29 Airpark Rd, Princeton
N.C. Jefferson Plumbing Heating & AC, Inc. is a plumbing, heating and air conditioning company in Princeton, Mercer County. Services listed online cover plumbing, heating and air conditioning, water heaters and sewer and water lines, with product partner pages as well. The company serves Princeton and nearby towns including Belle Mead and Hillsborough.
Delhagen Plumbing, Heating & A/C, LLC
Plumbers
2614 Whitehorse Hamilton Square Rd, Hamilton
Delhagen Plumbing, Heating & A/C, LLC is a plumbing, heating and air conditioning company in Hamilton, Mercer County.
JP Plumbing and Heating LLC
Plumbers
151 Gainsboro Rd, Lawrence Township
JP Plumbing and Heating LLC is a plumbing and heating company at 151 Gainsboro Road in Lawrence Township, Mercer County. Services include emergency plumbing, burst pipe repair, drain cleaning, oil-to-gas conversion, repiping and tankless and standard water heater installation.
Pelicano Plumbing
Plumbers
1589 Reed Rd, Pennington
Pelicano Plumbing is a plumbing company in Pennington, Mercer County. Services listed online include water heaters, boilers, sump pumps, boiler conversion repairs, leak detection, sewer cleaning, drain cleaning, water purification systems and commercial plumbing.
Rely Mechanical
Plumbers
76 NJ-31, Pennington
Rely Mechanical is a plumbing and HVAC contractor in Pennington, Mercer County, holding HVACR license 19HCOO289500 and plumber license 8344. Services listed online include air conditioning repair and parts work along with plumbing.
Parsons Plumbing &Heating
Plumbers
41 1/2 Witherspoon St, Princeton
Parsons Plumbing & Heating is a plumbing and heating company serving Princeton, Mercer County.
Tindall Ranson Plumbing Heating & AC
Plumbers
880 Alexander Rd, Windsor
Tindall & Ranson Plumbing Heating & AC is a plumbing, heating and cooling company in Windsor, Mercer County. Residential offerings listed online include Rheem heating and cooling, Bradford White and Rheem water heaters, humidifiers and air purifiers, plus residential and light commercial plumbing. Financing information is on the website.
TJ Plumbing and Heating
Plumbers
321 W State St #114, Trenton
TJ Plumbing and Heating is a plumbing and heating company with a Trenton, Mercer County, service page.
Redding’s Plumbing, Heating & Air Conditioning
Plumbers
759 State Rd #1, Princeton
Redding’s Plumbing, Heating & Air Conditioning is a family-owned company in Princeton, Mercer County, serving the area since 1920. Its plumbing work includes product installation and repair, water heaters, water service and sewer lines, alongside heating and air conditioning services.




