A Residential and Light Commercial Plumbing Contractor Serving the Princeton Area

SG Heating & Air Conditioning’s subsidiary, SG Plumbing LLP, offers complete repairs and installations of plumbing products. We perform emergency water heater replacements, provide sewer and drain cleaning services, repair faucets and toilets, and more! Our technicians are qualified to assist you with your plumbing needs and have experience working with most major plumbing brands.

We offer the latest plumbing products on the market, including energy-saving models like Rinnai tankless water heaters and Kohler or TOTO water-saving toilets, that help you go green while cutting back on your utility bills. Discuss your needs with one of our experts today by calling 609-448-1273.

We’re a Residential Plumber

Your home is your castle, but plumbing emergencies are a hassle! Leaks, clogs, and other plumbing mishaps can bring your routine to a screeching halt and pose a major inconvenience to you and your family. Sometimes, they can also be expensive if not fixed quickly – a burst pipe, for example, wastes water every second, driving up your utility bill and potentially doing more damage to your home in the process! In addition to repairs, we also perform residential plumbing installations, whether that means putting in a new system or replacing an old one.

We’re Also a Light Commercial Plumber

Plumbing problems on your commercial property can spell disaster for your business. Leaks, clogs, and other issues can make life miserable for your employees and can create a negative impression on visitors and customers – and that can cost you money!

Whether you need an emergency repair for a clogged drain or a new water heater installation for your business or commercial space, we’re here to help.

Our portfolio of previous commercial plumbing jobs includes:

  • Office buildings
  • Restaurants
  • Salons
  • Warehouses
  • Municipal buildings
  • Houses of worship
  • And more!

Our service area includes (but is not limited to):

Burlington County, NJ
  • Bordentown
  • Chesterfield
  • Columbus
  • Georgetown
  • Mansfield
  • North Hanover

Monmouth County, NJ
  • Allentown
  • Cream Ridge
  • Millstone Township
  • Roosevelt

Middlesex County, NJ
  • Cranbury
  • Monroe Township
  • Plainsboro

Mercer County, NJ
  • Ewing
  • Hamilton
  • Hightstown
  • Hopewell
  • Lawrence Township / Lawrenceville
  • Mercerville
  • Pennington
  • Princeton
  • Princeton Junction
  • Robbinsville Township
  • Titusville
  • Windsor (East Windsor, West Windsor)

Somerset County, NJ
  • Rocky Hill
  • Skillman

Bucks County, PA
  • Fairless Hills
  • Langhorne
  • Levittown
  • Morrisville
  • Newtown
  • Washington Crossing
  • Yardley

If your home or commercial space needs a piece of plumbing equipment repaired or installed, selecting the right plumber to handle the task is a decision that should not be taken lightly. Settling for second-rate work will only cost you more money and inconvenience in the long run, so make sure the job gets done right the first time. We’re a company you can trust to do just that, so that the plumbing at your residential or commercial property will be just as good as new, if not better than ever!

Team Green!® Can Make Your Home or Business More Energy Efficient!

From Rinnai tankless water heaters to Kohler and TOTO water-saving toilets, many of the plumbing products we install are a win-win for your home or business and for the environment. By using less water, you’ll lower your utility costs, while also helping conserve energy, water, and other precious resources.

We have the experience and know-how to install the best and most energy-efficient equipment and fix even the toughest of leaks, clogs, and other plumbing problems:


Showers are one of the most important things in your bathroom. Whether it’s a clogged shower drain, a leaky shower head, or anything in between, we’ll take care of it.


Just as you expect a light to come on when you flip a light-switch, you probably take for granted that when you turn on a faucet you’ll get water and that the water will stop when you turn off the faucet. If this isn’t happening, and your faucet is leaking or having some other issue, we can help.


Whether it’s a simple repair such as fixing a leak or something more involved such as a total replacement, we can fix those pipes!

Sewer and Drain Cleaning

Sewage backups can be among the most serious plumbing issues because they can affect all of the building’s drains and plumbing-related appliances. This is no DIY repair job, so turn to the experts!

Tank-Type Water Heaters and Tankless Water Heaters

Water heater leaking? Want to switch from a gas- or electric-fueled tank-type water heater to a tankless system? Leave it to us!


If one of the bathrooms in your home or commercial property is out of order, it’s a nuisance you want resolved as quickly as possible. Our repairs and drain cleaning services can get your bathroom back in business. We also install Kohler or TOTO water-saving toilets, which can lower your water bills and make your home or business more environmentally friendly.

Sump Pumps

Flooding can wreak expensive damage on your property. If you need a sump pump installed or repaired so you’ll be ready when the next big storm hits, we’re the company to call.

Garbage Disposals

Garbage disposals in your commercial space or home kitchen make disposing of food scraps a breeze – until they stop working. If your garbage disposal is jammed, clogged, or not performing like its old self, or you’ve decided it’s time to have a new one installed, give us a call.

Water Softeners and Filtration Systems

Filtration systems aren’t one-size-fits-all. Based on testing a sample of your tap water, we can help you determine the level of filtration your home or business needs. This consultative approach to selling helps you make an informed decision.

For plumbing repairs, installations, and replacements from a company you can trust, call us at 609-448-1273 or fill out our contact form.

See also:

Our SELF HELP TIPS page, where you can find more information on things you can do in a plumbing emergency

Our Heating and Cooling page, where you can learn about our HVAC services

Our Current Promotions page, where you can learn about discounts on Plumbing and other services

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