Comprehensive Sewer Services with Modern Tools and Trusted Expertise

Sewer problems can be messy, disruptive, and potentially hazardous.

Princeton Air offers full-service sewer line diagnostics and repair to restore system performance and protect your property. We serve homeowners across Hamilton Township, Edison, and the surrounding communities. Accurate detection saves time, prevents property damage, and reduces long-term repair costs.

We use modern tools and trenchless techniques where possible to minimize disruption to your yard and home. Whether you’re managing an emergency or planning preventative maintenance, Princeton Air’s sewer services are designed with reliable service, honest communication, and professional results.

Years in Business

Skilled employees

Emergency Service

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Decades of Sewer Work in New Jersey Homes

Sewer lines are one of the least visible parts of a home’s plumbing, and one of the most consequential when something goes wrong.

Princeton Air has worked on New Jersey sewer lines for generations, from the clay and cast iron still running under older homes in Princeton and New Brunswick to the PVC systems installed in newer construction throughout the region. That range of experience matters because sewer work isn’t one-size-fits-all. The right diagnosis on an 80-year-old line uses different tools and different expertise than a 15-year-old one.

We bring the right equipment, the right diagnostic approach, and honest recommendations to every sewer call. Whether the problem is a single clog or a line that’s reached the end of its service life, we help you understand what’s actually happening and what your options are.

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What to Expect When You Call Us About a Sewer Problem

Sewer trouble is stressful, and it helps to know what happens next.

Our process is designed to get answers quickly and keep the work as contained as possible.

Call Princeton Air or schedule online, and we’ll get the details that help us arrive prepared. For active backups or flooding, we move emergency sewer calls ahead of routine work.

A licensed plumber arrives, locates the cleanout access, and runs whatever diagnostic fits the situation, whether that’s a visual inspection, a camera run, or a pressure test. You see what we see, and we explain what it means in plain language.

Before any work starts, you get a clear scope and a real number. We complete the work, verify the line is flowing correctly afterward, and leave the site as clean as possible given what the job required.

What Our Customers Are Saying

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4.7
Based on 6655 reviews
Lexie Livesey
24 hours ago
Ryan spent plenty of time explaining different problems and solutions, so I had a good grasp of what the process was going to look like. Also I appreciate that I was able to receive same day service that was honest and appropriate.
Emad Mohamed
2 days ago
Excellent service today! The AC maintenance was done professionally and thoroughly at my home in Princeton. Neim is a great person very professional, helpful, and knowledgeable. He made sure everything was working properly and provided excellent service. Highly recommended!
Jen W.
2 days ago
Ryan was a great tech. He was courteous, clean, and thoroughly explained our system after he as done. Iโ€™d highly recommend him.
Monica Mazurek
2 days ago
Excellent experience . My entire home was without heat. The technician was able to locate and pick up the needed parts. At the end of the day both heating were repaired. Heat restored.
PrincetonAir did a great job fixing my HVAC system after a leak was detected in a condenser coil. Jorge was punctual, extremely clean and explained everything they needed to do. Latrell also went above and beyond in completing the initial leak detection. Both gentlemen were excellent to work with.
Dong L and Jeff w were wonderful!! Excellent!! Expertise and friendly people!
Deepti Naware
4 days ago
Dominic and Johnny ran diagnostics on our AC system which was malfunctioning. They were thorough in explaining the dos and donts of operating the AC and performed all the checks that could potentially impact the unit. Very happy with their service .
Paul
5 days ago
Great job. Very pleased all around.
Alicia Flath
5 days ago
always very professional
Bruce Williams
5 days ago
I have been communicating with Adam C. for about 3 years and throughout these years he has been a true professional. He takes his time to answer all of the questions in a very timely manner. As a military veteran, I truly respect the direct and timely responses. The installation team (John J. and crew) arrived on time and were very professional, They walked me through the process and explained details after the install. I would recommend Princeton Air.
Judy Hawver
6 days ago
Ryan G was great. Got our Central air working again and was so informative. Also, a really nice guy.
Alpi Sinha
6 days ago
I received various options regarding a replacement of the heating system
Marty Maa
6 days ago
Cory was here for almost two hours and performed many tasks including pulling down the attic ladder and checked electrical circuit inside and outside the AC system. He is patient and professional. I like his approach and explanation to further improve the system.
John Cline
1 week ago
They are always so helpful and smart about what they do. Theyโ€™re the best!
david wells
1 week ago
I have always been completly satisfied with each service tech; however the service from Ryan G. was the best and most informative ever. You should be proud to have such a valuable asset on your team.
George Tutek
1 week ago
Anthony, the tech that came out, was excellent.
Ramana Reddy
1 week ago
We had our annual HVAC preventive maintenance visit this week from Princeton Air, and I must say it was an excellent experience. Our technician did a fantastic job. He was very professional, knowledgeable, and honest. He performed a very thorough health check of our system including: – Inspection of air filter quality and air blower condition – Complete inspection of the outdoor compressor unit – Checked for any refrigerant leakages and verified refrigerant levels – Inspection of the control panel including capacitor functionality test – Thorough cleaning of the panel He also gave us valuable advice on installing a Power Surge Protector and a UV Air Filter for better power protection and improved air quality. I have been a loyal customer of Princeton Air- they previously replaced my 25-year-old HVAC system and Tankless Water Heater with excellent quality work. Their service has always been top-notch. I highly recommend Princeton Air and Mr. Latrell Romulus for all your heating and AC needs. Thank you! Ramanareddy Devulapalli
Had both my original home furnace units replaced after 15 years. Dong Lin was the lead technician and was professional, courteous and knowledgeable. He and his team did an excellent job removing the old units and installing the new units. And followed it up with an explanation on the unit and walking us through filter maintenance of our specific unit. Iโ€™ve use Princeton Air for my HVAC maintenance as well as for 15 years and they have always done a good job and even at times where things were not right the first time out they would promptly come back and make the appropriate adjustments.
Lisa Cohan
1 week ago
Pricey, but good. Since my last electrician didnโ€™t show up for the appointment, I decided to go with a company. Anthony is the electrician they sent, and he is whom I will be requesting going forward.
Evan Hock
1 week ago
Booking was easy. My technician was friendly and quickly resolved the issues with my A/C unit.
Ronda Siegel
1 week ago
Ryan pinpointed issues during HVAC repairs. He is also very professional and honest.
Francois Doura
2 weeks ago
Dong Lin was very knowledgeable, experienced, full of energy, friendly and very neat. It is with great pleasure that I give him a five star rating for a well done job.
Matthew McKeown
2 weeks ago
I scheduled a maintenance call for my HVAC unit. Alberto was the technician who came. He did a great job explaining the issues with the unit given it is 10 years old and offered recommendations to keep it in good shape.
Mona Kay Rifi
2 weeks ago
Princeton Air went above and beyond fixing my broken dehumidifier. Their technician spent a lot of time troubleshooting the issue and even got on the phone with the manufacturerโ€™s technical support to get to the bottom of it. Once they determined it was a warranty issue, they took the extra step of hauling away the old unit, picking up a replacement, and installing it themselves โ€” no extra hassle on my end. Itโ€™s working perfectly now. Great service and real dedication to getting the job done right. Highly recommend!
Jim Walters
2 weeks ago
The technician Alberto was amazing and very informative, professional and knowledgeable. Princeton Air never disappoints with the quality of technicians they hire.

Sewer Inspections

A sewer inspection is how homeowners find out what’s actually happening underground before it becomes an emergency.

Most sewer problems develop slowly, which means most of them can be caught and addressed before they turn into backups or line breaks. Sewer inspections are a common part of home purchases, a smart move on older homes, and a useful answer to recurring drain problems that keep coming back.

Before closing on a home, a sewer inspection tells you whether you’re buying into a line that’s going to need significant work soon. Our plumbers run the inspection, document what we find, and give you a clear report you can factor into the purchase decision.

When drains keep clogging even after repeated clearings, the real problem usually lives further down the line. A sewer inspection finds the actual cause, whether that’s a partial obstruction, a belly in the line, or a structural issue that needs attention.

After sewer line repairs, a follow-up inspection confirms the work corrected the problem and identifies anything else developing nearby. This is the step that separates a repair that holds from one that fails a year later.

Tree roots growing into sewer joints are the single most common cause of sewer problems in older New Jersey neighborhoods. Mature tree coverage in Montclair, Westfield, and similar older communities makes root intrusion a regular concern. Inspections specifically targeting root intrusion show exactly where roots have entered the line and how much of the pipe they’ve compromised.

Homes with clay or cast iron sewer lines benefit from regular inspection even without active symptoms. Properties in Morristown and other historic neighborhoods often have original lines that have been in service for decades, and small issues caught during a yearly check stay small. Issues ignored until symptoms appear are usually much larger by then.

(609) 799-3434

Camera Sewer Inspections

A camera sewer inspection is the most precise diagnostic tool available for underground plumbing work.

A small, high-resolution camera runs through the sewer line on a flexible cable, sending video back to a screen where the plumber and the homeowner can see exactly what’s happening inside the pipe. For a lot of sewer problems, that video is the difference between guessing and knowing.

Camera inspection shows the blockage, how far down the line it sits, and what it’s made of. That information changes the approach. A grease plug gets cleared differently from tree roots, and neither gets treated like a collapsed section of pipe.

Hairline cracks, offset joints, and partial collapses are invisible from the surface but clearly visible on camera. Catching structural problems early often means a targeted repair instead of a full line replacement later.

On older properties where the original sewer layout has been lost, camera inspection paired with a locator tool traces the actual path and depth of the line. This is especially useful on older homes in Mount Laurel and similar communities where record-keeping from the original construction may be incomplete. That information is essential before any excavation work begins.

A camera inspection report with video provides verifiable documentation of a sewer line’s condition. For home sales across Princeton and other active real estate markets, inspection documentation is increasingly part of standard due diligence, and it’s equally valuable during insurance claims or disputes with municipal authorities.

A camera runs through an existing cleanout or drain access point, which means most sewer inspections happen without any digging at all. The only disturbance is to your schedule for the time we’re on-site.


(609) 799-3434

Sewer Line Repair

Most sewer line problems can be fixed without replacing the entire line, and repair is almost always the less disruptive choice when it’s the right one.

Our plumbers diagnose the specific problem, explain the repair options, and walk through what each approach involves before work begins. Where trenchless techniques apply, we use them to keep excavation work to a minimum.

A cracked section of pipe, a broken joint, or a collapsed area isolated to one stretch of line usually doesn’t require replacing the full run. Spot repair addresses the specific problem and leaves the rest of the line in service.

When roots have grown into the line, we clear them mechanically and, where appropriate, install a root barrier or apply a chemical treatment to slow regrowth. Chronic root intrusion is a familiar problem in established neighborhoods across Hopewell and surrounding areas with mature tree cover. For lines with recurring root problems, this approach is often a long-term alternative to full replacement.

Cured-in-place pipe lining creates a new, joint-free pipe inside the existing line without excavation. For properties with finished landscaping or limited yard access, especially in denser areas like New Brunswick, trenchless lining protects the property while restoring the line. It extends service life significantly on lines with multiple small problems or surface damage that hasn’t reached the point of requiring replacement.

The connection between your home’s plumbing and the main sewer line is a common failure point. Our plumbers repair leaks at the lateral, whether the problem is a deteriorated joint, a failed seal, or damage from settling.

Functional cleanout access is how future sewer work stays quick and clean. Where a home doesn’t have a cleanout, or where the existing one has failed, we add or repair the cleanout so future service calls don’t require excavation.


Sewer Line Replacement

Sometimes the right answer isn’t repair. Sewer line replacement is the permanent fix when a line has deteriorated past the point of reliable repair.

Our plumbers help homeowners understand when replacement is actually the better value, what the project involves, and what techniques minimize the impact on your property. Trenchless replacement, where applicable, gets a new line in place without tearing up your yard.

Clay and cast iron sewer lines have service lives measured in decades, and eventually those decades run out. On older properties across Trenton and the surrounding region, original lines that have been in the ground since the mid-twentieth century are finally reaching that point. When a line has reached that point, continued repairs become a losing proposition. Full replacement with modern materials restores reliability for another generation.

Pipe bursting is a trenchless replacement technique that pulls a new pipe through the path of the old one while simultaneously breaking up and displacing the old pipe. For straight runs without complex routing, it’s often the fastest, least disruptive way to replace a line completely.

Some replacements still require opening a trench, particularly where the line has significant depth, complex routing, or conditions that rule out trenchless methods. When excavation is necessary, our plumbers handle the permitting and the dig itself with care for your property.

Modern sewer lines use PVC, HDPE, or cast iron depending on the application and local code requirements. We explain the options and recommend the material that fits your situation, accounting for soil conditions, depth, and expected service life.

Sewer line replacement connects to municipal infrastructure at the property line or the street. Each New Jersey township has its own permit process and inspection requirements, from Toms River out through Mount Laurel and beyond. We coordinate with the local utility, handle the permits, and ensure the connection meets the requirements that allow the new line to be inspected and approved.

(609) 799-3434


(609) 799-3434

Why Homeowners Call Princeton Air for Sewer Work

Sewer work that starts with excavation before diagnosis often means unnecessary damage to your yard. We run cameras, locators, and other diagnostic tools first, so when we do open ground, we know exactly where and why.

Not every sewer job needs a trench across your lawn. Where trenchless pipe lining or pipe bursting is the right fit for the problem, we use those techniques and save the excavation work for cases that actually require it.

A 100-year-old clay sewer line in a Princeton neighborhood presents very different problems from a 20-year-old PVC line in a newer development. We’ve worked on both, and everything in between, for long enough to know what the right answer usually is before we show up.

A sewer backing up into the house isn’t a problem that waits. Our emergency team responds to active sewer emergencies nights, weekends, and holidays across Monroe Township and the surrounding service area, because the damage compounds by the hour.

Some sewer lines can be repaired for another ten years of service. Some need replacement now. We explain which situation you’re in and why, give you the real math, and let you make the call without pressure either way.

Sewer work involves permits and coordination with municipal utilities in most New Jersey townships. We handle that side of the job so you don’t have to, including inspections and sign-offs that close out the project properly.


Need Reliable Sewer Service? We’re Here to Help

Call Princeton Air today to schedule a consultation or request a free estimate for sewer services in New Jersey.

Whether you’re dealing with an active backup, planning a pre-purchase inspection, or weighing repair against replacement on an aging line, our licensed plumbers are ready to help. Trust Princeton Air to keep your sewer system flowing smoothly, with honest diagnostics, trenchless techniques where they apply, and the kind of careful work your property deserves.

Princeton Air Technician


FAQs About Sewer Services

How do I know if my sewer line has a problem?

Common signs include multiple drains backing up simultaneously, gurgling sounds from toilets when other fixtures are used, sewage odors inside or outside the home, slow drainage that affects the whole house rather than one fixture, and wet or unusually lush patches in the yard above the sewer line. Any of these is worth investigating before it becomes an emergency.

Do I need a sewer inspection before buying a home?

A sewer inspection is one of the most valuable pre-purchase inspections available, especially on older homes. Standard home inspections typically don’t include the sewer line, which means major problems can remain undiscovered until after closing. A camera inspection adds a few hundred dollars to your due diligence and can prevent tens of thousands in surprise repairs.

What is trenchless sewer repair, and is it always an option?

Trenchless techniques, including pipe lining and pipe bursting, repair or replace sewer lines without digging a trench across your property. They work well for many sewer problems but not all. Complex routing, severe collapses, or certain soil conditions may require traditional excavation. We evaluate each situation and explain whether trenchless is a fit.

How long does a sewer line last?

Sewer line lifespan depends heavily on material and conditions. Clay sewer lines can last 50 to 60 years, cast iron typically 75 to 100 years, and modern PVC lines 100 years or more under favorable conditions. Tree roots, soil shifting, and ground settling can all shorten those lifespans significantly.

Do you offer emergency sewer services?

Yes. Sewer backups inside the home or significant leaks at the sewer line require immediate response to prevent property damage and health concerns. Princeton Air provides 24/7 emergency sewer service across New Jersey.

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