Clay Pipes, Old Homes & Sewer Line Risks in NJ – What Every Buyer Should KnowNew Jersey is full of charm, especially when it comes to historic homes. But if you're buying a home built before the 1980s, there's one hidden issue you can't afford to ignore: the sewer line. Many older properties still use clay pipes or aging cast iron sewer lines — and while they may look fine on the surface, what’s underneath could cost you thousands. That’s why a sewer camera inspection in NJ is essential before closing on any older home. At NJ Sewer Inspector, we specialize in inspecting sewer systems in homes with outdated or deteriorating plumbing infrastructure. Here’s what you need to know about the risks, red flags, and smart solutions. What Are Clay Sewer Pipes?Clay pipes, commonly used in homes built before the 1970s, are made from vitrified clay. While they were durable in their day, they’re highly vulnerable to tree root intrusion, cracking, and shifting over time. Unlike modern PVC, clay is brittle and prone to erosion. This means even small ground movements can cause breaks — often without warning signs until a major backup occurs. Cast Iron & Orangeburg: Other Old Pipe ProblemsIn addition to clay, some homes also have cast iron or Orangeburg pipes. Cast iron corrodes from the inside out, creating rough surfaces that trap waste. Orangeburg, a bitumen-based pipe, was used from the 1940s to 1970s and often collapses under soil pressure. All three materials — clay, cast iron, and Orangeburg — are red flags for buyers and should be thoroughly inspected. Common Issues Found in Older NJ Sewer LinesHere are some of the most common sewer problems we uncover during sewer scope inspections in older NJ homes:
These issues can cause backups, foul odors, and expensive repairs — often between $5,000 and $20,000 depending on the severity. Why a Sewer Camera Inspection Is CriticalVisual inspections or home appraisals won’t detect sewer line problems. Only a sewer camera inspection can tell you what’s really happening underground. We use a waterproof HD camera to scope your main line and document everything from material type to blockage severity. This inspection typically takes under 90 minutes and includes a full report and video recording — perfect for negotiating seller credits or requesting repairs before closing. How Buyers Benefit from a Sewer ScopeIf we discover damaged clay or cast iron pipes, you can:
In a competitive market, buyers sometimes skip inspections to make their offer stronger — but skipping the sewer scope is a dangerous gamble. What If You Already Own an Older Home?If you live in a home built before the 1980s and haven’t had a sewer inspection recently, you should schedule one ASAP — especially if you’ve noticed:
These are all signs of potential damage to aging clay or cast iron pipes. Helpful Internal Links
Final Thoughts: Don’t Let Old Pipes Cost You BigOld homes may have character — but their sewer lines could be hiding major issues. Whether you’re buying or already own an older home in New Jersey, it’s essential to inspect your pipes before disaster strikes. At NJ Sewer Inspector, we help buyers and homeowners avoid costly repairs with honest, certified sewer camera inspections. Call us at 973-601-5954 or schedule online today. We’ll show you what’s really beneath the surface — and help you protect your investment.
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