17 2026
Buying an older home can offer character, established landscaping, and a desirable location, but it can also come with plumbing problems hidden beneath the property. While a standard home inspection may reveal visible leaks or drainage concerns, it typically cannot show the full condition of an underground sewer line. A sewer scope inspection provides a closer look inside the pipe, helping buyers identify potential problems before committing to a purchase. Without this extra step, an expensive sewer repair could become an unexpected part of homeownership. Remember that this job should be handled by a dependable home inspection company.
Underground sewer pipes can deteriorate over decades, depending on their material, installation quality, soil conditions, and maintenance history. Older homes may have clay, cast iron, or other aging pipe materials that are vulnerable to cracks, corrosion, separated joints, and root intrusion.
Tree roots are a serious concern because they can enter through small openings in pipe joints and expand as they seek moisture. Once inside, roots may trap toilet paper and other waste, eventually restricting wastewater flow. Even if the home's drains appear to work normally during a showing, an underground sewer line may already have damage that has not progressed far enough to cause obvious symptoms.
During a sewer scope inspection, a home inspector or plumber feeds a specialized camera into an accessible sewer cleanout or another suitable entry point. The camera travels through the pipe, transmitting images that allow the technician to examine its interior condition.
The inspection can reveal obstructions, root growth, cracks, corrosion, misaligned joints, and sections where the pipe appears to be sagging or holding wastewater. It may also identify signs of a partial collapse or heavy buildup that could lead to recurring blockages.
The home inspection company can explain the findings and identify areas that may need further investigation. A camera inspection has limitations, however. It may not reveal every defect, especially when a blockage prevents the camera from passing through or when the damaged section cannot be accessed.
A sewer line problem can be costly because the pipe may run beneath driveways, landscaping, patios, or other structures. The final repair cost depends on the location and severity of the damage, pipe material, access requirements, and whether excavation or a suitable trenchless method is possible.
A sewer scope inspection gives buyers an opportunity to discover potential issues before closing. If the camera reveals significant damage, buyers can discuss repair estimates, request further evaluation, or negotiate with the seller where appropriate. The findings also help distinguish a manageable cleaning issue from structural damage that requires pipe repair or replacement.
Pay attention to recurring drain backups, multiple slow fixtures, gurgling toilets, sewage odors, or unusually wet areas in the yard. These signs do not automatically mean the sewer line is failing, but they have to be investigated. Ask about previous sewer repairs, the age of the line, and any available maintenance records. A seller's disclosure or a general home inspection should not replace a direct assessment of the underground pipe.
Older homes come with plenty of charm and a few surprises. Even if the property seems perfect, don’t skip the inspection—it’s better to be safe than sorry. Adding a sewer scope inspection to a home inspection can uncover costly hidden problems before they cost you an arm and a leg. At Atlanta Property Inspections, we are committed to helping both sellers and buyers transact with confidence. We have over 25 years of industry experience and a team of ASHI certified home inspectors. Call us now to schedule a home inspection appointment!