What the camera shows
A waterproof camera on a flexible cable is pushed through the line from a cleanout or a pulled toilet. It records video of the pipe walls and joints, and a locator on the camera head lets the plumber find its position and depth from above. The footage shows the pipe material, roots, cracks, offsets, sags where water pools, grease buildup and any objects stuck in the line.
Good inspections note the distance from the access point to each problem. That way, if a repair is needed, the plumber can mark the exact spot on the surface and dig only where necessary.
When it's worth it
- After a second clog in the same line
- Before buying a home, especially one more than 25 years old
- After roots are found, to see how many joints are affected
- Before choosing between repair, lining and replacement
- Before finishing a basement or remodeling a bathroom
Reading the results
| Finding | What it usually means |
|---|---|
| Fine roots at one joint | Cutting on a schedule is reasonable |
| Roots at many joints | Consider lining |
| Belly (water pooling) | Repeat clogs; repair the low section |
| Offset joint | Catches paper; may need repair or lining |
| Crack or collapse | Repair or replacement needed |
| Grease coating | Jetting and better kitchen habits |
Buying a home
Home inspections usually don't include the sewer line. A separate sewer scope is one of the most useful checks a buyer can order, especially for older homes with clay or cast iron pipe or mature trees. If the scope finds problems, a written repair estimate gives you a basis to negotiate a repair or credit before closing.
Typical costs
| Job | Typical range |
|---|---|
| Camera inspection from an accessible cleanout | $150–$350 |
| Inspection through a pulled toilet | $250–$400 |
| Inspection with locating and marking | $200–$450 |
Sewer camera inspection: common questions
Do I get to keep the video?+
Ask before the inspection. Most plumbers will provide the file, and it's worth keeping with your home records.
Can the camera go all the way to the street?+
Usually, if there's a cleanout near the house and the line is open. A severe blockage may need clearing first.
How long does an inspection take?+
Typically 30 minutes to an hour, plus time to locate and mark any problem spots.
Is a sewer scope part of a home inspection?+
Usually not. Order it separately from a plumber or a specialist.