Sewer Camera Inspection When Buying a Home in California
A standard home inspection does not look inside the sewer line. A camera does, before you own the problem.
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The short answer
If you are buying an older home, add a sewer camera inspection to your due diligence. A general home inspection looks at the visible parts of the house and does not normally send a camera through the underground sewer line. A broken or root-filled lateral can cost thousands to repair, and it is easy to miss until after closing.
The inspection is quick, and it gives you a recording and a report you can use to negotiate a repair credit, ask the seller to fix the line or, in a serious case, walk away within your contingency period.
What the camera can reveal
These are the findings buyers care about most.
| Finding | What it means | How buyers use it |
|---|---|---|
| Root intrusion at joints | Roots are working into the line | Ask for a repair or a credit, plan for cleaning |
| Offset or separated joints | Pipe sections have shifted | Negotiate, since it can lead to backups |
| Belly or sag | A low spot holds water and waste | Consider repair cost and future backups |
| Crack, break or collapse | The pipe is failing | Get a repair quote before removing contingencies |
| Old pipe material | Clay, cast iron or a fiber pipe near the end of its life | Budget for eventual replacement |
| A clear, sound line | No major defects seen | You buy with confidence |
Timing in a California purchase
A California purchase contract sets a period during which you can investigate the property and cancel or negotiate. In many standard contracts that period is about 17 days, but yours may differ, so check the timeline. Book the sewer inspection early, since a camera visit takes only a short time but scheduling around the seller and the contingency period takes longer.
Ask your agent whether the seller must provide access to the cleanout, and confirm that the house has one. If not, the plumber may have to work from another access point, which adds time.
Older lots are the ones to check
Homes built in different decades used different sewer pipe materials. Clay joints let roots in, cast iron rusts from within and a tar-based fiber pipe sold as Orangeburg can deform or collapse. North Highlands and its neighbors include homes from several eras, so the pipe under a given lot depends on when it was built. A camera tells you what is actually there.
What to ask for
- A recording of the full run from the house to the main, where access allows
- A written summary of the findings with the location and depth of any defects
- Marking of any defects on the surface above the pipe
- A plain statement of whether the line needs cleaning, repair or replacement
- A repair quote for any defect that is found
- The plumber's license number, which you can check with the state licensing board
What to do with the results
A clean report is a green light. A minor finding, such as light roots, may call for cleaning and a note to monitor. A serious defect calls for a repair quote and a negotiation. Our pages on sewer line repair and sewer line replacement explain what those fixes involve and what drives their cost.
Give the seller the report and the quote and ask for a credit or a repair. If the defect is large and the seller will not move, consider whether the house is still the right one.
If you are selling
A sewer inspection before listing lets you fix problems on your schedule instead of a buyer's. A clean recording can also reassure buyers who are wary of an older house. If the camera finds a problem, you can choose a repair, disclose it and price the house accordingly. See sewer camera inspection for how the visit works.
If you have already noticed slow drains or backups, it is a good idea to address them before a buyer's inspector does.
What affects the cost
The inspection price depends on access, the length of the line and whether it has to be cleaned first so the camera can see. A house with a cleanout near the front is quick to inspect. A house with no access point takes longer. Compared with the cost of a sewer repair or replacement, the inspection is a small line in your closing budget.
Ask whether the price includes a recording and a written summary, since buyers often need both to negotiate.
Questions to ask about the property
- Has the sewer line ever backed up, or been cleaned or repaired?
- Where is the cleanout, and is it accessible?
- Are there large trees near the sewer route?
- Has the house had any additions that changed the plumbing?
- Is the sewer connected to the public main or to a septic system?
- Are there records of any past plumbing permits?
Septic and shared laterals
Some properties in rural-edge areas may be on septic instead of a public sewer, and a camera inspection of a septic system is a different job. Ask early. In some neighborhoods, a lateral can also be shared between two properties, which affects who is responsible for a repair. Your agent and the title paperwork should show what applies to the property you are buying.
Questions about this topic
Not normally. A camera inspection is an add-on.
Often under an hour when there is a cleanout and the line is clear.
The buyer usually pays for their own investigations. Who covers repairs is negotiable.
You can ask for a repair, a credit or a price reduction. The outcome depends on the contract and the negotiation.
The plumber may use another access point, such as a toilet or roof vent. It can take longer.
Related guides
Sewer Backup: What to Do First, Step by Step
The first hour decides how much damage a sewage backup does and how safe your house stays.
Drain Cleaning Cost in Sacramento County, CA: What to Expect
National price ranges, the factors that move the bill and how to tell a fair quote from a padded one.
How to Check a California Plumber's License Before Hiring
A license check takes about two minutes and is the single best way to avoid a bad hire.
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