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The pipes and cables between the street and your house belong to you in most towns. The water line, the sewer lateral, and the underground power and data lines that cross your yard are your repair bill when they fail. A standard homeowners policy generally does not pay for that work. Service line coverage is an endorsement that does, up to a set limit, when a covered line fails from causes such as wear, rust, or tree root intrusion.
Where the utility company’s job ends and yours begins
Utility companies maintain the mains in the street and, in many places, the lines up to a shutoff point near the property line. Everything from that point to the house is usually the homeowner’s problem. A failed sewer lateral can mean excavation through your yard or driveway, pipe replacement, and then putting the landscaping back. That is why a single failure can turn into an expensive week even when the pipe itself is cheap.
Age is the main risk factor. Older homes with clay or cast iron sewer lines and older water lines face more failures than newer homes with modern materials. Tree roots seek out joints in older sewer lines and can block or crack them. If you buy an older home, a sewer camera inspection during the buying process gives you useful information about whether this endorsement deserves a place near the top of your list.
How the cost and limits work
Service line coverage is sold as a policy endorsement with its own limit and, in many cases, its own deductible that differs from your main policy deductible. Insurers price it as a relatively small addition to your premium, with the price tied to the limit you select and factors such as the age of the home. Limits vary by carrier, so read the endorsement rather than assuming a figure. Some insurers also bundle service line coverage with equipment breakdown in an upgraded package, which is worth checking on your declarations page before you pay for anything twice.
Keep this endorsement separate in your mind from sewer backup coverage. Service line pays to repair the pipe itself when it fails. Sewer backup coverage pays for damage inside the home when sewage or drain water backs up into it. Our guide to sewer backup coverage and what it costs explains that side in detail. Many homeowners who need one of these endorsements benefit from both, because a failed lateral and a backup often arrive together.
What a typical claim involves
- A plumber confirms the failure is in your section of the line and documents the cause
- You or the insurer arrange excavation and repair, with costs tracked against your limit
- Covered costs can include digging, pipe repair or replacement, and restoring the yard to its prior condition in many endorsements
- You pay the endorsement deductible, and any amount above your limit comes from your own pocket
- Damage inside the home from the failure is handled under other parts of the policy, not the service line limit
If you need to make a claim, early documentation protects you. Photograph the work at each stage and keep every invoice. Our walkthrough of how to file a homeowners insurance claim step by step covers the habits that help any claim go smoothly. You can also review common homeowners policy exclusions to see where service line coverage sits among the usual gaps.
This endorsement fits older homes, homes with large trees near the sewer run, and any property where a line repair would be a painful surprise. For a newer home with modern lines, the risk is lower, though the endorsement is often priced low enough that owners keep it anyway for peace of mind.
Before you buy the endorsement
Walk the age and material of your lines first. Your home inspection report from purchase, city records, or a plumber who has worked on the house can tell you whether you have older clay or cast iron, or modern plastic lines. Homes built many decades ago carry the highest failure risk, and the endorsement is priced with that in mind. If a plumber has already warned you about a deteriorating lateral, disclose the conversation honestly when you apply. Coverage bought to pay for a known, failing line invites a denied claim.
Also check for overlap. Some municipalities and private companies sell their own line protection plans by mail. A city plan and a policy endorsement can end up covering the same repair, and paying for both wastes money. Compare the limits, the deductible, and who chooses the contractor before you keep more than one product.
Related reading: what homeowners insurance covers and our national guide to homeowners insurance costs in 2026, plus how home insurance deductibles work.
