Homeownership comes with unexpected costs—especially when your sewer line backs up or a buried service line fails. With sewer and drain coverage and service line protection, you gain peace of mind and financial security against costly repairs. In our previous post, Don’t Be Left High and Wet, we explored flooding risks; now let’s dive into why these specialized endorsements belong on your policy.
What Is Sewer and Drain Coverage?
Sewer and drain coverage reimburses you when a clogged main line causes sewage to back up into your basement, laundry room, or yard. Standard homeowners policies typically exclude backups caused by blockages, roots, or pipe collapse. With this endorsement, you’ll be covered for:

Cleanup costs: Removal of sewage, sanitizing, and drying your home
Repair expenses: Fixing or replacing damaged pipes, flooring, and walls
Preventive measures: Snaking or hydro-jetting drains to clear blockages
How Service Line Coverage Complements Your Policy
Service lines run from your house to municipal systems, carrying water, electricity, or sewer. When a buried pipe cracks from corrosion, shifting soil, or excavation damage, traditional policies won’t pay. Service line coverage steps in to cover:
- Excavation and repair: Digging to locate and fix the damaged line
- Material and labor: Replacement of pipes, connectors, and fittings
- Restoration: Landscaping, concrete work, or driveway repaving after digging
By pairing sewer and drain coverage with service line protection, you safeguard both ends of your home’s hidden infrastructure.
Real-World Cost Scenarios
- Sewer backup cleanup: $5,000 – $15,000 for sanitation and repairs
- Service line replacement: $3,000 – $10,000 depending on depth and restoration
Without coverage, you’d shoulder these emergency expenses out of pocket—often thousands of dollars more than the few extra dollars per month for a policy endorsement.
3 Key Benefits at a Glance
| Benefit | Sewer & Drain | Service Line |
|---|---|---|
| Financial protection | ✔️ | ✔️ |
| Peace of mind | ✔️ | ✔️ |
| Preventive service discounts | ✔️ (some carriers) | ✔️ (with maintenance plans) |
Who Should Consider These Endorsements?

Older homes with aging pipes or known root intrusion
Properties near large trees whose roots may invade sewer lines
Homes with frequent street work or heavy equipment nearby
Even if your plumbing seems sound today, modern pipes can corrode underground without warning.
How to Add These Coverages
- Review your homeowners policy for “sewer backup” and “service line” exclusions.
- Request a quote for “sewer backup and drain coverage” and “service line protection”
- Compare carriers—some insurers bundle both endorsements at a discount
Our agency can help you compare options and make sure you’re not left paying for unexpected utility repairs.
Need help? Contact the Joel McKinnon Agency to compare coverage options and ensure your pipes—and wallet—stay protected.







