Water damage is one of the most common—and expensive—home insurance claims. Many homeowners are surprised to learn that standard homeowners insurance does not automatically cover sewer or drain backups. Knowing whether you have this coverage before a loss happens can save you significant stress and expense.
Here’s how to tell if your policy includes sewer and water backup coverage.
What Is Sewer and Water Backup Coverage?
Sewer and water backup coverage protects your home and belongings if water backs up through:
- Sewer lines
- Drains
- Sump pumps
This can happen due to:
- Heavy rainfall
- Clogged sewer lines
- Tree roots in pipes
- City sewer system backups
Without this specific coverage, these losses are often excluded.
Check Your Declarations Page (Dec Page)
The first place to look is your Declarations Page.
Search for terms such as:
- “Sewer Backup”
- “Water Backup”
- “Sump Pump Overflow”
- “Drain Backup”
If listed, the page will also show the coverage limit, which is often separate from your main dwelling limit.
Review Your Endorsements or Policy Add-Ons
Sewer and water backup coverage is usually added by endorsement.
Look through your policy documents for endorsements titled:
- “Water Backup and Sump Overflow”
- “Limited Water Damage Coverage”
- “Sewer Backup Coverage Endorsement”
If you don’t see one, the coverage may not be included.
Check the Policy Exclusions Section
Your policy’s exclusions section often explains what is not covered.
Look for language excluding:
- Water that backs up through sewers or drains
- Overflow from sump pumps
If you see this exclusion without a matching endorsement, you likely don’t have coverage.
Confirm the Coverage Limit
Sewer and water backup coverage usually has a specific dollar limit, such as:
- $5,000
- $10,000
- $25,000
These limits can be lower than your dwelling coverage, so make sure the amount is sufficient to cover potential cleanup and repairs.
Ask Your Insurance Agent or Company
If you’re unsure, a quick call or email can confirm:
- Whether you have sewer and water backup coverage
- Your coverage limit and deductible
- How to increase the limit if needed
This is one of the most common and important coverage questions homeowners ask.
Why This Coverage Is Important
A sewer or drain backup can cause:
- Damage to flooring and drywall
- Ruined furniture and personal property
- Costly cleanup and sanitation
Claims can easily reach tens of thousands of dollars, especially if finished basements are involved.
When to Review or Add Coverage
Consider adding or increasing coverage if:
- Your home has a basement
- You live in an older neighborhood
- You’ve experienced past backups
- Heavy rain or flooding is common in your area
This coverage is often affordable compared to the potential cost of a loss.
Final Thoughts
Sewer and water backup coverage isn’t always included in a standard homeowners policy, but it can be critical when problems arise. Reviewing your declarations page, endorsements, and exclusions—or confirming with your insurance provider—will help you know exactly where you stand.
If you’re unsure whether you’re covered, now is the best time to review your policy before a backup occurs.