What is coinsurance?
Coinsurance is a clause requiring you to insure your property for a specified percentage of its value (typically 80-90%) or face penalties that reduce claim payouts proportionally.
What you need to know
If your building is worth $1 million and you have an 80% coinsurance clause, you must carry at least $800,000 in coverage. If you only carry $600,000, your insurer will only pay 75% of any claim ($600k/$800k = 75%).
Why it matters for restaurant owners
Coinsurance penalties devastate partial claims. Even a $50,000 kitchen fire could result in only a $37,500 payout if you’re underinsured.
Protecting yourself from coinsurance penalties:
Combat this by:
- Getting annual property valuations
- Adjusting coverage limits to match current property values
- Considering agreed value policies that waive coinsurance requirements
Critical reminder: Property values increase over time due to inflation and improvements—your coverage must keep pace.
Coinsurance Penalty Calculator
See how underinsurance affects your claim payout
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Calculation Breakdown
⚠️ Coinsurance Penalty Applied
✓ Adequate Coverage
You meet the coinsurance requirement. Your claim will be paid in full (up to your policy limits and minus your deductible).