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MorningsideHealth & Risk

What is the 80% coinsurance rule and why does it matter?

Most commercial property policies include a coinsurance clause requiring you to insure the property to at least 80% of its replacement cost. If you insure for less, the carrier reduces your claim payment proportionally — even on partial losses. Example: a building worth $1M is insured for $600K (60% coinsurance compliance). A $200K fire loss is paid at $200K × (60% / 80%) = $150K, and you eat the $50K gap. This is one of the most expensive lessons new property buyers learn at claim time. We get appraisals or replacement-cost estimators on the front end to make sure limits are at or above the coinsurance threshold.

Category
Business Insurance
Audience
Pre-purchase guidance
Topic
Business Liability

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