A 5% wind and hail deductible on a $10 million building equals $500,000 out of your pocket. The carrier pays nothing until storm damage passes that threshold. Owners often discover this only after a claim, so check how your apartment building wind and hail deductible is calculated today, and then compare it against your reserves. Percentage deductibles often apply per building or per occurrence, which can multiply your exposure fast. You can’t negotiate after the storm hits.

A named storm deductible is a percentage of your insured value. On an apartment building, that percentage gets big fast. Say the property is insured for $10 million. At 5%, you pay the first $500,000 of storm damage yourself. At 7.5%, you pay $750,000. Your carrier picks the percentage. Your lender sets the cap. And when the two don't match, your closing can stall. How a named storm deductible works When a storm named by the National Hurricane Center damages your property, th