The NFIP requires that if the cost of reconstruction, rehabilitation, addition, or other improvements to a structure equals or exceeds 50% of the structures market value, then the structure must meet the same construction requirements as a new structure. Substantially damaged buildings (includes damages of any origin, including fire, wind, tornado, flood, etc.) must also be brought up to the same standards (e.g., a residence damaged so that the cost of restoring the structure equals or exceeds 50% of the structures pre-damaged value must be elevated to or above the base flood elevation).
* For more information, FEMA publication 213 (Answers to Questions About Substantially Damaged Buildings) is available by calling 1-800-480-2520.
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