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NFIP Substantial Damage. Substantial Damage. Substantial Damage: Restoration cost equals or exceeds 50% of pre-damage market value of structure , even if not fully restored.
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Substantial Damage • Substantial Damage: Restoration cost equals or exceeds 50% of pre-damage market value of structure, even if not fully restored. • Substantial Improvement: Improvement cost equals or exceeds 50% of market value of structure prior to the improvement. • A Substantially Damaged or Substantially Improved building must meet new construction requirements of the National Flood Insurance Program, if the building is located in a FEMA-defined Special Flood Hazard Area
Mathematically Speaking Cost to Repair + Cost of Improvements > 50% Market Value
Post-Event Local floodplain managers must be able to quickly inform building owners of: • the need to bring substantially damaged buildings into compliance with current flood hazard regulations • potential grant opportunities and need to sign letter of intent
SI/SD Determination Before issuing floodplain development permits to repair damage local floodplain manager must: • Determine costs to repair • Determine pre-event market values • Make SI/SD determinations
Assessed RMV • In Oregon, the assessed real market value of improvements may be used as a starting point to establish the market value of a structure • Building owners may appeal the valuation with a professional appraisal
Pre-planning • Educate floodplain managers about how RMV is estimated • Discuss limitations • Help develop substantial damage assessment protocols in your jurisdiction