A bill to authorize certain construction in coastal high hazard areas using assistance under the Robert T. Stafford Disaster Relief and Emergency Assistance Act.

Deems: (1) certain activity in a coastal high hazard area to be an eligible use of assistance under provisions of the Robert T. Stafford Disaster Relief and Emergency Assistance Act regarding hazard mitigation and repair, restoration, and replacement of facilities damaged by Hurricane Katrina, Rita, Gustav, or Ike; and (2) any new construction or substantial improvements to structures under such an activity involving critical actions to not be required to elevate to the 500-year floodplain if it would be impracticable.

Makes this Act applicable to any assistance under such Act relating to a major disaster declared on or after August 28, 2005, relating to such hurricanes.