Flood Elevation
Hurricane Preparedness
Minimum elevation requirements for structures in flood zones, including freeboard standards above base flood elevation and elevation certificate requirements.
How Flood Elevation Rules Differ by Place
Florence County, SC: Florence County Critical Development Flood Rule
Heavy RestrictionsFlorence County's flood hazard rules go beyond the standard base flood elevation for what the zoning ordinance labels 'critical development.' Under County Code § 30-62(a)(4), those…
Horry County, SC: Horry County: 2 Feet of Freeboard, No Basements
Heavy RestrictionsIn Horry County's mapped special flood hazard zones, new residential construction and substantial improvements must have the lowest floor at least two feet above the base flood…
Mount Pleasant, SC: Mount Pleasant Coastal High Hazard Elevation Rules
Heavy RestrictionsIn Mount Pleasant's VE Zones and Coastal A Zones, § 152.26 requires new construction to sit on piers, piles or open foundations, elevated to the design flood elevation, anchored…
Birmingham, AL: Birmingham Flood Zone Lowest Floor Elevation
Some RestrictionsIn Birmingham's mapped special flood hazard areas, the Zoning Ordinance requires new or substantially improved residential structures to elevate the lowest floor, including any…
Decatur, AL: Decatur, AL Elevation Rules Without Mapped Flood Data
Some RestrictionsIn the City of Decatur, Alabama, City Code § 25-32(d)4 requires the lowest floor in flood areas without base flood elevation data to sit at least three feet above the highest adjacent…
Jefferson County, AL: Jefferson County Flood-Area Fill Elevation Rule
Some RestrictionsJefferson County requires subdivision plats submitted for flood-prone land in the unincorporated county to be filled at least 2 feet above the 100-year flood elevation before the…
Cities & Counties with Flood Elevation Rules
146 locations
Alabama
Florida
Other Hurricane Preparedness Topics
Hurricane Shutters
Requirements for hurricane shutters or impact-resistant windows, including approved types, installation standards, and pre-storm deployment rules.
Roof Standards
Wind-resistant roofing requirements including strap attachments, material ratings, and inspection requirements for hurricane-prone areas.
Storm Debris
Rules for pre-storm yard preparation, post-storm debris placement for pickup, and timelines for property cleanup after hurricanes.