FEMA flood zone rules in Marietta, GA — also called floodplain regulations or special flood hazard area (SFHA) rules — determine flood insurance requirements and elevation standards for new construction.
Marietta participates in NFIP and holds CRS Class 8 rating (flood insurance discount). All new floodplain development requires a city permit. 50% substantial improvement rule applies within SFHA.
The City of Marietta participates in FEMA's National Flood Insurance Program (NFIP) and has achieved a Community Rating System (CRS) Class 8 rating, which provides flood insurance premium discounts to residents. All new development within a Special Flood Hazard Area (SFHA, or 100-year floodplain) requires a permit from the Marietta Permit Office (770-794-5659). If redevelopment costs equal or exceed 50% of the fair market value of the primary structure for any 10-year period, the entire property must be brought up to current floodplain code. Georgia participates in the FEMA CTP agreement for state-managed FIRMs. Residents can check their flood zone at georgiadfirm.com or FEMA's Map Service Center.
Construction below flood elevation: retroactive compliance required, fines $500 to $5,000. Floodway encroachment: removal order. Failure to maintain flood insurance: lender force-placement at higher cost.
Marietta, GA
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