Is flood insurance required near the Chattahoochee River in North Atlanta?

Quick answer: A standard homeowners policy never covers flood, and properties near the Chattahoochee River in Roswell and Sandy Springs carry real flood exposure that requires a separate policy to close.

A standard homeowners policy excludes flood damage entirely, regardless of where the property sits. Properties near the Chattahoochee River corridor through Roswell and Sandy Springs carry meaningful flood exposure from that river, on top of the general storm risk that affects the whole North Atlanta market.

A property in a FEMA-mapped Special Flood Hazard Area with a federally backed mortgage is required to carry flood insurance for the life of the loan. A property outside the mapped zone has no such mandate, but that does not mean no flood risk - a large share of flood claims nationally come from outside mapped high-risk zones.

Example: A home near the Chattahoochee in Sandy Springs sits just outside the mapped high-risk zone, so flood insurance is optional, not required. Heavy rain pushes the river over its banks and floods a finished basement. The homeowners policy pays nothing, because that loss is flood - a separate NFIP or private flood policy would have been the only coverage that responded.