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Guide · homeowner in North Atlanta

Is my lot in a flood zone or river corridor?

FEMA flood maps and Georgia's Metropolitan River Protection Act (river corridor) are two separate checks — a parcel can clear one and fail the other.

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FEMA Special Flood Hazard Area (SFHA)

If your parcel falls inside a mapped SFHA, new construction — including a pool — generally needs a floodplain development permit, and a floodway location can require a no-rise certification from an engineer before anything gets built.

River corridor and stream buffers

Near the Chattahoochee, the Metropolitan River Protection Act imposes a corridor setback separate from zoning. State-waters stream buffers (typically 25 or 50 feet) apply to smaller creeks and tributaries throughout North Atlanta, whether or not you're near the river itself.

What we check

Each with the source layer and as-of date, not a guess based on the ZIP code.

Where this applies today

Live now — click through for the pack-specific page, or run the address widget above.

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