FEMA flood maps (available at msc.fema.gov) show the flood risk for every parcel of land in the US. Knowing your zone affects your insurance decisions and your emergency planning.
Zone A and AE are high-risk flood zones where flood insurance is typically required for federally backed mortgages. Zone X is lower risk. Even Zone X can flood — the designation reflects probability, not certainty.
Next StepsUse the guides and free checklists below to keep building.