My first job out of college was doing flood zone determinations with this data. FEMA updates their FIRM (Flood Insurance Risk Maps) flood zones in most places e

My first job out of college was doing flood zone determinations with this data. FEMA updates their FIRM (Flood Insurance Risk Maps) flood zones in most places every few years. Just checked here in Austin and it was last updated in 2016. https://msc.fema.gov/portal/availabilitySearch?addcommunity=480624&communityName=AUSTIN,%20CITY%20OF#searchresultsanchor https://msc.fema.gov/portal/availabilitySearch?addcommunity=...