Until the Federal government gets out of the guaranteed flood insurance business-- which is unlikely to happen soon, as there would be fierce political blowback-- you will always be able to get flood insurance supported by taxpayers.
Currently it's 25 billion in debt, but that's cheap in terms of federal programs of that magnitude (~15 $ per home per year). Further, the net economic gain from allowing people to build in slightly at risk areas has easily been worth 25 billion over that time period. Consider, without some form of insurance you could not build downstream of major dam's as the low risk of them failing puts huge areas at risk.
