Flood zones and their rates are in a state of flux.
There are efforts to delay, stop, change, keep, etc. the flood zones.
We specialize in Water Front property.
Your best aid is to contact a local real estate professional to help with this answer.
(I'm on the Cape, but I can help you choose a local pro if you want help doing so.)
Local insurance professionals and engineers may also be able to help with curent info for Hull.
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