The purpose of this page is to define existing construction, a commonly used term in floodplain management. To explore other common floodplain management terms access the NFIP Policy Index.
Definition/Description
For the purposes of determining flood insurance rates, structures for which the "start of construction" commenced before the effective date of the Flood Insurance Rate Map (FIRM) or before January 1, 1975, for FIRMs effective before that date. "Existing construction" may also be referred to as "existing structures."
NFIP Requirement
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Last Updated:
04/27/2016 - 15:07