Hurricane Preparedness in Yonkers, NY (2026)
1 verified hurricane preparedness rules for Yonkers, New York, sourced directly from the municipal code and official government pages.
Verified from official government sources
Flood Elevation
Building or substantially improving a structure in a mapped Yonkers flood zone requires filing the proposed lowest-floor elevation with the City Engineer up front, then a certified as-built elevation once the lowest floor is set. A licensed professional engineer or land surveyor must prepare that certificate, and no further work may proceed on the strength of an unapproved one.
Yonkers Requires Certified Elevation for Flood-Zone Builds
Some RestrictionsYonkers City Code § 56-147C(1), § 56-147D(4)(a)
The proposed elevation, in relation to mean sea level, of the lowest floor (including basement or cellar) of any new or substantially improved structure to be located in Zones A1-A30, AE or AH, or Zone A if base flood elevation data are available. Upon completion of the lowest floor, the permittee shall submit to the local administrator the as-built elevation, certified by a licensed profession...
Looking for Westchester County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Yonkers city rules.
Hurricane Preparedness in Westchester County →