Flood Zones: New Rochelle vs Yonkers
How do flood zones rules compare between New Rochelle, NY and Yonkers, NY?
New Rochelle and Yonkers have similar restriction levels.
New Rochelle, NY
Westchester County
New Rochelle Municipal Code Chapter 186 (Flood Damage Prevention) regulates development in FEMA Special Flood Hazard Areas. Extensive AE zones along Long Island Sound including Five Islands Park, Hudson Park, Davenport Neck, and Echo Bay. Lowest floor must be elevated to or above Base Flood Elevation (BFE) plus freeboard.
View full New Rochelle rules →Yonkers, NY
Westchester County
Yonkers has FEMA AE zones along the Hudson River waterfront and Saw Mill River corridor. Flood damage prevention rules under Yonkers Code Chapter 64 require elevation certificates and BFE+2 ft freeboard for SFHA construction.
View full Yonkers rules →Key Facts Comparison
| Fact | New Rochelle | Yonkers |
|---|---|---|
| Code | Chapter 186 | Yonkers Ch. 64 |
| Zones | AE along Sound shoreline | AE along Hudson, Saw Mill |
| Permit | Floodplain Development required | Required before work |
| Freeboard | Above BFE required | BFE + 2 feet |
| NFIP | Participating community | - |
| Insurance | - | Mandatory in SFHA |
Highlighted rows indicate differences between cities.
New Rochelle FAQ
Is my New Rochelle property in a flood zone?
Check FEMA Map Service Center. Waterfront areas including Davenport Neck, Hudson Park, Echo Bay, and Five Islands Park are largely in AE zones.
Do I need a permit to elevate my home?
Yes. Any work in a SFHA requires a Floodplain Development Permit from the Building Department under Chapter 186.
Yonkers FAQ
Is my Yonkers property in a flood zone?
Check FEMA's Map Service Center using your address. Hudson waterfront and Saw Mill River corridor have extensive AE zones.
Do I need flood insurance?
Yes if your property is in an SFHA and has a federally-backed mortgage. Even outside SFHA, insurance is recommended.
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