Preliminary Flood Maps & Data

Preliminary and revised preliminary Flood Insurance Rate Map (FIRM) information is made available through this page as it is released. Users can look up property-specific information using the “What Is My Base Flood Elevation (BFE)?” Address Lookup Tool, use the community map viewers listed below (see the Preliminary FIRM Viewer User Guide), or get PDF map panels, Flood Insurance Study (FIS) reports, and GIS data via FEMA’s Flood Map Service Center. For some communities, revised preliminary FIRM information has been released and is incorporated into the viewing options listed below.

Online tutorials are available from FEMA to provide assistance. Use the FAQ to get answers to frequently asked questions about preliminary FIRMs, vertical datums, and more.

Community Preliminary FIRM Viewer Address Lookup FIS Report GIS Shapefiles GIS Web-Based Services Flood Hazard Mapping Fact Sheet

New York City

(Revised Preliminary FIRM Issued 1/30/2015)

Preliminary FIRM Viewer Address Lookup Preliminary FIS Report GIS shapefile Flood Hazard Mapping Fact Sheet

Rockland County, NY

Note: only effective FIRM and Advisory Base Flood Elevation (ABFE) information are available for this county. ABFE information does NOT affect Federal flood insurance rating or requirements.

FEMA Flood Hazard Resources Map (Shows ABFE and effective FIRM information) Address Lookup (Provides ABFE and effective FIRM information) Effective FIS Report Volume 1, Volume 2, and Volume 3 GIS shapefile

Effective FIRM

 N/A

Westchester County, NY

Preliminary FIRM Viewer Address Lookup Preliminary FIS Report Volume 1, Volume 2, Volume 3, Volume 4, and Volume 5 GIS shapefile Flood Hazard Mapping Fact Sheet

Atlantic County, NJ

(Revised Preliminary FIRM Issued 1/30/2015)

Preliminary FIRM Viewer Address Lookup Preliminary FIS Report  GIS shapefile Flood Hazard Mapping Fact Sheet

Bergen County, NJ

Preliminary FIRM Viewer Address Lookup Preliminary FIS Report Volume 1, Volume 2, Volume 3, Volume 4, and Volume 5 GIS shapefile Flood Hazard Mapping Fact Sheet

Burlington County, NJ (Atlantic Coast only)

(Preliminary work maps are the most recent data for coastal-influenced areas of the Delaware River.)

Preliminary FIRM Viewer Address Lookup Preliminary FIS Report GIS shapefile Flood Hazard Mapping Fact Sheet

Camden County, NJ

Preliminary FIRM Viewer Address Lookup Preliminary FIS Report Volume 1 and Volume 2 GIS shapefile Flood Hazard Mapping Fact Sheet

Cape May County, NJ

(Revised Preliminary FIRM Issued 1/30/2015)

Preliminary FIRM Viewer Address Lookup Preliminary FIS Report GIS shapefile Flood Hazard Mapping Fact Sheet

Cumberland County, NJ

Preliminary FIRM Viewer Address Lookup Preliminary FIS Report GIS shapefile Flood Hazard Mapping Fact Sheet

Essex County, NJ

Preliminary FIRM Viewer Address Lookup Preliminary FIS Report Volume 1, Volume 2, and Volume 3 GIS shapefile Flood Hazard Mapping Fact Sheet

Gloucester County, NJ

Preliminary FIRM Viewer Address Lookup Preliminary FIS Report Volume 1 and Volume 2 GIS shapefile Flood Hazard Mapping Fact Sheet

Hudson County, NJ (not including NJ Meadowlands Commission)

(Revised Preliminary FIRM Issued 1/30/2015)

Preliminary FIRM Viewer Address Lookup Preliminary FIS Report GIS shapefile Flood Hazard Mapping Fact Sheet

Middlesex County, NJ

(Revised Preliminary FIRM Issued 1/30/2015)

Preliminary FIRM Viewer Address Lookup Preliminary FIS Report GIS shapefile Flood Hazard Mapping Fact Sheet

Monmouth County, NJ

(Revised Preliminary FIRM Issued 1/30/2015)

Preliminary FIRM Viewer Address Lookup Preliminary FIS Report GIS shapefile Flood Hazard Mapping Fact Sheet

Ocean County, NJ

(Revised Preliminary FIRM Issued 1/30/2015)

Preliminary FIRM Viewer Address Lookup Preliminary FIS Report Volume 1 and Volume 2 GIS shapefile Flood Hazard Mapping Fact Sheet

Salem County, NJ

Preliminary FIRM Viewer Address Lookup Preliminary FIS Report GIS shapefile Flood Hazard Mapping Fact Sheet

Union County, NJ

Preliminary FIRM Viewer Address Lookup Preliminary FIS Report GIS shapefile Flood Hazard Mapping Fact Sheet