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Nassau County, New York

County-level FEMA declaration history, assistance rollups, and flood insurance context for Nassau County.

Total declarations
31
1965 to 2024
Tracked FEMA aid
$5.3B
PA + assistance signals
Most common type
Hurricane
94,462 registrations tracked
Most recent event
DR-4755
Jan 30, 2024
Cross-link

Need the flood-zone side of the story?

The same county on FloodZoneMap.org covers flood-zone context, map interpretation, and related flood insurance questions that sit adjacent to this disaster-history page.

Open FloodZoneMap.org
Federal spending

Public + individual assistance structure

Public assistance totals come from FEMA project-level obligations. Individual assistance totals prioritize the validated or intake totals without double counting both sources together.

Public assistance

Infrastructure repair, debris removal, emergency measures, and related project obligations.

Utilities$2.9B
Emergency Protective Measures$1.2B
Buildings and Equipment$305.3M
Debris Removal$273.3M
Parks, Recreational Facilities, and Other Items$119.6M
Management Costs$47.1M
Roads and Bridges$17.4M
Water Control Facilities$9.2M
Total PA obligated$4.9B

Individual assistance

Registrations, housing assistance, and other-needs dollars surfaced through the FEMA assistance datasets.

Tracked registrations94,462
IHP / household aid$397.2M
Housing assistance$330.1M
Other needs assistance$67.0M
NFIP claims paid$0
Timeline

Every declaration on record for this county

Ordered newest to oldest so recent search intent is handled first, without losing the long historical tail.

HurricaneAug 2021Nassau County

HURRICANE HENRI

EM-3565-NY · Aug 21, 2021 to Aug 24, 2021
$0PA obligated
0Registrations
$0Household aid
PAPrograms
BiologicalMar 2020Nassau County

COVID-19 PANDEMIC

DR-4480-NY · Jan 20, 2020 to May 11, 2023
$931.0MPA obligated
4,793Registrations
$31.5MHousehold aid
PA, HMPrograms
BiologicalMar 2020Nassau County

COVID-19

EM-3434-NY · Jan 20, 2020 to May 11, 2023
$0PA obligated
0Registrations
$0Household aid
PAPrograms
HurricaneOct 2012Nassau County

HURRICANE SANDY

DR-4085-NY · Oct 27, 2012 to Nov 8, 2012
$3.0BPA obligated
79,499Registrations
$347.8MHousehold aid
PA, HMPrograms
HurricaneAug 2011Nassau County

HURRICANE IRENE

DR-4020-NY · Aug 26, 2011 to Sep 5, 2011
$141.6MPA obligated
4,483Registrations
$8.6MHousehold aid
PA, HMPrograms
HurricaneAug 2011Nassau County

HURRICANE IRENE

EM-3328-NY · Aug 25, 2011 to Sep 5, 2011
$64KPA obligated
0Registrations
$0Household aid
PAPrograms
OtherAug 2003Nassau County

POWER OUTAGE

EM-3186-NY · Aug 14, 2003 to Aug 16, 2003
$587KPA obligated
0Registrations
$0Household aid
PAPrograms
WinterMar 2003Nassau County

SNOW

EM-3184-NY · Feb 17, 2003 to Feb 18, 2003
$4.0MPA obligated
0Registrations
$0Household aid
PAPrograms
About this county

Disaster history context for Nassau County

Nassau County, New York has 31 FEMA disaster declarations on record, spanning from 1965 to 2024. The dominant hazard type is hurricane, followed by severe storm. That is above the New York average of 25 declarations per county. Total tracked FEMA obligations for this county exceed $5.3B, split between public infrastructure repair and individual household assistance.

Public assistance covers debris removal, emergency protective measures, and infrastructure repair managed through FEMA project obligations. Individual assistance includes housing aid, other-needs grants, and validated registrations reported through the IHP datasets. These figures reflect what FEMA's open datasets report — actual disbursements to individuals and local agencies may differ from the obligation totals shown here.