DR-4683-CA: California Severe Winter Storms, Flooding, Landslides, and Mudslides

FEMA disaster declaration data · Downloaded 2026-10-08

The Individual Assistance registration period in FEMA's data ended March 16, 2023.

DeclarationMajor disaster declaration DR-4683-CA (disaster 4683)
DeclaredJanuary 14, 2023
Incident periodDecember 27, 2022 to January 31, 2023
Incident typeFlood
Individual AssistanceApproved for the areas marked below
Public AssistanceApproved
Hazard MitigationApproved

Areas covered (44)

AreaIndividual AssistanceLast day to apply
Alameda CountyYesMarch 16, 2023
Alpine CountyNo
Amador CountyYesMarch 16, 2023
Butte CountyNo
Calaveras CountyYesMarch 16, 2023
Colusa CountyNo
Contra Costa CountyYesMarch 16, 2023
Del Norte CountyNo
El Dorado CountyNo
Fresno CountyNo
Glenn CountyNo
Humboldt CountyNo
Inyo CountyNo
Los Angeles CountyNo
Madera CountyNo
Marin CountyNo
Mariposa CountyNo
Mendocino CountyYesMarch 16, 2023
Merced CountyYesMarch 16, 2023
Monterey CountyYesMarch 16, 2023
Napa CountyNo
Nevada CountyNo
Placer CountyNo
Sacramento CountyYesMarch 16, 2023
San Benito CountyNo
San Diego CountyNo
San Francisco CountyNo
San Joaquin CountyYesMarch 16, 2023
San Luis Obispo CountyYesMarch 16, 2023
San Mateo CountyYesMarch 16, 2023
Santa Barbara CountyYesMarch 16, 2023
Santa Clara CountyYesMarch 16, 2023
Santa Cruz CountyYesMarch 16, 2023
Siskiyou CountyNo
Solano CountyNo
Sonoma CountyNo
Stanislaus CountyNo
Sutter CountyNo
Tehama CountyNo
Trinity CountyNo
Tulare CountyNo
Tuolumne CountyNo
Ventura CountyYesMarch 16, 2023
Yolo CountyNo

If you were affected

Where these numbers come from

All figures on this page are calculated from FEMA's public OpenFEMA datasets:

FEMA's redacted claims data doesn't identify properties, and FEMA notes that some records lack a county or flood zone. See how we use the data.