List of California disasters Disaster Loss

List of California Disaster Codes
Incident Period Disaster County Disaster Code Governor Declared (State Loss Throwback Election)1 President Declared (Federal Loss Throwback Election)6 100% Disaster Loss Carryover Period
January 2026 Arcata Fire (Declared April 17, 2026) Humboldt (limited to City of Arcata) 179 Yes No 20 years
December 2025 & January 2026 Early January 2026 Storms (Declared April 17, 2026) Sonoma 178 Yes No 20 years
December 2025 2025 Late December Storms Los Angeles, Orange, Riverside, San Bernardino, San Diego, Shasta, Mendocino, Sonoma, Ventura 175 Yes No 20 years
November 2025 November 2025 Storm (Declared April 17, 2026) Santa Barbara, Santa Cruz 177 Yes No 20 years
November 2025 Pack Fire Mono 168 Yes No 20 years
September 2025 Late September 2025 Storm (Declared April 17, 2026) Imperial 176 Yes No 20 years
September 2025 2025 Mid-September Storm (Declared December 23, 2025) Imperial, San Bernardino 169 Yes No 20 years
September 2025 TCU Lightning Complex Fires Calaveras, Tuolumne 167 Yes No 20 years
August 2025 Gifford Fire (Declared December 23, 2025) San Luis Obispo, Santa Barbara 172 Yes No 20 years
August 2025 2025 August Monsoon Storms (Declared December 23, 2025) Imperial 171 Yes No 20 years
August 2025 2025 Late August Storms & Mudslides (Declared December 23, 2025) Sierra 170 Yes No 20 years
July 2025 2025 July Tsunami (Declared December 23, 2025) Del Norte 173 Yes No 20 years
March 2025 & April 2025 2025 Late-March Winter Storms (Declared July 2025) Trinity 166 Yes No 20 years
January 2025 & February 2025 2025 February Storms (Declared July 2025) Humboldt, Mendocino, Modoc, Napa, Shasta, Sonoma, Trinity 165 Yes No 20 years
January 2025 January 2025 Windstorm Event (Declared December 23, 2025) San Bernardino (Limited to City of Rancho Cucamonga) 174 Yes No 20 years
January 2025 Fires & Windstorm Declared by President & Governor: Los Angeles Yes Yes 20 years
Declared by Governor only: Ventura 157 Yes No 20 years
December 2024 Franklin Fire (Declared June 2025) Los Angeles (limited to City of Malibu) 164 Yes No 20 years
December 2024 Severe Rainstorms (Declared May 2025) Trinity 163 Yes No 20 years
December 2024 Coastal Storm (Declared February 2025) Santa Cruz 161 Yes No 20 years
December 2024 Earthquake Del Norte, Humboldt, Mendocino 156 Yes No 20 years
November 2024 Mountain Fire Ventura 155 Yes No 20 years
October 2024 Levee Failure (Victoria Island) (Declared May 2025) San Joaquin 162 Yes No 20 years
September 2024 Bear Fire (Declared November 2024) Sierra 160 Yes No 20 years
September 2024 Boyles Fire Lake 154 Yes No 20 years
September 2024 Bridge & Airport Fires Los Angeles, Orange, Riverside, San Bernardino 153 Yes No 20 years
September 2024 Line Fire San Bernardino 152 Yes No 20 years
September 2024 Land Movement Los Angeles (limited to the City of Rancho Palos Verdes) 151 Yes No 20 years
July 2024 Shelly Fire (Declared November 2024) Siskiyou 159 Yes No 20 years
July 2024 Borel Fire Kern 150 Yes No 20 years
July 2024 Gold Complex & Park Fires Butte, Plumas, Tehama 149 Yes No 20 years
July 2024 Thompson Fire Butte 148 Yes No 20 years
April 2024 Pier Fire (Declared November 2024) San Diego (Limited to the City of Oceanside) 158 Yes No 20 years
March 2024 Storms Alameda, Contra Costa, Del Norte, Los Angeles, Marin, Mendocino, Monterey, Napa, Nevada, Plumas, San Bernardino, San Mateo, Santa Barbara, Santa Clara, Santa Cruz, Solano, Sonoma, Trinity, Ventura 147 Yes No 20 years
February 2024 Severe Winter Storms Alameda, Butte, Glenn, Lake, Los Angeles, Mendocino, Monterey, Orange, Riverside, Sacramento, San Bernardino, San Diego, San Francisco, San Luis Obispo, Santa Barbara, Santa Cruz, Sonoma, Sutter, Ventura 146 Yes No 20 years
145 December 2023 and January 2024 Severe Winter Storms Declared by President5 & Governor: San Diego Yes Yes 20 years
December 2023 and January 2024 Severe Winter Storms Declared by Governor only: Humboldt, Imperial, Monterey, San Mateo, Santa Cruz, Ventura 145 Yes No 20 years
August 2023 Smith River Complex Fires Del Norte 144 Yes No 20 years
August 2023 Happy Camp Complex Fires Siskiyou 143 Yes No 20 years
August 2023 Tropical Storm Hilary Fresno, Imperial, Inyo, Kern, Los Angeles, Mono, Orange, Riverside, San Bernadino, San Diego, Tulare, Ventura 142 Yes No 20 years
February 2023 & March 20234 Severe Winter Storms Alameda, Alpine, Amador, Butte, Calaveras, Contra Costa, Del Norte, El Dorado, Fresno, Glenn, Humboldt, Imperial, Inyo, Kern, Kings, Lake, Los Angeles, Madera, Marin, Mariposa, Mendocino, Merced, Modoc, Mono, Monterey, Napa, Nevada, Orange, Placer, Plumas, Riverside, Sacramento, San Benito, San Bernardino, San Diego, San Francisco, San Joaquin, San Luis Obispo, San Mateo, Santa Barbara, Santa Clara, Santa Cruz, Shasta, Sierra, Sonoma, Stanislaus, Trinity, Tulare, Tuolumne, Yolo, Yuba 141 Yes Yes4 20 years
December 2022 & January 2023 Severe Winter Storms Declared by President3 & Governor: Alameda, Butte, Calveras, Colusa, Contra Costa, El Dorado, Fresno, Glenn, Humboldt, Kings, Lake, Los Angeles, Madera, Marin, Mariposa, Mendocino, Merced, Mono, Monterey, Napa, Orange, Placer, Riverside, Sacramento, San Benito, San Bernardino, San Diego, San Francisco, San Joaquin, San Luis Obispo, San Mateo, Santa Barbara, Santa Clara, Santa Cruz, Siskiyou, Solano, Sonoma, Stanislaus, Sutter, Tehama, Trinity, Tulare, Ventura, Yolo, and Yuba 140 Yes Yes3 20 years
December 2022 & January 2023 Severe Winter Storms Declared by Governor only:
All other California counties not listed above		 140 Yes No 20 years
December 2022 Earthquake Humboldt 139 Yes No 20 years
September 2022 Fork, Barnes, & Mountain Fires Madera, Modoc, Siskiyou 136 Yes No 20 years
September 2022 Tropical Storm Kay Imperial, Inyo, Los Angeles, Riverside, San Bernardino 135 Yes No 20 years
September 2022 Fairview & Mosquito Fires El Dorado, Placer, Riverside 133 Yes No 20 years
September 2022 Mill Fire Siskiyou 132 Yes No 20 years
August 2022 Route Fire (Declared November 2022) Los Angeles 138 Yes No 20 years
August 2022 Storm System (Declared November 2022) Alpine, Inyo 137 Yes No 20 years
July 2022 McKinney, China 2, & Evans Fires Siskiyou 131 Yes No 20 years
July 2022 Oak Fire Mariposa 130 Yes No 20 years
June 2022 June Storm System (Declared September 2022) Plumas, Tehama 134 Yes No 20 years
January 2022 Colorado Fire (Declared July 2022) Monterey 129 Yes No 20 years
December 2021 December Winter Storms Alameda, Amador, Calaveras, El Dorado, Humboldt, Lake, Los Angeles, Marin, Monterey, Napa, Nevada, Orange, Placer, Sacramento, San Bernardino, San Luis Obispo, San Mateo, Santa Cruz, Sierra, Trinity, Yuba 127 Yes No 20 years
October 2021 Alisal Fire (Declared July 2022) Santa Barbara 128 Yes No 20 years
September 2021 Fawn Fire Shasta 125 Yes No 20 years
July 2021, August 2021, & September 2021 River Complex, French, Washington, Windy, KNP Complex, & Hopkins Fires Kern, Mendocino, Siskiyou, Trinity, Tulare, Tuolumne 126 Yes No 20 years
August 2021 Cache Fire Lake 124 Yes No 20 years
August 2021 Caldor Fire El Dorado County 123 Yes No 20 years
August 2021 Antelope & River Fires Nevada, Placer, Siskiyou 121 Yes No 20 years
July 2021 & August 2021 Dixie, McFarland & Monument Fires Shasta, Tehama, Trinity 122 Yes No
July 2021 Dixie, Fly & Tamarack Fires Alpine, Butte, Lassen, Plumas 120 Yes No 20 years
June 2021 & July 2021 Lava & Beckwourth Complex Fires Lassen, Plumas, Siskiyou 119 Yes No 20 years
January 2021 Extreme Winds Madera, Mariposa 118 Yes No 20 years
January 2021 Atmospheric River Storm System Monterey, San Luis Obispo 117 Yes No 20 years
September 2020 CA wildfires Fresno, Los Angeles, Madera, Mendocino, Napa, San Bernardino, San Diego, Shasta, Siskiyou, and Sonoma 116 Refer to Code 115 Yes
August 2020 & September 2020 Fires and Extreme Weather Conditions Declared by President & Governor: Butte, Lake, Lassen, Mendocino, Monterey, Napa, San Mateo, Santa Clara, Santa Cruz, Solano, Sonoma, Stanislaus, Trinity, Tulare, and Yolo 115 Yes Yes 20 years
August 2020 & September 2020 Fires and Extreme Weather Conditions Declared by Governor only: All other California counties not listed above 115 Yes No 20 years
October 2019 Extreme Wind and Fire Weather Conditions All California counties 114 Yes No 20 years
October 2019 Kincade and Tick Fires Los Angeles, Sonoma 113 Yes No 20 years
October 2019 Eagle, Reche, Saddleridge, Sandalwood, and Wolf Fires Los Angeles, Riverside 112 Yes No 20 years
July 2019 Earthquake Kern, San Bernardino 111 Yes No 20 years
February 2019 Atmospheric River Storm System Amador, Glenn, Lake, Mendocino, Sonoma 110 Yes No 20 years
January and February 2019 Atmospheric River Storm System Calaveras, El Dorado, Humboldt, Los Angeles, Marin, Mendocino, Modoc, Mono, Monterey, Orange, Riverside, San Bernardino, San Diego, San Mateo, Santa Barbara, Santa Clara, Shasta, Tehama, Trinity, Ventura, Yolo 109 Yes No 20 years
November 2018 Hill & Woolsey Fires Los Angeles, Ventura 108 Yes Yes 20 years
November 2018 Camp Fire Butte 107 Yes Yes 20 years
August 2018 Holy Fire Orange, Riverside 106 Yes No 20 years
July 2018 River2, Ranch & Steele Fires Lake2, Mendocino, Napa 105 Yes No 20 years
July 2018 Ferguson Fire Mariposa 104 Yes No 20 years
July 2018 Carr Fire Shasta 103 Yes Yes 20 years
July 2018 Cranston Fire Riverside 102 Yes No 20 years
July 2018 Monsoonal Rainstorm San Bernardino 101 Yes No 20 years
July 2018 Holiday Fire Santa Barbara 100 Yes No 20 years
July 2018 West Fire San Diego 99 Yes No 20 years
July 2018 Klamathon Fire Siskiyou 98 Yes No 20 years
June 2018 Pawnee Fire Lake 97 Yes No 20 years
March 2018 March Winter Storms Amador, Fresno Kern, Mariposa, Merced, Stanislaus, Tulare, Tuolumne 96 Yes No 20 years
January 2018 Southern California Mudslides Ventura, Santa Barbara 95 Yes Yes 20 years
December 2017 Lilac Fire San Diego 94 Yes Yes 20 years
December 2017 Creek & Rye Fires Los Angeles 93 Yes Yes 20 years
December 2017 Thomas Fire Ventura, Santa Barbara 92 Yes Yes 20 years
October 2017 Severe Winter Storms and Snowmelt Inyo, Mono 91 Yes No 20 years
October 2017 Solano County Atlas Fire Solano 90 Yes Yes 20 years
October 2017 Cherokee, LaPorte, Sulphur, Potter, Cascade, Lobo & Canyon Fires Butte, Lake, Mendocino, Nevada, Orange 89 Yes Yes 20 years
October 2017 Tubbs, Atlas and multiple other fires Napa, Sonoma, Yuba 88 Yes Yes 20 years
September 2017 La Tuna Fires Los Angeles 86 Yes No 20 years
August 2017 & September 2017 Railroad, Pier, Mission & Peak Fires Madera, Mariposa, Tulare 87 Yes No 20 years
August 2017 Ponderosa Fires Butte 85 Yes No 20 years
August 2017 Helena Fires Trinity 84 Yes No 20 years
July 2017 San Bernardino County Rainstorm San Bernardino 82 Yes No 20 years
July 2017 Modoc County Fires Modoc 81 Yes No 20 years
July 2017 Detwiler Fire Mariposa 80 Yes No 20 years
July 2017 Alamo & Whittier Fires Santa Barbara 79 Yes No 20 years
July 2017 Wall Fire Butte 78 Yes No 20 years
February 2017 February Winter Storms Declared by President & Governor: Alameda, Amador, Butte, Calaveras, El Dorado, Humboldt, Lake, Lassen, Marin, Mendocino, Merced, Mono, Monterey, Napa, Nevada, Placer, Plumas, Sacramento, San Benito, San Luis Obispo, Santa Clara, Santa Cruz, Shasta, Sierra, Siskiyou, Sonoma, Sutter, Trinity, Tuolumne, Yolo, Yuba 77.1 Yes Yes 20 years
February 2017 February Winter Storms Governor only: Alpine, Colusa, Del Norte, Fresno, Glenn, Kern, Kings, Los Angeles, Mariposa, Modoc, San Bernardino, San Diego, San Joaquin, San Mateo, Santa Barbara, Stanislaus, Tehama, Ventura, 77.1 Yes No 20 years
January 2017 January Winter Storms Declared by President & Governor: Alameda, Butte, Calaveras, Contra Costa, El Dorado, Humboldt, Inyo, Lake, Lassen, Marin, Mendocino, Merced, Mono, Monterey, Napa, Nevada, Placer, Plumas, Sacramento, San Benito, San Luis Obispo, Santa Clara, Santa Cruz, Shasta, Sierra, Siskiyou, Solano, Sonoma, Sutter, Trinity, Tuolumne, Yolo, Yuba 77 Yes Yes 20 years
January 2017 January Winter Storms Governor only: Alpine, Fresno, Kern, Kings, Los Angeles, Madera, Modoc, Orange, Riverside, San Bernardino, San Diego, San Francisco, San Mateo, Santa Barbara, Stanislaus, Tehama, Tulare, Ventura 77 Yes No 20 years
December 2016 Siskiyou County Rainstorm (Declared August 2017) Siskiyou 83 Yes No 20 years
December 2016 December Winter Storms Del Norte, Humboldt, Mendocino, Shasta, Santa Cruz, Trinity 76 Yes No 20 years
August 2016 Blue Cut Fire San Bernardino 75 Yes No 20 years
August 2016 Clayton Fire Lake 74 Yes No 20 years
August 2016 Chimney Fire San Luis Obispo 73 Yes No 20 years
July 2016 Soberanes Fire Monterey 72 Yes No 20 years
July 2016 Sand Fire Los Angeles 71 Yes No 20 years
June 2016 Erskine Fire Kern 70 Yes No 20 years
December 2015 Carlsbad Rainstorms San Diego (City of Carlsbad) 69 Yes No
October 2015 Rainstorms Inyo, Kern, Los Angeles 68 Yes No 20 years
September 2015 Valley Wildfire Lake[1], Napa 67 Yes Yes[1] 20 years
September 2015 Butte Wildfire Amador, Calaveras[1] 66 Yes Yes[1] 20 years
July 2015 Severe Rainstorms Imperial, Kern, Los Angeles, Riverside, San Bernardino, San Diego 65 Yes No 20 years
July 2015 Wildfire Lake, Trinity 64 Yes No 20 years
June 2015 Wildfire Butte, El Dorado, Humboldt, Lake, Madera, Napa, Nevada, Sacramento, San Bernardino, San Diego, Shasta, Solano, Tulare, Tuolumne, Yolo 63 Yes No 20 years
May 2015 Oil Spill Santa Barbara 62 Yes No 20 years
February 2015 Severe Rainstorms Humboldt, Mendocino, Siskiyou 61 Yes No 20 years
February 2015 Mono Wildfire Mono 60 Yes No 20 years

[1] For taxable years beginning on or after January 1, 2014 and before January 1, 2024, the state throwback election may be made on or before the later of:

  • The due date of the tax return, including extensions, for the taxable year in which the disaster actually occured.
  • The due date of the tax return, including extensions, for the taxable year immediately preceding the tax year of occurence.

Note - For taxable years on or before January 1, 2014, if California legislature passed legislation that extends the election date by listing the disaster in R&TC, the state throwback election could be made.

[2] The President declared a major disaster for Lake County.

[3] The President declared major disasters for Severe Winter Storms, get the Internal Revenue Service announcement CA 2023-01 and CA 2023-02 for affected counties.

[4] The President declared major disasters for Severe Winter Storms, get the Internal Revenue Service announcement CA 2023-03 for affected counties.

[5] The President declared a major disaster for Severe Winter Storms, get the Internal Revenue Service announcement CA-2024-02.

[6] For any given state of emergency or presidential disaster declaration, that triggers Internal Revenue Service (IRS) tax relief/postponement in California, the DOF will evaluate any filing and or payment postponement in response to each declaration or emergency on a case-by-case basis, consistent with existing authority per Revenue and Taxation Code section 18572.

Last updated: 05/21/2026