California winter storm victims have additional time to file various federal individual and business tax returns and make tax payments. To see if you qualify, review the list of storms and offered relief below. March 9, 2023, severe winter storms, flooding, landslides and mudslides New tax deadline: Nov. 16, 2023, for returns and payments originally due between March 9, 2023, and Oct. 16, 2023 Affected counties: Alpine, Amador, Butte, Calaveras, Del Norte, El Dorado, Fresno, Glenn, Humboldt, Imperial, Inyo, Kern, Kings, Lake, Los Angeles, Madera, Mariposa, Mendocino, Merced, Mono, Monterey, Napa, Nevada, Orange, Placer, Plumas, Sacramento, San Benito, San Bernardino, San Francisco, San Joaquin, San Mateo, San Luis Obispo, Santa Barbara, Santa Clara, Santa Cruz, Sierra, Sonoma, Stanislaus, Trinity, Tulare, Tuolumne and Yuba Detailed information: CA-2023-03, IRS provides tax relief for victims of severe winter storms, flooding, landslides and mudslides in California Jan. 8, 2023, severe winter storms, flooding and mudslides New tax deadline: Nov. 16, for returns and payments due originally due between Jan. 8, 2023, and Oct. 16, 2023 Affected counties: Alameda, 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, Solano, Sonoma, Stanislaus, Sutter, Tehama, Tulare, Ventura, Yolo and Yuba More information: CA-2023-01, IRS announces tax relief for victims of severe winter storms, flooding, and mudslides in California Dec. 27, 2022, severe winter storms, flooding, landslides and mudslides New tax deadline: Nov. 16, 2023, for returns and payments originally due between Dec. 27, 2022, and Oct. 16, 2023 Affected counties: Alameda, Alpine, Amador, Butte, Calaveras, Colusa, Contra Costa, Del Norte, El Dorado, Fresno, Glenn, Humboldt (includes the Hoopa Valley Tribal Nation), Inyo, Los Angeles, Madera, Marin, Mariposa, Mendocino, Merced, Monterey, Napa, Nevada, Placer, Sacramento, San Benito, San Joaquin, San Luis Obispo, San Mateo, Santa Barbara, Santa Clara, Santa Cruz, San Diego, San Francisco, Siskiyou, Solano, Sonoma, Stanislaus, Sutter, Tehama, Trinity, Tulare, Tuolumne, Ventura and Yolo More information: CA-2023-02, IRS announces tax relief for victims of severe winter storms, flooding, landslides, and mudslides in California Issued guidance For California storm victims, IRS postpones tax-filing and tax-payment deadline to Nov. 16 IR-2023-189, Oct. 16, 2023 Oct. 16 tax filing extension deadline nears for millions of taxpayers IR-2023-183, Sept. 29, 2023 IRS reminder to storm victims in 3 states: File and pay by Oct. 16; most of California, parts of Alabama and Georgia affected IR-2023-174, Sept. 19, 2023 IRS announces tax relief for victims of severe winter storms, straight-line winds, flooding, landslides, and mudslides in California CA-2023-04, May 4, 2023 IRS provides tax relief for victims of severe winter storms, flooding, landslides and mudslides in California CA-2023-03, March 17, 2023 IRS: May 15 tax deadline extended to Oct. 16 for disaster area taxpayers in California, Alabama and Georgia IR-2023-33, Feb. 24, 2023 IRS announces tax relief for victims of severe winter storms, flooding, landslides, and mudslides in California CA-2023-02, Jan. 24, 2023 IRS: California storm victims qualify for tax relief; April 18 deadline, other dates extended to May 15 IR-2023-03, Jan. 10, 2023 IRS announces tax relief for victims of severe winter storms, flooding, and mudslides in California CA-2023-01, Jan. 10, 2023 More California wildfire relief from IRS: Sept. 15, Oct. 15 deadlines, other dates further extended to Jan. 3 for certain areas IR-2021-224, Nov. 15, 2021 IRS announces tax relief for victims of wildfires in California CA-2021-03, Aug. 27, 2021 IRS announces tax relief for September California wildfire victims CA-2020-07, Oct. 19, 2020 IRS provides tax relief for victims of September wildfires in California; Oct. 15 deadline, other dates extended to Jan. 15 IR-2020-237, Oct. 19, 2020 IRS announces tax relief for California wildfire victims CA-2020-06, Aug. 26, 2020 IRS provides tax relief for victims of California wildfires; Oct. 15 deadline, other dates extended to Dec. 15 IR-2020-191, Aug. 24, 2020 Tax relief for victims of November 8 wildfires in California CA-2018-13, Nov. 13, 2018 Tax relief for victims of wildfires and high winds in Northern California CA-2018-11, Aug. 6, 2018 Tax Relief for Victims of Wildfires in California CA-2017-06, Oct. 13, 2017 IRS Explains Tax Treatment of Settlement Payments to Some Carson Homeowners CA-2017-001, Aug. 17, 2017 How to contact your local IRS office