The IRS has extended tax deadlines to October 15, 2025, for victims of the January 2025 California wildfires. The relief covers tax return filings, estimated payments, and penalty waivers. Affected individuals and businesses can also claim casualty losses on past returns for quicker refunds. Residents of federally declared disaster zones, including Los Angeles County, qualify automatically. For eligibility details and support, visit irs.gov or call 866-562-5227.