San Diego Tax Due Dates 2024. — if you live or work in san diego county and were affected by storms and flooding, you have until june 17, 2024, to file and pay your federal and state taxes. — irs postpones various tax filing and tax payment deadlines for storm and flooding victims in san diego county in california.
— affected taxpayers in san diego county have until june 17, 2024 to file and pay their federal and state taxes due between january 21 and june 17, 2024. Affected taxpayers in certain counties.