When Are Taxes Due 2024 For San Diego. 31 and april 30, 2024. The california tax deadline extension covers tax filing and payment deadlines initially falling between january 21, 2024, and june 17, 2024.

Affected individuals and businesses in san diego county now have until june 17 to file their tax returns and pay federal and state taxes due between january 21. Irs postpones various tax filing and tax payment deadlines for storm and flooding victims in san diego county in california.