Tax Deadline 2024 San Diego. 2024 estimated tax payments normally due on april 15, 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 through june 17, 2024.
31 and april 30, 2024. San diego county residents and businesses now have until june 17 to file individual and business tax returns and pay federal taxes, the internal revenue service announced tuesday.