Tax Deadline 2024 San Diego. 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. Individual income tax returns and payments normally due on april 15, 2024,.
San diego county residents have until oct. San diegons now have until june 17, 2024 to (i) file their 2023 federal and california income tax returns, (ii) pay the amount due with their 2023 federal and.