Tax Deadline 2024 San Diego. The irs tax filing deadline is monday, june 17 for san diego county residents after the irs postponed tax filing and payment deadlines for people living in the area following. Individual income tax returns and payments normally due on april 15, 2024, along with.

Quarterly payroll and excise tax returns normally due on jan. Individuals and businesses with their principal residence or place of business in san diego county will have until june 17, 2024, to file certain california individual and business tax.