San Diego Tax Due Dates 2024. 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.
Quarterly payroll and excise tax returns normally due on jan. San diego county individuals and businesses impacted by severe storms and flooding that began on january 21, 2024, qualify for an extension to file and pay.
