Tax Due Date 2024 San Diego 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. 30% are between 50 and 70 years old, and about 10% are 70 years old or older.

Quarterly payroll and excise tax returns normally due on jan. The irs is offering relief to any.