Tax Deadline 2024 San Diego. The due date to file your california state tax return and pay any balance due is april 15, 2024. You may now search and pay for secured, unsecured, defaulted, supplemental and escape tax bills.

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. 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 taxes until.