Tax Deadline 2024 San Diego California. Pit payments and pit quarterly estimated tax payments that are for the. — 2023 tax year payments due between january 21, 2024, and june 17, 2024.
— 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 taxes until june 17,.