California Sales Tax Due Dates 2024 Olympics. Key dates and deadlines with the state of california will depend on your business type, how your business is structured, and whether you have any employees. For quarterly filers, sales tax returns are due on the 20th of the month following the end of the reporting quarter.
Below, i’ll provide you with key payroll tax due dates and deadlines specific to california for the tax year 2024. On this page we have compiled a calendar of all sales tax due dates for california, broken down by filing frequency.