Corp Tax Due Date 2025. If you’re a c corporation or llc electing to file your taxes as one for the 2024 tax year, your corporate tax return is due on april 15th, 2025—unless you use your own fiscal calendar, in which case it’s due on the 15th of the 4th month. 2024 federal taxes are due with payment if owed for corporations.
For example, calendar year partnerships must file form 1065 by march 17, 2025, but. You can apply for a filing extension up to (and including) april 15, 2025.