Income Tax Extension Deadline 2024 Ny. If you requested an extension before april 15, 2024, you have extra time to file your return. In 2024, businesses in new york city have several important tax deadlines beyond the april 15th state and federal returns deadline.

New york state income taxes are also due on april 15. The new york department of taxation and finance announced the start of the 2024 income tax filing season.