City of Detroit Fiduciary Income Taxes
Annual Return Due Dates
Calendar Year Filers
Due on the 15th day of the 4th month after the tax year ends.
Fiscal Year Filers
Due on the 15th day of the 4th month after the tax year ends.
Note: If a due date falls on a Saturday, Sunday, or State holiday, the due date will be the next business day.
Estimated Payment Due Dates
Calendar Year Filers
The first payment must be filed on or before April 15. The estimated tax is payable in equal installments on or before:
- April 15
- June 15
- September 15
- January 15
Fiscal Year Filers
The first payment for a fiscal year filer must be filled on or before the 15th day of the 4th month of the fiscal year.
For example: If your fiscal year begins on April 1, your first payment will be due on July 15. Remaining installments will then be due on the 15th day of the 6th, 9th and 13th months of the fiscal year.
Note: If a payment date falls on a Saturday, Sunday, or State holiday, the due date will be the next business day.