City Income Tax Filing
MANDATORY - EVEN IF NO TAX IS DUE
Individual Returns - *NOTE*
The deadline to file your City of Deer Park taxes and have any balance due paid is April 18,2023.
City phone: 513-794-8860. Tax 513-794-8863. Fax 513-794-8866. Our website www.deerpark-oh.gov has phone numbers, email addresses, and secure email option. There is also a drop box in the municipal parking lot.
1st payment - with filing, by April 18th
2nd payment - by June 15th
3rd payment - by September 15th
4th payment - by January 15th
Balance Due with next filing, April 15th
Business Returns - On or before May 17th or the 15th day of the 4th month following the end of fiscal year.
2nd payment - 15th of the sixth month after fiscal year end (or 6/15)
3rd payment - 15th of the ninth month after fiscal year end (or 9/15)
4th payment - 15th of the twelfth month after fiscal year end (or 12/15)
Balance Due with next filing, 15th of the fourth month after FYE
Withholding Reconciliations - On or before February 28th.