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Tax Department
NOTICE:
CITY INCOME TAX HOURS
7:30 A.M. - 4:00 P.M. MONDAY-FRIDAY
In order to process your 2025 City Income Tax Return
you must have a Copy of your Federal 1040,
W-2's and all applicable Schedules.
(JEDD Information/Forms At Bottom Of Page)
- Individuals can now file online, mail or place in the night drop at the City Administration Building or file their taxes in person by April 15, 2026 (see important notice below)
- Businesses can file their taxes in person or through the Ohio Business Gateway.
- Individual(Resident) Payments can be paid online.
- Income Tax Rate Change effective January 1, 2026
Current Rate - 1.95%
New Rate - 1.75%
IMPORTANT CITY OF WASHINGTON INCOME TAX INFORMATION
“NEW” Individual Online Filing
Taxpayers use of electronic resources and professional tax preparation services has grown significantly. As a result, the City of Washington is discontinuing the mailing of blank individual tax forms.
How Do I File? The City of Washington now offers a convenient and secure E-Filing option that can be accessed at: https://www.mitstaxonline.com/washingtonch/
If income tax is due, you have the option to pay the amount when submitting the E-File return. Please note that there will be a processing fee charged by the third-party merchant at the time of payment. If you prefer to mail your payment, please include a copy of the finalized return with your payment. You can also pay online by clicking the online bill pay located on this website and make a payment without incurring a fee. Online Payments
Where can I get a form? Blank City of Washington income tax forms will be available in our lobby, at the Carnegie Public Library or downloaded (here). With the tax return you must include W-2’s, 1099’s, page 1 of your Federal 1040 and (if applicable) Schedules 1, C, E, F & K-1.
Due Date: April 15th
(Due date may vary due to weekends, Emancipation Day or the I.R.S. extending the due date)
The City of Washington Tax office is open 7:30-4:00 Monday – Friday
Located at 117 N. Main St., Washington C.H.
(If you need assistance, please stop by the office early in the season to avoid long lines)
Phone 740-636-2342 – Email incometax@cityofwch.com
By October 31 of each year, the interest rate that will apply to overdue municipal income taxes during the next calendar year will be posted herein, as required by Ohio Revised Code Section 718.27(F).
Interest shall be imposed on all unpaid income and employer withholding tax. The interest rate to be applied each calendar year is calculated by adding five percentage points to the federal short-term rate rounded to the nearest whole number percent. The rate shall apply for the calendar year that was in effect following the July of the year in which the federal short-term rate is determined under Section 1274 of the Internal Revenue Code and Ohio Revised Code Section 718.27(A)(5).
Based on these requirements, the applicable interest rate is as follows:
Calendar Year Annual Rate
2026 9.0%
2025 10.0%
2024 10.0%
2023 7.0%
2022 5.0%
2021 5.0%
2020 7.0%
2019 7.0%
2018 6.0%
2017 6.0%
2016 5.0%
2015 and prior 12.00