| Tax Type | Form | Due |
| Individual Income 2025 | Individual | 4/15/2026 |
| Individual Income 2026 Quarterly Estimate | IDI-20 | 1st Estimated Payment: 4/15/2026 2nd Estimated Payment: 6/15/2026 3rd Estimated Payment: 9/15/2026 4th Estimated Payment: 1/15/2027 |
| Business Income 2025 | Business | 4/15/2026 |
| Business Income 2026 Quarterly | BDI-20 | 1st Estimated Payment: 4/15/2026 2nd Estimated Payment: 6/16/2026 3rd Estimated Payment: 9/15/2026 4th Estimated Payment: 12/15/2026 |
| Employer Withholding Quarterly | Q-# | Last day of the following month |
| Employer Withholding Monthly | M-# | 15th day of the following month |
| Employer Withholding Annually | W-3 | February 28 |
Appointments may be requested by calling Engage Toledo 419-936-2020 or emailing incometax@toledo.oh.gov.