Helpful Resources
Useful links, forms, and tools from the IRS, Ohio Department of Taxation, and other trusted sources — all in one place.
Federal Tax Resources
Official IRS tools and publications for individuals and businesses.
Ohio Tax Resources
Ohio Department of Taxation tools for individuals and businesses.
Ohio Department of Taxation
Official Ohio tax agency — file returns, make payments, and find forms.
Ohio Income Tax Filing
File your Ohio IT 1040 individual income tax return online.
Ohio Business Tax Filing
File Ohio business taxes including CAT, employer withholding, and sales tax.
Ohio Where's My Refund?
Check the status of your Ohio state income tax refund.
Ohio School District Income Tax
Look up your school district tax rate and filing requirements.
Ohio Business Gateway
Register a business, file returns, and manage Ohio tax accounts online.
City & Local Tax Resources
Ohio has one of the most complex local tax systems in the country. Most cities and villages levy their own income tax, and many residents owe taxes to more than one municipality.
RITA — Regional Income Tax Agency
Administers municipal income taxes for over 350 Ohio cities and villages. File returns, make payments, and look up rates.
CCA — Central Collection Agency
Handles municipal tax collection for Cleveland and many other Northeast Ohio municipalities.
Columbus Income Tax Division
File and pay Columbus city income tax, look up rates, and find forms for the City of Columbus.
Ohio Municipality Lookup Tool
Find the municipal income tax rate for any Ohio address using the Ohio Department of Taxation's lookup tool.
Ohio School District Income Tax Lookup
Determine whether your address falls within a school district that levies an additional income tax.
Ohio Municipal Net Profit Tax
Businesses operating in multiple Ohio municipalities can elect to file a single centralized return through the state.
Most Ohio residents who live and work in different municipalities owe taxes to both. If you're unsure what local taxes apply to your situation, we're happy to help sort it out.
Key Tax Deadlines
Important dates to keep on your radar. Deadlines that fall on a weekend or holiday shift to the next business day.
W-2s and most 1099s must be sent to recipients by employers and payers.
Federal and Ohio individual income tax returns due. First quarter estimated tax payment due.
Second quarter federal estimated tax payment due.
Third quarter federal estimated tax payment due. Extended partnership and S-corp returns due.
Extended individual federal and Ohio income tax returns due.
Fourth quarter federal estimated tax payment due (prior year).
Commonly Used Forms
Direct links to frequently needed IRS and Ohio tax forms.
Form 1040 — Individual Income Tax Return
The main federal individual income tax return.
Form W-4 — Employee's Withholding Certificate
Complete this form to tell your employer how much to withhold.
Form W-9 — Request for Taxpayer Identification
Used by contractors and freelancers to provide their tax ID to clients.
Form 1040-ES — Estimated Tax for Individuals
Use this to calculate and pay quarterly estimated taxes.
Form 4868 — Extension of Time to File
Request an automatic 6-month extension to file your federal return.
Ohio IT 1040 — Individual Income Tax Return
Ohio's individual income tax return form.
Form SS-4 — Apply for an EIN
Apply for a federal Employer Identification Number for your business.
Have Questions?
If you can't find what you're looking for, or you're not sure how something applies to your situation, just reach out.