Oklahoma Income Taxes
"The Sooner State"
Prepare and e-File your current Oklahoma State Tax return - resident, nonresident, or part-year resident returns - with your IRS return via eFile.com.
- State return only regulations*): Per IRS and Oklahoma state tax agency regulation - not eFile.com - you can NOT just prepare and e-File a state return (with the exception of California) without also eFiling the IRS return on the same platform. If you have filed your federal return already, you can prepare an Oklahoma state return on eFile.com and then download, print, and sign the return before you mail it in. Instructions on ONLY preparing and not e-Filing Oklahoma and/or other state tax returns.
Oklahoma State Income Tax Rate: 4.75%
Prepare only an OK State Return
Where is Your IRS Refund?
Oklahoma Income Tax Extension
Oklahoma Income Tax Amendment
Oklahoma IRS Late Filing, Tax Payment Penalties
1. Late Filing Penalty: There is only a late payment penalty as detailed below.
2. Late Payment Penalty: A delinquent penalty is charged when at least 90% of the tax is not paid by the deadline. The penalty amounts to 5%. A one-time 5% delinquent penalty and interest accruing at 1.25% per month will be charged on any taxes owed not paid by the original tax return due date.
3. IRS Penalties:
Calculate and Estimate your potential IRS Income Tax Return Penalties
Oklahoma Income Tax Brackets
Oklahoma Income Tax Forms
Oklahoma Unemployment Benefits
Oklahoma applies state taxes to unemployment income at the federal level.
Oklahoma Marriage Penalty
Start Federal and Oklahoma Tax Returns
E-File These Oklahoma State Tax Forms
Prepare and e-file these state forms for current tax year in conjunction with your federal and state income tax return. As you proceed through the tax interview on eFile.com, the application will select the correct state forms for you. You can also select tax forms individually. All these forms will then be e-filed by you to the state tax agency. Instructions on how to only prepare a state income tax return.
OK-W-4 - Employee’s State Withholding Allowance Certificate
OW-8-ES - Oklahoma Individual Estimated Tax Worksheet for Individuals
504-I - Application for Extension of Time to File an Oklahoma Income Tax Return for Individuals
511 - Oklahoma State Tax Resident Individual Income Tax Return
511-V - Oklahoma Individual Income Tax Payment Voucher
511CR - Other Credits Form
511NR - Oklahoma Nonresident / Part-Year Individual Income Tax Return
538-H - Claim for Credit or Refund of Property Tax
561 - Oklahoma Capital Gain Deduction for Residents Filing Form 511
564 - Credit for Employees in the Aerospace Sector
577 - Refundable Coal Credit
OW-8-P - Underpayment of Estimated Tax Worksheet
* Due to IRS and State Tax Agency tax data sharing and validation requirements, you can only e-file a State Income Tax Return while also e-filing a Federal Income Tax Return. This is not an eFile.com created policy, but all online tax web sites have to adhere to this IRS/state issued tax data sharing policy. You can however prepare all 44 State Income Tax Returns on eFile.com if you have already e-Filed or filed your IRS return. Instructions on how you can ONLY prepare and file State Income Tax Return(s). Only on eFile.com can you prepare, file or e-file unlimited State Tax Returns for one low price and not pay for each State return like you would do on H&R Block® vs. TurboTax®. Dare to Compare Now.
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