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Missouri Income Taxes and MO State Tax Forms

Missouri State Income Taxes for Tax Year 2020 (January 1 - Dec. 31, 2020) can be prepared and e-Filed now along with an IRS or Federal Income Tax Return.  Federal Tax Return deadline details. Details on how to only prepare and file a 2020 MO Tax Return without a Federal Return.  Attention: The latest deadline for e-filing Missouri State Tax Returns is April 15, 2021 May 17, 2021.

efile Missouri tax return
"The Magnolia State"

The 2020 Missouri State Income Tax Return forms for Tax Year 2020 (Jan. 1 - Dec. 31, 2020) can be e-Filed together with the IRS Income Tax Return by the April 15, 2021 May 17, 2021 due dateIf you file a tax extension you can e-File your Taxes until October 15, 2021 without a late filing penalty. However, if you owe Taxes and don't pay on time, you might face late tax payment penalties. Tip: File on time, even if you can't pay on time, as the late filing penalties are higher than the late payment penalties.

Prepare and e-file your IRS and Missouri State Tax Return now: e.g resident, nonresident, or part-year resident returns. For your information the IRS and the respective State Tax Agencies require you to e-file a Federal Income Tax Return at the same time you e-file a State Tax Return. This is not an eFile.com policy but an IRS and State Agency policy. Therefore, you cannot e-File a Missouri Tax Return anywhere - not just eFile.com - without also e-filing the associated IRS Tax Return. However, please read on for good news. 

Find detailed instructions on how you can only prepare and mail in - not eFile - a Missouri 2020 Tax Return - here via eFile.com. However, you must download/print and sign the forms and mail them to the Tax Agency.

Where Is Your Missouri Tax Refund Money?
Step 1: Sign into your eFile.com account and check acceptance by the Tax Agency.
Step 2: Check your Missouri Tax Refund Status.
Where is Your IRS Refund?
Step 1: Sign into your eFile.com account and check acceptance by the IRS.
Step 2: Check your IRS Tax Refund Status.
Missouri Income Tax Extension
Missouri Income Tax Amendment
How to correct a rejected Tax Return
If your MO Tax Return was rejected by the MO Tax Agency - not eFile.com - instructions on how to correct a rejected Missouri Tax Return.
Missouri IRS Late Filing, Tax Payment Penalties
1. Late Filing Penalty: The failure to file penalty is 5% of the taxes owed per month it's not submitted. The total penalty will not go over 25%.
2. Late Payment Penalty: The failure to pay penalty is the same as the failure to file penalty.
3. IRS Penalties:Calculate and Estimate your potential IRS Income Tax Return Penalties.
MO Tax Return Mailing Addresses
Find various Missouri Mailing Addresses for tax returns, tax amendments, and tax payments. 
Missouri Income Tax Brackets
Missouri Income Tax Forms
Missouri Unemployment Benefits
Missouri fully taxes unemployment income at the state level.


Start Federal and Missouri Tax Returns

2021 Missouri Income Tax Filing Deadlines by Tax Year

The majority of deadlines listed here are for Tax Year 2020. Some apply to upcoming Tax Years and some are IRS or Federal deadlines.

April 15, 2021
Tax Year 2020
Income Tax Return
Prepare and e-File an IRS (Due Date April 15, 2021) a Missouri State Income Tax Return (Due Date April 15, 2021) until October 15, 2021. - eFileIT*
April 15, 2021
2020 Income Tax Extension
October 15, 2021
Tax Year 2020
Income Tax Return after the April 15, 2021 Missouri Tax Extension
Last day to e-File a 2020 Missouri State Income Tax Return for Tax Extension Filers and late eFilers. You can only e-File (to file by paper see below) Missouri Income Tax Return together with an IRS Tax Return. eFileIT*
October 15, 2021 via mail-in Forms.
Forms incl. Mailing Address are listed below.
Tax Year 2020
Income Tax Return after the April 15, 2021 Missouri Tax Extension
Deadline for taxpayers who got a MO Tax Extension to file their MO Income Tax Return by mail-in Forms - the Forms incl. mailing addresses are listed below - is October 15, 2021. (Optionally, the eFileIT* deadline is Oct. 15, 2021). Instructions on how to only - without the IRS return - prepare and file a Missouri State Income Tax Return on eFile.com.
Tax Amendment for all Tax Years
IRS Due Dates
IRS Tax Return, Extension, Amendment Deadlines
2021, 2022, etc.
Other State Tax Return, Extension, Amendment Deadlines
Select respective State Tax Return Deadlines.
2021, 2022, etc.
IRS Federal Income Tax Return, Amendment, Extension Deadlines
April 15, 2024
2020 Missouri Income Tax Return Refund.
IRS Tax Return Refund Claim Deadline
The last day to file - you will not face late filing penalties - and claim your 2020 Missouri Income Tax Return Refund. This deadline does not apply if you owe 2020 Income Taxes.

E-File These 2020 Missouri State Tax Forms

Prepare and e-file these state forms for 2020 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.

eFileIT Now*
Form MO-2ENT
Statement of Income Tax Payments for Nonresident Entertainers
Form MO-1040
Income Tax Return
Form MO-A
Income Tax Adjustments
Champion of Children Tax Credit
Form MO-CR
Credit for Income Taxes Paid to Other States
Certification of Rent Paid
Non/Part-Year Resident Income Percentage
Property Tax Credit Claim
Property Tax Credit Schedule
Shared Care Tax Credit
Self-Employed Health Insurance Tax Credit
Form MO-TC
Miscellaneous Income Tax Credits
Form 5632
529 Education Savings Plan Direct Deposit Form
Determines your paycheck MO Tax Withholding amount per employer.
Step 1: Complete and submit to your employer(s).
Step 2: Estimate, Calculate your IRS Tax Withholding now.
Not filed with the State. Submit to Employer only.

* 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.

Missouri Tax Extension

If you are certain that you cannot file your Missouri return by the deadline, you do not need to file for an extension. You will receive a 6-month extension of time to file your return (not to pay). The extended tax return due date is October 15, 2021. Please be aware that Missouri will not accept the federal extension form as an extension for your Missouri tax return. However, if you expect to owe income taxes, you should submit your payment with extension payment voucher Form MO-60. If you efiled your return and are making a payment by check or money order, you must complete a Form MO-60 on eFile.com. If you are making a payment by credit card, a Form MO-60 is not needed. If you are making an extension payment, you also must use Form MO-60 unless it is made electronically. Use eFile.com and prepare an Missouri tax return to find out what your Missouri state income tax payment will be.

The deadline to e-file an IRS extension for 2020 Tax Returns is April 15, 2021. e-File a 2020 Tax Extension for free on eFile.com. Here are instructions on whether you should consider a Tax Extension or not.

The extended Missouri/IRS eFile deadline is Oct. 15, 2021 - eFileIT* now. If you plan to file or mail-in a Missouri tax return on paper - the Forms and Mailing Address are below - your due date is Oct. 15, 2021. After Oct. 15, 2021, you can complete and sign 2020 Missouri Tax Forms online here on eFile, before you download, print and mail them to the state tax agency. The address is on the form. 

Missouri State Tax Payment Options
You can select one of these payment options either after you have e-filed or filed your 2020 Missouri Tax Return. Alternatively, you can pay Missouri income taxes here prior to filing (e.g in the case of an extension). Plus, you can make online Missouri tax estimate payments for next tax year. If you eFiled your taxes and pay online, you do not have to send in Missouri paper forms (e.g. payer tax return, extension form, or tax estimate form). 
Go to the Missouri-NCR Payments site to submit your payment via e-Check.  On their site, click "Make a one-time payment", and select "Personal Income Tax" as the payment category.  Then choose "Personal Income Tax Balance Due or Billing Notice" as the payment type.  You will need to enter your SSN to verify your information.
Please be aware there is a handling fee of 50 cents to pay via e-Check.
Submit a tax payment through the NCR Payments site. When you're on the site, select "Make a one-time payment" and "Personal Income Tax" as the payment category, then follow the on-screen prompts to enter and submit your information (e.g. SSN, Tax Year, Form Type, Filing Status).
Use this payment option if you want to pay your tax payment via your credit or debit card. There is a convenience fee depending on your transaction amount.
Transaction amount from $0-$50, a convenience fee of $1.25.
Transaction amount from $50.01-$75, a convenience fee of $1.75.
Transaction amount from $75.01-$100, a convenience fee of $2.15.
Transaction amount $100.01 and up, a convenience fee of 2.15%.
Check or Money Order with Form MO-1040V
Complete voucher Form MO-1040V and attach it to your check or money order payable to "Missouri Department of Revenue". Write your Name, Address, SSN, Daytime Telephone Number, and
“2020 MO Income Tax on the check. Mail them to the Form MO-1040V address below.
Use this payment option if you wish to submit your payment via check or money order in the mail. 
Estimated Tax Payment Options
Choose one of these options: 1) Go to Missouri NCR Payments site to submit your estimated payment and choose "Personal Income Tax" and "Estimated tax payment (1040ES)".  2) Pay via e-Check by sending tax payments from your bank account.  3) Pay via credit or debit card through Missouri NCR site (choose the "Personal Income Tax" and "Estimated tax payment (1040ES)" options). Be aware that a service fee is added to each payment you submit with your card. 4) Complete voucher Form 1040ES. Attach a check or money order for the tax period payable to "Missouri Department of Revenue".  Mail the voucher and check/money order to the Form 1040ES address here.
Use one of these payment options if you want to submit estimated taxes rather than submit all your taxes owed at once. 
Many of these online IRS tax payment options can be used before or after you e-Filed your Income Taxes. You can pay tax extension and tax estimate payments. For estimate payments, you do not have to submit a form. Extension you can eFile on eFile.com for free.
These payment options are independent from you preparing and eFiling your tax returns on eFile.com. eFile.com offers these payment options for the convenience of all tax payers.


Missouri Tax Return, Amendment, etc. Mailing Addresses
Addresses to mail Missouri Tax Returns, Amendments, Extensions, or Tax Payments.
MO Tax Return or Amended Tax Return: Address if you expect a Tax Refund on your Tax Return
Individual Income Tax
P.O. Box 500
Jefferson City, MO 65106-0500
MO Tax Return or Amended Return: Address if you owe Taxes and include payment.
Individual Income Tax
P.O. Box 329
Jefferson City, MO 65107-0329
MO Tax Extension: Address if you owe Taxes and include payment. Tax Extension Payments, include Form MO-60. Tip: Make Tax Payments online and you will not have to mail in the Form MO-60.  See above.
Taxation Division
P.O. Box 3400
Jefferson City, MO 65105-3400
MO Tax Payment: include voucher Form MO-1040V
Missouri Department of Revenue
P.O. Box 371
Jefferson City, MO 65105-0371
MO Tax Estimate Payments: include Tax year 2021 Form 1040ES.
Missouri Department of Revenue
P.O. Box 555
Jefferson City, MO 65105-0555


Other U.S. States, Territories, and Protectorates.