If you lived or earned income in Missouri during 2022, it's essential to understand how to file your state tax return correctly and on time. Missouri requires most residents and some nonresidents to file an income tax return if they meet certain income thresholds or have Missouri taxes withheld. Filing ensures you're meeting your legal obligations and, in many cases, allows you to claim a refund or avoid penalties.
This guide walks you through the entire process of preparing and submitting your Missouri tax return for 2022. Whether you’re a full-time resident, a part-year resident, or someone who earned wages in Missouri while living elsewhere, you’ll learn how to determine if you need to file, which forms to use, how to request an extension if required, and what steps to take to pay or track your refund. The content is designed for individuals and small business owners filing for the calendar year.
Everything here is based on official guidance from the Missouri Department of Revenue and applies only to the 2022 tax year, with returns typically due in April 2023. Even if you've missed the original due date, this guide will help you understand what to do next and how to complete the process accurately. Before getting started, gather your federal tax return and income documents, as these form the basis of your Missouri income tax return.
Filing a Missouri tax return for 2022 depends on your income level, filing status, and residency. If you were required to file a federal return for the year, you may also need to file with the Missouri Department of Revenue. Missouri uses your federal adjusted gross income as the starting point to determine whether you must file a state income tax return.
You must file a 2022 Missouri income tax return if your gross income meets or exceeds the following thresholds:
These requirements apply to calendar year filers who are full-year Missouri residents. If your income falls below these limits but you had Missouri taxes withheld from your wages, it is still recommended that you file so you can claim a refund.
Even if you filed a federal return, you may not need to file a Missouri return if any of the following apply:
If you had no Missouri tax liability for the year and expect none in future years, you may also file the Missouri Form MO W-4 to request exemption from future withholding.
You should file a 2022 Missouri income tax return if any of the following are true:
Before starting your Missouri return, have your completed federal return, W-2s, 1099s, and records for deductions like rent or charitable contributions ready.
Enter your personal information and select your filing status exactly as you did on your federal tax return.
Start with the adjusted gross income listed on your federal return, then modify it using Form MO-A if needed for Missouri-specific income changes.
Apply any additions or subtractions to your federal income to get your Missouri adjusted gross income, which helps determine your eligibility for deductions.
Subtract the standard or itemized deduction and exemptions to calculate the amount of income that will be taxed.
Use the Missouri tax table to find your base tax, then subtract any credits you’re eligible for using Form MO-TC or MO-PTS.
Subtract any credits and tax withheld from your total tax. You'll get a refund if you paid too much; otherwise, you'll owe the difference.
Check all figures for accuracy, attach supporting forms, and sign your return. If filing jointly, both spouses must sign.
Even minor errors on your Missouri income tax return can lead to processing delays, lost refunds, or unnecessary penalties. The Missouri Department of Revenue highlights several common mistakes that can be avoided with a careful final review.
Carefully reviewing your return before you mail or e-file can help prevent costly delays and the need to amend it later.
Missouri offers multiple ways to submit your 2022 tax return. Electronic filing is the fastest and most accurate, but you can also mail a paper return.
Electronic filing is available 24/7 and is generally the most efficient way to file. Missouri partners with the IRS to allow joint federal and state filing through approved vendors.
You may also file through an authorized tax professional or Electronic Return Originator (ERO).
If you choose to file by mail, send your completed forms and all attachments to the correct address based on your situation:
You can also submit 2D barcode returns if using approved tax software. This barcode allows for faster processing than traditional paper returns.
In limited cases, you may submit your Missouri individual income tax return or Property Tax Credit Claim via email to incometaxprocessing@dor.mo.gov. Make sure all forms are complete and properly formatted.
Whether you file online or by mail, always save a copy of your return for your records and confirm submission.
Several payment options are available if you owe Missouri income tax for 2022. You can pay online, by mail, or request a payment plan if you cannot pay in full by the deadline.
Missouri offers a secure online payment portal for individuals.
Online payments are considered submitted on the date you initiate the transaction. Be sure to complete the process before the April 18, 2023, deadline.
If paying by check or money order:
Mail your payment to the appropriate address on the voucher or return form.
Filing an extension (via Form MO-60) gives you more time to file your return, but does not extend the time to pay. If you cannot pay the full amount, Missouri offers installment agreements. Visit dor.mo.gov/taxation/payment-options/ to request a plan.
Late payments are subject to a 5% penalty and interest charges based on Missouri’s annual rate. To avoid penalties, pay as much as possible by the original due date, even if you file for an extension.
The due date to file your 2022 Missouri tax return was April 18, 2023. If you missed the original deadline, you should file as soon as possible to reduce penalties and interest. Remember that an extension to the file does not extend the time to pay. The Missouri Department of Revenue considers payments late, even for calendar year filers, if not received by the original due date.
You can request an extension to file your Missouri income tax return using Missouri Form MO-60. This form gives you additional time to file, but does not extend the time to pay any taxes you may owe. You must still make your payment by the April deadline to avoid penalties. If you received a federal extension, Missouri will honor it, but payment is still due by the original date.
If you earned $600 or more in Missouri-source income, you must file a Missouri income tax return, even if you live in another state. Nonresidents should use Form MO-NRI to determine how much Missouri income tax they owe. You may claim a credit on your home state return for taxes paid to Missouri. The process ensures you're taxed only once on the same income.
If you owe taxes and cannot pay by the due date, the Missouri Department of Revenue allows you to request a payment plan through its official website. You should still file your return on time to avoid a late filing penalty. Interest and penalties begin accruing after the April deadline, so paying as much as possible to reduce additional charges is essential.
For the 2022 tax year, most filers will use either Form MO-1040 or MO-1040A. Form MO-1040 is the standard long form used when claiming tax credits, reporting income from other states, or making income modifications. Form MO-1040A is a simplified version suitable for calendar year filers with wages or retirement income and no additional credits. Always review the eligibility criteria before choosing the correct form.
You can deduct rent payments if you qualify for the Missouri Property Tax Credit. This credit is available to particular renters and homeowners based on income, age, or disability. You must file Form MO-PTS and your income tax return to claim this credit. The Missouri Department of Revenue uses your rent and income information to determine the amount of credit you are eligible for.
You can check your refund status through the Missouri Return Inquiry System on the Department of Revenue’s website. To access your information, you’ll need the first Social Security number on your tax return, your filing status, and the refund amount. Refund processing generally takes five business days for e-filed returns and 3 to 4 weeks for paper returns sent by mail. Updates are available online or by phone.
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