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The Iowa Department of Revenue made the following notable changes for the 2025 tax year:
These are the supported Iowa state tax forms on FreeTaxUSA:
Form 1040
Iowa Individual Income Tax Return
Form 102
Iowa Amended Return Schedule
Form 126
Iowa Nonresident and Part-Year Resident Credit Schedule
Form 8453 IND
Iowa Individual Income Tax Declaration for an e-File Return
Form 130
Iowa Out-of-State Tax Credit Schedule
Form 148, Parts I and II
Iowa Tax Credits Schedule
Form 177
Iowa Adoption Tax Credit
Form 4562A
Iowa Depreciation Adjustment Schedule
Form 4562B
Iowa Accumulated Depreciation Adjustment Schedule
Form 101
Iowa Nonconformity Adjustments
Multiple Tax Payment Voucher
Iowa Tax Payment Voucher
Keep these Iowa state deadlines in mind as you do your taxes.
Individual tax returns
Due by April 30, 2026
Iowa tax extension
If you expect a refund: Automatic 6-month filing extension.
If you expect to owe IA taxes: Submit an Iowa Tax Payment Voucher with payment.
Due by April 30, 2026
Income tax payment
Due by April 30, 2026
Tax returns for extension filers
Due by October 31, 2026
Get your Iowa refund deposited in your bank account, loaded on a prepaid debit card, mailed as a check, or put towards next year's Iowa taxes.
With the increase of identity theft and tax refund fraud, you may experience longer wait times than in past years before receiving your refund. The Iowa Department of Revenue anticipates the time frame for refund processing to be between 30-45 days.
Check your refund status on the Iowa Department of Revenue website.
Call the Iowa Department of Revenue at (515) 281-3114 or 1-800-367-3388.
Iowa has many income tax payment options. Find the option that works best for you below.
You can use this payment option when you e-file with us.
Due by April 30, 2026
Visit the Iowa Department of Revenue website to pay using your credit or debit card.
Due by April 30, 2026
Submit an Iowa Tax Payment Voucher with payment.
Due by April 30, 2026
Iowa Department of Revenue contact information:
Phone: (515) 281-3114 or 1-800-367-3388
Email: idr@iowa.gov
Online: Iowa Department of Revenue
An extension extends the time you have to file your return by up to 6 months. If you need to pay taxes, you are required to pay the amount due by April 30, 2026.
You need to pay 90% of your taxes by April 30, 2026. If you pay late, you may be charged a 5% late penalty and interest on any unpaid taxes.
If you expect an Iowa refund:
Automatic extension with an accepted federal extension.
If you expect to owe Iowa taxes:
Submit an Iowa Tax Payment Voucher with payment by April 30, 2026.
Even though the deadline has passed, you can still prepare Iowa taxes for prior years. Many people who file late tax returns have refunds waiting for them. We'll help you prepare and mail your federal and state tax returns.
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