Osceola County, IA property tax deadlines
6 coming property tax dates for Osceola County, Iowa. Each one links to its official source and shows the day LevyDay last checked it.
| Next dates | Bills due | Last day without penalty | Appeal by | Exemption filing |
|---|---|---|---|---|
| Osceola | Mar 1, 2027iowataxandtags.orgOct 21 | Mar 31, 2027legis.iowa.govOct 21 | Apr 30, 2027legis.iowa.govOct 21 | Jul 1, 2027legis.iowa.govOct 21 |
Deadlines in date order
| Date and source | Deadline |
|---|---|
| March 1 every yeariowataxandtags.orgOct 21 | Bills due Second half due |
| March 31 every yearlegis.iowa.govOct 21 | Last day without penalty Pay the second half by this day to avoid interest It's late from April 1. If the last day of March is a Saturday or Sunday, it's late from the second business day of April. |
| April 2 to April 30 every yearlegis.iowa.govOct 21 | Appeal deadline Protest your assessment File with the board of review. In a county declared a disaster area after March 1 and before May 20, you get more time. |
| July 1 every yearlegis.iowa.govOct 21 | Exemption filing Claim the homestead credit with the assessor File after July 1 and it counts from the next year. Once it's allowed, it carries on without refiling as long as you keep the home. |
| September 1 every yeariowataxandtags.orgOct 21 | Bills due First half due |
| September 30 every yearlegis.iowa.govOct 21 | Last day without penalty Pay the first half by this day to avoid interest It's late from October 1. If the last day of September is a Saturday or Sunday, it's late from the second business day of October. |
Appealing your assessed value
Appeal by Apr 30, 2027 in 188 dayslegis.iowa.govOct 21
If you think the county valued your home too high, you can appeal. Filing with the county is free and you can do it yourself.
Get help filing an appeal
After you send your details, we look for an independent appeal firm or attorney to take your case. We'll be in touch once one has agreed. Firms usually charge a share of what you save, and the one that takes it may pay LevyDay a referral fee.
LevyDay doesn't file appeals or give legal or tax advice. We only pass your details on. The independent firm or attorney that takes your case does the work and sets its own fee.
Get help filing an appealPlaces in Osceola County
They are: Ashton, Harris, Melvin, Ocheyedan, Sibley. Every place in the county gets the dates above.
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