Seminole County, OK property tax deadlines
5 coming property tax dates for Seminole County, Oklahoma. 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 |
|---|---|---|---|---|
| Seminole | Nov 1, 2026 Sunoklegislature.govOct 24 | Dec 31, 2026oklegislature.govOct 24 | Set by noticeoklahoma.govOct 24 | Mar 15, 2027oklahoma.govOct 24 |
Deadlines in date order
| Date and source | Deadline |
|---|---|
| March 15 every yearoklahoma.govOct 24 | Exemption filing Homestead exemption: apply with the county assessor Or within 30 days of a notice that your value went up. A later filing counts from the next year. |
| March 31 every yearoklegislature.govOct 24 | Last day without penalty Pay the second half If it's not paid before April 1, it's delinquent on April 1. |
| November 1 every yearoklegislature.govOct 24 | Bills due Taxes come due |
| December 31 every yearoklegislature.govOct 24 | Last day without penalty Pay at least half by this day If less than half is paid before January 1, the whole year's tax is delinquent on January 1. |
| Varies, see rule set by noticeoklahoma.govOct 24 | Appeal deadline Protest your value with the county assessor In writing, within 30 days from the date your notice of a value increase was mailed. Miss it and the assessor's value is final. If your value did not change from last year, you can protest by the first Monday in April. |
Appealing your assessed value
Appeal by the date on your noticeoklahoma.govOct 24
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 Seminole County
They are: Bowlegs, Cromwell, Dixon, Konawa, Lima, Maud, Sasakwa, Seminole, Wewoka. Every place in the county gets the dates above.
Nearby in the Oklahoma list
PittsburgPontotocPottawatomiePushmatahaRoger MillsRogersSequoyahStephensTexasTillmanTulsaWagoner