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Appealing Your Property Tax Assessment in Oklahoma

Deadlines and steps to appeal a property tax assessment in Oklahoma, and when property taxes are due.

Short answer: Owners whose valuation increases receive a notice showing fair cash, taxable and assessed values. The taxpayer has 30 calendar days from the date the notice was mailed to file a written complaint with the county assessor; Okla. Admin. Code 710:10-10-28, 710:10-1-4 (68 O.S. § 2876)

Appealing your assessmentOwners whose valuation increases receive a notice showing fair cash, taxable and assessed values. The taxpayer has 30 calendar days from the date the notice was mailed to file a written complaint with the county assessor; a complaint may also be filed even if the value did not increase if filed on or before the first Monday in May. The taxpayer must also file the applicable listing form. Assessor staff hold informal hearings, and an informal decision may be appealed to the County Board of Equalization within 10 working days of the date the decision is mailed. Denials of a homestead exemption or senior valuation limitation may also be appealed to the county board of equalization.
When property taxes are dueAd valorem taxes for each fiscal year become due and payable on November 1.

More Oklahoma property tax & homestead exemptions

FAQ

How do you appeal a property tax assessment in Oklahoma?
Owners whose valuation increases receive a notice showing fair cash, taxable and assessed values. The taxpayer has 30 calendar days from the date the notice was mailed to file a written complaint with the county assessor; a complaint may also be filed even if the value did not increase if filed on or before the first Monday in May. The taxpayer must also file the applicable listing form. Assessor staff hold informal hearings, and an informal decision may be appealed to the County Board of Equalization within 10 working days of the date the decision is mailed. Denials of a homestead exemption or senior valuation limitation may also be appealed to the county board of equalization.
When are property taxes due in Oklahoma?
Ad valorem taxes for each fiscal year become due and payable on November 1.

General legal information, not legal advice. Laws change and local rules can differ; check the linked official source or talk to a lawyer about your situation.