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Property Tax Due Dates in Oklahoma

Oklahoma Property Tax Deadlines

Due Dates

December 31 - Full or first half

March 31 - Second half (if split)

Late Penalty

Penalty and interest after Jan 1

Grace Period

None

Payment Methods

Online, mail, in-person

Source: Official Oklahoma website

Counties in Oklahoma

How Property Taxes Work in Oklahoma

Oklahoma property taxes are administered at the county level. Residential property is assessed at 11% of fair cash value, agricultural at 11%, and commercial at 11% as well (though rates vary by use). Oklahoma's assessment ratios and mill rates produce among the lower effective property tax rates in the country. Oklahoma also has a distinctive feature: the assessed value of owner-occupied primary residences cannot increase by more than 3% per year (the "assessment limitation"), regardless of market value increases. This provides strong protection against rapid tax increases for homeowners.

Payment Deadlines & Details

Oklahoma property taxes are due December 31 and may be paid in two equal installments: First half: Due December 31 Second half: Due March 31 of the following year If the total tax is less than $100, it must be paid in full by December 31. A penalty of 1.5% per month applies to late payments. Most counties offer online payment. Contact your county treasurer for payment options.

Exemptions Available in Oklahoma

Oklahoma property tax relief programs: Homestead Exemption — Owner-occupied primary residences receive a $1,000 reduction in assessed value from all county taxes. Apply with your county assessor. Senior Valuation Freeze — Qualifying homeowners 65 or older with income under $73,900 (2024) may freeze the assessed value of their primary residence, preventing increases due to market value appreciation. Apply with your county assessor by March 15. Disabled Veterans Exemption — Veterans with a 100% service-connected disability are fully exempt from all property taxes on their primary residence. Surviving spouses may continue the exemption. Apply with your county assessor. Double Homestead Exemption — Low-income homeowners (income under $20,000) may receive a doubled homestead exemption ($2,000 off assessed value).

How to Appeal Your Assessment in Oklahoma

Oklahoma property tax appeals go to the county Board of Equalization: Deadline: File an appeal with the county Board of Equalization within 30 days of receiving your notice of change in assessed value (mailed in January or February). Process: The Board of Equalization meets February through April. Present comparable sales or evidence that fair cash value is lower than assessed. Further appeal: Appeal county Board of Equalization decisions to the Oklahoma County Assessor's office or to District Court.

Frequently Asked Questions

When are Oklahoma property taxes due?
Oklahoma property taxes are due December 31. You can split into two installments: first half due December 31 and second half due March 31. A 1.5% monthly penalty applies to late payments.
Does Oklahoma cap property tax increases for homeowners?
Yes. Oklahoma limits annual assessment increases on owner-occupied primary residences to no more than 3% per year, regardless of market value increases. This assessment limitation helps protect long-term homeowners from large tax increases.
Does Oklahoma have a senior property tax freeze?
Yes. Qualifying homeowners 65 or older with income under $73,900 (2024) can freeze their home's assessed value, preventing any future increases. Apply with your county assessor by March 15.
How do I appeal my Oklahoma property assessment?
File an appeal with your county Board of Equalization within 30 days of your notice of assessed value. The board meets February through April. Present comparable sales or other evidence of fair cash value. Further appeals go to District Court.

Guide last updated: February 24, 2026