What actually sets Oklahoma apart
The senior valuation freeze is one of the strongest in the country because it has no ten-year residency test and it is permanent once granted. For a buyer already over 65, filing in the first eligible year locks in the base for as long as they hold the home.
Property taxes in Oklahoma at a glance
- Average effective tax rate: 0.82% of home value per year
- Median home value: $185,900
- Estimated tax on a median-value home: $1,520 per year (about $127 per month)
- Rank by tax rate: 26th of 50, highest first
- Rank by amount actually paid: 41st of 50, highest first
- Where these figures come from: U.S. Census Bureau, American Community Survey 5-year estimates, for the Oklahoma statewide averages shown above — ACS 2019-2023 5-year estimates, last reviewed September 2026.
Why the Oklahoma rate overstates the bill
Oklahoma ranks 26th of the fifty on rate but only 41st on the bill itself — 15 places lower. The percentage reads worse than the cheque does, because it is applied to a median home value of $185,900.
Hawaii is the mirror image: a rate of 0.27%, well under the 0.82% charged here, and a median bill near $2,183 — about $663 more a year than an Oklahoma owner pays.
How Oklahoma works out what you owe
Counties assess residential property somewhere between 11% and 13.5% of fair cash value, with each county fixing its own ratio within that band.
The taxable fair cash value of a homestead cannot rise more than 3% a year, and 5% for other property, until the property is sold or improved.
Exemptions Oklahoma homeowners should claim
Each of these reduces an Oklahoma bill every year you hold the property, and almost none are granted without a claim:
- Homestead exemption: A reduction in assessed value on an owner-occupied residence, with an additional amount for households below an income limit.
- Senior valuation freeze: Owners aged 65 or older within an income limit can freeze the taxable fair cash value of their homestead permanently, so the assessment stops rising entirely.
Where you buy inside Oklahoma changes the bill
A statewide average hides its extremes. Where they show up in Oklahoma:
- Oklahoma County: Oklahoma City, spread across several school districts with meaningfully different levies
- Tulsa County: higher combined rates than Oklahoma County on a similar value base
- Cleveland County: Norman and the university, with a large student rental sector alongside owner-occupied suburbs
Oklahoma and its neighbours
The same $185,900 — the Oklahoma median — taxed at each neighbouring state's average rate:
- Kansas at 1.3%: about $2,417 a year, roughly $897 more than the $1,520 an Oklahoma owner would pay on the same value.
- Missouri at 0.88%: about $1,636 a year, roughly $116 more than the $1,520 an Oklahoma owner would pay on the same value.
- Arkansas at 0.57%: about $1,060 a year, roughly $460 less than the $1,520 an Oklahoma owner would pay on the same value.
- Texas at 1.58%: about $2,937 a year, roughly $1,417 more than the $1,520 an Oklahoma owner would pay on the same value.
- New Mexico at 0.72%: about $1,338 a year, roughly $182 less than the $1,520 an Oklahoma owner would pay on the same value.
- Colorado at 0.49%: about $911 a year, roughly $609 less than the $1,520 an Oklahoma owner would pay on the same value.
Appealing an Oklahoma assessment
If the assessed value on your Oklahoma home overstates what it is worth, the route is an appeal to the county Board of Equalization, then district court. The window is within 30 days of the notice of increase in valuation, and it is strict — missing it means waiting a full cycle.
Frequently asked questions
When are Oklahoma property taxes due, and when must exemption claims be filed?
Bills are issued in November. The full amount or the first half is due 31 December, with the second half due 31 March. Applications are filed with the county assessor, generally by 15 March for that tax year.
Does this calculator use my exact Oklahoma county tax rate?
No — it applies the Oklahoma statewide average of 0.82%. Rates are set locally, and the spread inside Oklahoma is wide enough to matter: on a $185,900 home, $308 a year separates Oklahoma from an averagely taxed state before any county variation is counted. Check the parcel's own rate with its Oklahoma county before relying on this figure.
Reference sources
Related calculators
How this estimate is built
Principal and interest come from the standard amortization formula, worked through in full on the formula reference page. Property tax, insurance, PMI and loan-program figures layer on top from published assumptions — each one sourced, dated and listed on the methodology page. Every result here is an estimate built from public data, not a quote: confirm the specifics with a lender before relying on it.
For developers
This calculation is also available as a REST API and through an MCP server, both running the same engine as this page — so the figures match by construction rather than by convention. No key required.