CalculateMy PropertyMy deal file
Oklahoma property guide

Oklahoma Property Tax Calculator

Estimate a property tax bill from assessed value, exemptions and local rates. Oklahoma rules and editable local assumptions are applied below.

By Calculate My Property EditorialUpdated September 30, 2026Professional review pending
01 / Your inputs

Start with your property.

County names: Census 2025. Enter your parcel’s millage below; county rates are awaiting verification.
Property2 inputs
USD
Assessment5 inputs
%
Applied only when no certified taxable value is entered.
USD
Zero estimates a newly assessed property.
USD
Enter a confirmed local exemption, after assessment conversion.
Local rates4 inputs
mills
Illustrative assumption. Replace with the parcel’s effective school millage.
mills
Illustrative county/city/district assumption, not a verified county rate.
USD / year
Special assessments and fixed charges, added after tax caps.
USD / year
Only relief deducted from this bill. Do not enter a later refund or a value exemption here.
All amounts in USD.
Your estimate

Estimated annual property tax

$6,300Based on your inputs · USD
Monthly equivalent
$525
Assessed / taxable scenario
$350,000
Effective rate on value
1.8%
See the breakdown
School taxable base
$350,000
Other taxable base
$350,000
School levy
$2,100
Other levies
$4,200
Tax after bill cap
$6,300
Approved tax-dollar credit applied
$0
Fixed / special charges
$0
The formula

Taxable bases × applicable millage ÷ 1,000 − approved bill credits + fixed charges

Assumptions & limitations (1)
  • Local millage is a user assumption until replaced with the parcel’s certified rates. County names do not establish a parcel tax rate.

Result breakdown

School taxable base$350,000
Other taxable base$350,000
School levy$2,100
Other levies$4,200
Tax after bill cap$6,300
Approved tax-dollar credit applied$0
Fixed / special charges$0

Assumptions & limitations

  • Local millage is a user assumption until replaced with the parcel’s certified rates. County names do not establish a parcel tax rate.

Calculation inputs

Calculate My Property · calculatemyproperty.com · Professional review pending

AssumptionEntered valueUnit / context
Tax year2026
Assessment inputsUse the state assessment model
Market / assessed value350000USD
Certified other-levy taxable value0USD
Certified school taxable value0USD
Assessment ratio100%
Prior taxable / assessed value0USD
Purchase / reassessment resetNo
Qualifying principal residenceNo
Other taxable-value exemption0USD
School millage6mills
Other millage12mills
Assessment inflation limit2.7%
Non-ad-valorem charges0USD / year
Approved annual tax-dollar credit0USD / year
Michigan administration fee0% of tax
stateoklahoma

All entered fields are retained for traceability; inactive modes may ignore some fields. Consult the formula and limitations for the selected calculation.

02 / Your next decisionTransfer TaxSeller Net Sheet
External resource

Considering a property-tax appeal?

Compare service terms, fees and state coverage with your assessment notice.

Explore OwnwellExternal provider or resource. No paid referral arrangement is active.
Planning estimate. Editorially sourced; independent professional review is pending. How we calculate
The Oklahoma details

How this state changes the estimate

Assessment and taxable value

Oklahoma property-tax assessment and collection are administered through its applicable state and local offices. A verified county levy schedule has not been imported for this jurisdiction. Enter the certified taxable assessment and the effective parcel rates rather than applying a guessed statewide percentage.

The default assessment conversion is 100.0% where the state uses a uniform ratio. A certified assessed value takes precedence. Do not substitute a county-wide average for a parcel’s taxing-district rates.

Exemptions and caps

Confirm Oklahoma eligibility and approved amounts with the assessor before entering a homestead, senior, veteran or disability adjustment. No unverified exemption is applied automatically.

Confirm eligibility using the primary source and local office. A purchase, property classification, tenancy type or exemption can change which rule applies. Enter documented local costs and rates rather than carrying a previous owner’s assumptions into the new deal.

Your bill calendar

Check the Oklahoma taxing jurisdiction for the bill year, payment installments and appeal deadline. No unverified statewide bill calendar is presented.

Independent professional review is pending. Current county millage is not yet published in this data set. Use the assessor’s certified taxable value and the tax collector’s current rates.

Oklahoma county directory & rate status

County equivalents are from the 2025 US Census Gazetteer. Millage is pending source verification; no county tax rate has been invented.

County / local equivalentCounty identifierRate status
Adair County40001Enter parcel’s certified rate
Alfalfa County40003Enter parcel’s certified rate
Atoka County40005Enter parcel’s certified rate
Beaver County40007Enter parcel’s certified rate
Beckham County40009Enter parcel’s certified rate
Blaine County40011Enter parcel’s certified rate
Bryan County40013Enter parcel’s certified rate
Caddo County40015Enter parcel’s certified rate
Canadian County40017Enter parcel’s certified rate
Carter County40019Enter parcel’s certified rate
Cherokee County40021Enter parcel’s certified rate
Choctaw County40023Enter parcel’s certified rate
Cimarron County40025Enter parcel’s certified rate
Cleveland County40027Enter parcel’s certified rate
Coal County40029Enter parcel’s certified rate
Comanche County40031Enter parcel’s certified rate
Cotton County40033Enter parcel’s certified rate
Craig County40035Enter parcel’s certified rate
Creek County40037Enter parcel’s certified rate
Custer County40039Enter parcel’s certified rate
Delaware County40041Enter parcel’s certified rate
Dewey County40043Enter parcel’s certified rate
Ellis County40045Enter parcel’s certified rate
Garfield County40047Enter parcel’s certified rate
Garvin County40049Enter parcel’s certified rate
Grady County40051Enter parcel’s certified rate
Grant County40053Enter parcel’s certified rate
Greer County40055Enter parcel’s certified rate
Harmon County40057Enter parcel’s certified rate
Harper County40059Enter parcel’s certified rate
Haskell County40061Enter parcel’s certified rate
Hughes County40063Enter parcel’s certified rate
Jackson County40065Enter parcel’s certified rate
Jefferson County40067Enter parcel’s certified rate
Johnston County40069Enter parcel’s certified rate
Kay County40071Enter parcel’s certified rate
Kingfisher County40073Enter parcel’s certified rate
Kiowa County40075Enter parcel’s certified rate
Latimer County40077Enter parcel’s certified rate
Le Flore County40079Enter parcel’s certified rate
Lincoln County40081Enter parcel’s certified rate
Logan County40083Enter parcel’s certified rate
Love County40085Enter parcel’s certified rate
McClain County40087Enter parcel’s certified rate
McCurtain County40089Enter parcel’s certified rate
McIntosh County40091Enter parcel’s certified rate
Major County40093Enter parcel’s certified rate
Marshall County40095Enter parcel’s certified rate
Mayes County40097Enter parcel’s certified rate
Murray County40099Enter parcel’s certified rate
Muskogee County40101Enter parcel’s certified rate
Noble County40103Enter parcel’s certified rate
Nowata County40105Enter parcel’s certified rate
Okfuskee County40107Enter parcel’s certified rate
Oklahoma County40109Enter parcel’s certified rate
Okmulgee County40111Enter parcel’s certified rate
Osage County40113Enter parcel’s certified rate
Ottawa County40115Enter parcel’s certified rate
Pawnee County40117Enter parcel’s certified rate
Payne County40119Enter parcel’s certified rate
Pittsburg County40121Enter parcel’s certified rate
Pontotoc County40123Enter parcel’s certified rate
Pottawatomie County40125Enter parcel’s certified rate
Pushmataha County40127Enter parcel’s certified rate
Roger Mills County40129Enter parcel’s certified rate
Rogers County40131Enter parcel’s certified rate
Seminole County40133Enter parcel’s certified rate
Sequoyah County40135Enter parcel’s certified rate
Stephens County40137Enter parcel’s certified rate
Texas County40139Enter parcel’s certified rate
Tillman County40141Enter parcel’s certified rate
Tulsa County40143Enter parcel’s certified rate
Wagoner County40145Enter parcel’s certified rate
Washington County40147Enter parcel’s certified rate
Washita County40149Enter parcel’s certified rate
Woods County40151Enter parcel’s certified rate
Woodward County40153Enter parcel’s certified rate
Download the state source record (JSON)
Back to national calculator
Worked example

Follow the default numbers.

With market / assessed value of $350,000, the model gives estimated annual property tax: $6,300.

The formula is taxable bases × applicable millage ÷ 1,000 − approved bill credits + fixed charges. Open the breakdown to trace expenses and assumptions. Change one input at a time to see how your decision changes. This example uses scenario inputs; it is not an offer, tax bill, appraisal or legal determination.

Start with the assessor’s taxable value

Market value, assessed value and taxable value are not interchangeable. A certified taxable-value override is the safest input when you have the current parcel record. Without it, the calculator applies the selected state’s simplified assessment model to the entered value. School and other millage are applied separately where exemptions differ. A mill is one dollar per thousand dollars of taxable value.

A county is not one tax district

School, city, special-district and bond levies can differ within the same county. The county selector identifies the jurisdiction; it does not imply a single county-wide bill rate. The sample millages are clearly labeled assumptions. Replace them with the effective levies for the parcel and tax year, then add non-ad-valorem charges separately.

A purchase can reset the assessment

Existing-owner assessment caps may not transfer to a buyer. Michigan taxable value can uncap after a transfer; California can re-establish a base value; Florida’s Save Our Homes benefit has transfer and portability conditions. Select a reassessment reset when modeling a new purchase unless the assessor confirms another treatment. A seller’s current bill can substantially understate the buyer’s tax expense.

Tax relief needs eligibility

Homestead status, age, disability and veteran exemptions depend on state and local rules. Only the basic modeled homestead treatment is automatic. Other exemptions are a manually confirmed taxable-value adjustment. Credits, levy-specific deductions, tax freezes and appeal relief can require a different calculation. The state notes and official source links explain what to check before using the result in a rental or net sheet.

Keep your assumptions with the result

Save the calculation to your deal file to reuse compatible inputs in another tool. The file stays in this browser on this device. Download the CSV to open the complete inputs, results and schedule in Excel or Google Sheets. Use PDF to print the report or save it as a PDF. A share link includes entered financial figures in its URL, so use it only with people you intend to share those numbers with.