Benton County Auditor Property Search, Deeds & GIS Maps

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Benton County, Washington · Parcels, deeds, taxes, maps, farms and appeals

Find a Parcel and Route Every Property Task

Use the Benton County Assessor’s property search for parcel ownership, plot size, sales history, assessed value, property characteristics and map context. Use the County Auditor when you need the recorded deed, mortgage, easement, release, plat, survey or another legal document.

This guide explains what to search, why an address may be missing, how to read the property record, where to pay taxes, how to check zoning and maps, and what evidence or forms to prepare before contacting a county office.

Start with the quick answer Search a parcel Find a deed or easement
The Auditor is not the property appraiser. Benton County’s Assessor maintains parcel ownership, assessed value, property characteristics and cadastral mapping. The Auditor records submitted legal documents, while the Treasurer bills and collects property tax.

Quick answer: which official property tool should you open?

Use the Assessor’s Spatialest Property Search for owner, parcel, assessed value, lot size, improvements, sales and nearby-property research. Use the Auditor’s EagleWeb search for recorded deeds, mortgages, liens, releases, easements, plats and surveys.

1 Find the parcel Search the Assessor by owner, address or property number.
2 Save the property number Use it for taxes, maps, deeds and county calls.
3 Select the correct office Assessor, Auditor, Treasurer, GIS, Planning or BOE.
4 Verify before acting Match the location, parcel and relevant document.

Important Benton County facts

New property search Spatialest parcel portal
Property number 15-digit Assessor identifier
Assessment standard 100% of fair market value
Assessor Kennewick 509-735-2394
Assessor Prosser 509-786-2046
Recording search Early 1970s to present
Recording help 509-786-5616
Treasurer 509-735-8505
2026 second half November 2, 2026
BOE appeal help 509-786-5604
Open official property search Open recorded-document search

Choose the exact task you need to complete

The article is organised around real property problems rather than a directory of unexplained county links.

Office-routing guide

Which Benton County office controls your property task?

Correct office or tool for each property question
Your question
Correct office or tool
What it provides
Important limit
Who is listed on the parcel?
Assessor Property Search
Taxpayer or owner display, property number, location, value, sales and characteristics.
The display is not a legal title opinion.
What is the property assessed at?
Assessor Property Record Card
Land, improvement and total assessed values with property details.
Tax amount also depends on levies and taxing districts.
Where is the deed or mortgage?
Auditor EagleWeb
Grantor-grantee indexes and recorded-document information.
Public users may not receive every document image.
How much tax is due?
Treasurer Property Search
Current installments, paid history, delinquency and payment options.
The Assessor does not post tax payments.
Where is the parcel on a map?
Spatialest Community or GIS Hub
Parcel location, nearby sales, roads, community information and map layers.
Map lines are not survey-grade boundaries.
What is the official zoning?
Planning Division
Zoning confirmation, allowed-use, setback and land-use guidance.
City parcels may be controlled by the applicable city.
Is the assessed value incorrect?
Assessor, then Board of Equalization
Informal value review followed by a formal appeal when necessary.
A high tax bill alone is not market-value evidence.
Does a senior, disabled or farm program apply?
Assessor Tax Relief
Exemption, deferral, current-use and historic-property applications.
Each program has separate eligibility and filing rules.
Best cross-office identifier: Save the 15-digit property number shown on the tax statement or Assessor record. Use it when checking taxes, maps, recorded documents and value questions.
Local search troubleshooting

No parcel result? Check addresses, vacant land and recent changes

Owner search failed Enter only the surname or business name, then try the former owner, trust or estate.
Address search failed Simplify the road wording and confirm that the parcel has an officially assigned address.
Vacant land has no address Benton County does not assign an address until a residential building permit is issued.
Plat shows an address beginning with T The T can indicate a temporary address that may change when a building permit is issued.
Rural private-road search fails Use the complete official address format or search by owner and property number.
Property recently sold Search the seller and check the Auditor’s recorded-document system for the deed.
Parcel was divided or combined Search the parent or former property number and contact the Assessor.
Property may be in a city Confirm whether the parcel is inside Kennewick, Richland, West Richland, Prosser or another jurisdiction.
Vacant-land search tip: Use the property number or a legal description such as subdivision and lot, short plat and lot, or section-township-range information when no official street address exists.
Assessor call script “I am trying to identify property at [address, road or legal description]. I searched using [owner or property number], but the parcel is missing or appears under an older record. Can you confirm the current property number and whether the parcel was divided, consolidated or transferred?”
Call Kennewick Assessor: 509-735-2394 Call Prosser Assessor: 509-786-2046 Email the Assessor
Property-record decoder

Understand the Benton County property card

Parcel fields and what each one can tell you
Field
Meaning
Practical next action
Property number
The 15-digit identifier assigned by the Assessor.
Use it for tax, map, appeal and document research.
Owner or taxpayer
The name currently maintained in the assessment database.
Use the recorded deed for legal-title questions.
Situs address
The official physical location when one has been assigned.
Use the Master Address Viewer for unincorporated-address questions.
Land value
The market value assigned to the land portion.
Check acreage, zoning, water, access, irrigation and current-use status.
Improvement value
The value assigned to buildings and land improvements.
Verify size, use, age, quality, condition and outbuildings.
Assessed value
Benton County’s taxable market-value determination.
Compare with market evidence and the applicable value date.
Sales history
Reported transfers associated with the property.
Check whether each transaction represents an open-market sale.
Property characteristics
Physical facts used in the appraisal record.
Report incorrect area, age, condition, use or improvement data.
Taxing information
District and tax information connected with the account.
Use the Treasurer portal for the live amount payable or paid.

Why a value increase does not equal the same tax increase

Washington’s one-percent levy-growth limit applies to taxing-district revenue, not to the annual value change of an individual home. A parcel’s tax can increase or decrease depending on how its assessed value changed relative to other property in the same taxing district.

Check these facts before disputing value

Lot or acreage size
Residential, farm, commercial or industrial use
Living or building area
Year built and condition
Garage and outbuildings
Vineyard, orchard or permanent crops
Irrigation and utility services
New construction or demolition
Annual revaluation: Benton County is an annual-assessment county. Appraisers physically inspect one-sixth of the county each year, while the remaining property is adjusted using market sales; new construction is reviewed countywide each year.
Read real-property appraisal guidance Open Property Record Card
Auditor EagleWeb workflow

Find a deed, mortgage, lien, release or easement

The Auditor’s EagleWeb system is the correct portal for recorded instruments. Public users must choose the Public Login option and may receive index access without every document image.

Search recorded documents step by step

Identify the parcel first Save the owner, previous owner, 15-digit property number and approximate transfer date.
Open EagleWeb Continue to Login and select Public Login when you do not have a registered account.
Choose the strongest search field Enter a reception number when known; otherwise use grantor, grantee or both.
Add a date range Narrow the result when the name is common or the approximate recording date is known.
Choose a document type Turn off Search All Types and select deed, mortgage, lien, easement, reconveyance, release, plat or survey.
Compare the index result Match the parties, reception number, recording date, document type and legal-description clues.
Request the required copy Ask whether the receiving lender, court, agency or professional requires a certified copy.

Grantor and grantee explained

Grantor

The person or entity giving, transferring, releasing or granting an interest.

Examples can include a seller, borrower, lien claimant or easement grantor.

Grantee

The person or entity receiving the interest or benefit.

Examples can include a buyer, lender, beneficiary or easement holder.

Document-search and copy charges

Published Benton County Auditor search and copy fees
Service
Published cost
Practical preparation
Staff document search
$8 per hour, $8 minimum
Provide names, year, document type, book and page or reception number.
Non-certified copy
$1 per page
Confirm the correct document before ordering.
Certified copy
$3 first page plus $1 each additional page
Ask the receiving party whether certification is required.
Search request by mail
Search and page fees apply
Include a not-to-exceed check because the page count may be unknown.
Coverage wording differs slightly across county pages. Benton County pages describe modern online records as beginning in January 1971, while the EagleWeb welcome screen says January 1, 1972. For an early-1970s document that does not appear, contact Recording instead of assuming it was never recorded.
Restrictive covenant modification: Washington property owners can record a qualifying restrictive-covenant modification without a county recording charge. The process requires property-owner names, legal descriptions, parcel information and notarisation.
Recording call script “I need a recorded [deed, easement, release, lien or survey] involving [names]. The approximate recording date is [date], and the property number is [number]. Can you confirm the correct record, whether an image is available and the ordinary or certified-copy cost?”
Open EagleWeb Read recorded-search instructions Call document search: 509-786-5616
Older deeds and index books

Find recorded documents from 1906 through the early 1970s

Open the Historical Indexes Choose the year range covering the expected recording date.
Select Direct or Reverse Direct indexes are organised by grantor; Reverse indexes are organised by grantee.
Locate the name Search the scanned alphabetical index for the person or company.
Copy the book and page Also save the document type, year and short description.
Visit or submit a search request Use the book and page to help Auditor staff retrieve the original record.
Search both directions: A deed may be easier to find under the seller in the Direct index or under the buyer in the Reverse index.
Open Historical Indexes Open document-request guidance
Current 2026 tax guidance

Pay the second half by Monday, November 2, 2026

First-half deadline April 30, 2026

This deadline has passed.

Second-half deadline November 2, 2026

October 31 falls on Saturday.

Late-account action Confirm exact payoff

Interest and penalties may apply.

Weekend rule: Benton County states that when April 30 or October 31 falls on Saturday or Sunday, the due date moves to the following Monday.

Online payment steps

Find the property number Use the Assessor search or the number in the upper-right area of the tax statement.
Open the Treasurer property-tax page Select Property Search or Online Payments from the official county page.
Match the parcel and address Do not pay a same-name owner’s account without verifying the property number.
Check escrow status Determine whether a mortgage company already plans to pay the installment.
Select the installment Confirm whether you are paying the second half, a late first half, the full year or a delinquent payoff.
Review the transaction fee Compare eCheck, Visa debit and credit or non-Visa debit charges.
Save confirmation Online payments can require three to five business days to appear as posted.

Online payment fees

Benton County Treasurer vendor fees
Method
Published fee
Practical note
Electronic check
$1 per transaction
Verify the routing and account numbers before submitting.
Credit card
2.5% of payment
The fee can be significant on a large tax bill.
Non-Visa debit card
2.5% of payment
Processed under the card-percentage fee.
Personal Visa debit card
$3.95 per transaction
Confirm the card qualifies for the flat Visa-debit option.

Late first-half payment

Interest is charged at 1% per month on delinquent taxes. Benton County adds a 3% penalty on June 1 and an additional 8% penalty on December 1. When the first half was not paid by April 30, interest can apply to the full annual amount.

Do not send only the original installment amount. Benton County states that a late payment must include the required interest and penalty or it may be returned.

Mail, drop box and automatic-payment options

Ways to pay without using a card
Method
How it works
Important caution
Mail
Send endorsed check and remittance coupon to the Tax Processing Center.
The USPS postmark controls timeliness; mail early.
Kennewick drop box
Use the box at 7122 W. Okanogan Place.
Boxes close at 5 p.m. on the effective due date.
Prosser drop box
Use the Benton County Courthouse box at 620 Market Street.
Clearly identify the account and do not deposit cash.
Richland drop box
Use the box at Richland City Hall, 625 Swift Boulevard.
Confirm current access before the final day.
Semi-annual ACH
Two automatic withdrawals in April and October.
Submit the enrollment form before the county cutoff.
Monthly ACH
Use the Treasurer’s monthly-payment-plan form.
Review how the plan handles current versus delinquent taxes.
Treasurer call script “I am calling about property number [15-digit number] at [address]. Can you confirm whether the first half posted, the exact second-half or delinquent amount, any interest or penalty, and the lowest-fee approved payment method?”
Open property-tax payment page Read tax-payment FAQs Call Treasurer: 509-735-8505
Parcel, road and community maps

Use GIS maps without treating them as surveys

Choose the right Benton County map
Tool
Best use
Important limitation
Spatialest Property Search
Parcel, owner, assessed value, plot size, sales and property characteristics.
Not legal-title proof.
Spatialest Community
Map-based parcel, neighbourhood, school, permit and nearby-sale context.
Available layers may not determine buildability.
Benton County GIS Hub
County GIS applications, datasets and map resources.
Data accuracy and update dates can vary by layer.
Public Works Map
County roads, right-of-way documents, monuments, approaches and road closures.
Recorded road documents do not establish every private-property corner.
Master Address Viewer
Official assigned addresses in unincorporated Benton County.
City addresses are maintained by the applicable city.

Parcel-map workflow

Find the property number first Use the Assessor search so the map is not dependent on an uncertain address.
Open the Community map or GIS Hub Search or navigate to the parcel location.
Confirm the parcel number Make sure the selected polygon matches the property card.
Turn on only useful layers Review roads, jurisdiction, aerial imagery, zoning or other relevant information.
Check the layer source and date Aerial photography and mapped data may not reflect a recent construction or boundary change.
Move to recorded evidence Use the deed, recorded plat, survey and a licensed surveyor for legal-boundary decisions.
Fence, irrigation and building warning: Do not place a fence, structure, private road, irrigation improvement or utility from an online parcel line. GIS geometry can be offset from the legally surveyed ground position.
Open Community map Open Benton County GIS Hub Open Public Works maps
Planning, addresses and permits

Confirm zoning before relying on a parcel map

Benton County Planning administers land-use rules for unincorporated property. Parcels inside a city may be subject to the applicable city’s zoning and permit requirements.

Micro steps for a zoning question

Find the property number and location Save the parcel, address and legal-description information.
Confirm city or county jurisdiction Determine whether the property is inside an incorporated city or unincorporated Benton County.
Open the county zoning page Review the Official Zoning Map when the parcel is within county jurisdiction.
Identify the zoning district Note the exact district code rather than relying on a general land-use description.
Check allowed uses and standards Review use, lot size, density, building height, setbacks, parking and buffering requirements.
Confirm with Planning Call before purchasing, subdividing, building or changing the use of the property.
Current permitting change: Benton County launched a new permitting software system on July 7, 2026 for Planning, Building and related Public Works services. Use the county’s current Self-Service Portal rather than an older saved application link.
Planning phone

509-786-5612

Planning email

planning.department@co.benton.wa.us

Planning location
102206 E. Wiser Parkway
Kennewick, WA 99338
Open official zoning guidance Open Planning and permit services Check county addressing
Board of Equalization workflow

Appeal a Benton County assessment with market evidence

2026 timing: The general July 1 deadline for appealing a 2026 assessment for taxes payable in 2027 has passed. A taxpayer may still have a deadline within 30 days after the mailing date of a Change of Value Notice. Use the exact date on the notice.

Talk to the Assessor first—but protect the appeal deadline

Ask the Assessor to review square footage, bedrooms, heating, quality, condition, land details and other characteristics. An Assessor discussion can correct an error, but it does not automatically extend the Board of Equalization deadline.

Prepare the petition

Use the current Washington petition form The county directs taxpayers to Form 64 0075 for a real-property appeal.
Prepare one petition per parcel Each disputed property number requires its own filing.
Attach the Change of Value Notice It is required when the appeal is based on a newly mailed value change.
State a specific market-value reason Explain why the value does not reflect fair market value.
Attach persuasive evidence Use comparable sales, appraisals, damage estimates, government restrictions, easements, photos or maps.
File a protective appeal when necessary Do not let an informal review cause the legal filing period to expire.
Keep proof of delivery Save the submitted petition, attachments and delivery confirmation.

Useful and unusable arguments

Evidence the Board can evaluate
Issue
Useful evidence
Weak argument to avoid
Incorrect property facts
Measurements, building records, photographs and permits.
The percentage increase seems too large.
Recent purchase
Deed, excise affidavit, purchase agreement and sale conditions.
The tax bill is unaffordable.
Comparable sales
Nearby arm’s-length sales with similar land and improvements.
Comparing only another parcel’s assessed value.
Development limitations
Agency letters, easements, access limits, zoning or expert reports.
An unsupported claim that the parcel cannot be developed.
Damage or condition
Dated photographs, contractor estimates and inspections.
Ordinary maintenance complaints without value evidence.
Evidence standard: Washington law presumes the Assessor’s determination is correct. The taxpayer must provide clear, cogent and convincing evidence that the value is flawed.
BOE call script “I received a Change of Value Notice dated [date] for property number [number]. Can you confirm my filing deadline, the correct petition, required attachments and whether the Kennewick or Prosser delivery option applies?”
Open Board of Equalization Read Assessor appeal guidance Call BOE: 509-786-5604
Exemptions, deferrals and current use

Check Benton County property-tax relief programs

Programs administered through the Assessor
Program
Potential benefit
Important preparation
Senior Citizen and Disabled Exemption
May reduce qualifying taxes on a principal residence and up to one acre.
Age, disability, ownership, residence and current income documents.
Senior or Disabled Deferral
May defer qualifying property taxes under state rules.
Ask how interest, liens and repayment operate.
Limited-Income Homeowner Deferral
Separate deferral option for qualifying homeowners.
Use the current income requirements and application year.
Homeowner Remodel Exemption
May temporarily exempt qualifying improvement value.
File the proper application before the applicable deadline.
Destroyed Property
May adjust value after qualifying destruction or damage.
Document the event date, damage, photographs and repair information.
Farm and Agricultural Current Use
May classify qualifying agricultural land according to current use.
$450 county application fee plus land-use and income information.
Open Space Current Use
May provide current-use classification for qualifying open-space land.
$500 county application fee and required supporting material.
Historic Preservation
May provide special valuation for qualifying historic improvements.
Historic eligibility and rehabilitation-cost evidence.
Do not rely on an old income limit. Senior, disability and deferral thresholds can change. Use the current application or confirm the filing-year amount with the Assessor.
Forest-land note: The Assessor’s relief page states that the Forest Land program is not applicable in Benton County. Farm, agricultural and open-space classifications use separate current-use procedures.
Open tax-relief programs Open Assessor forms Call Assessor: 509-786-2046
Deeds, excise tax and ownership changes

Prepare a Benton County property transfer

A property transfer commonly involves the Treasurer’s Real Estate Excise Tax process and the Auditor’s Recording Division. A correctly signed deed alone may not be enough to complete the transaction.

Standard transfer sequence

Prepare the legal document Use the correct deed or transfer instrument with a complete legal description.
Complete the Real Estate Excise Tax Affidavit Benton County states that areas 1 through 7 must be fully completed.
Use a supplemental statement when required Certain exemptions and special transactions require additional information.
Use the mobile-home affidavit for a mobile home A mobile-home ownership change uses a separate excise affidavit.
Submit the excise documents to the Treasurer Confirm tax, exemption and payment requirements.
Record the accepted document with the Auditor Verify formatting, recording charges and return-address information.
Recheck the Assessor record Allow processing time, then confirm that the ownership and mailing information updated.

Recording requirements that commonly delay documents

Required index information on the first page or cover sheet
Three-inch first-page top margin or approved cover-sheet option
Readable text, seals and attachments
Correct page size and ink
Grantor and grantee names
Return address
Legal description
Assessor parcel number when available
Nonstandard-margin fee: When the only failed requirement is the minimum margin, the county allows use of the nonstandard clause on the cover sheet with an additional $50 fee. Confirm the full current recording charge before submitting.
Prosser service change: Recording remains available in Kennewick. In-person recording in Prosser is by appointment; email the Auditor or call 509-786-5620 before traveling.
Open property-transfer guidance Open recording requirements Open excise and transfer forms
Phone, address and visit planning

Benton County property contacts

Call the office that can complete the task
Office
Use it for
Contact
Location and hours
Assessor—Kennewick
Parcel search, values, property cards, sales, exemptions and current use.
509-735-2394
assessor@co.benton.wa.us
7122 W. Okanogan Pl., Building E, Kennewick, WA 99336
Monday–Friday, 8:30 a.m.–4:30 p.m.
Assessor—Prosser
Parcel, value and Assessor-program assistance.
509-786-2046
620 Market Street, Prosser, WA 99350
Tuesday–Thursday, 8:30 a.m.–4:30 p.m., appointment only.
Auditor Recording
Deeds, liens, easements, plats, surveys, copies and recording.
Search and copies: 509-786-5616
General or Prosser appointment: 509-786-5620
Suite E120, 7122 W. Okanogan Pl., Kennewick, WA 99336
Monday–Friday, 8:30 a.m.–4:30 p.m.
Treasurer—Kennewick
Tax balance, payment, receipts, delinquency and property transfers.
509-735-8505
treasurer@co.benton.wa.us
Suite E110, 7122 W. Okanogan Pl., Kennewick, WA 99336
Monday–Friday, 8:30 a.m.–4:30 p.m.
Treasurer—Prosser
Tax payment and Treasurer assistance.
509-786-2255
620 Market Street, Prosser, WA 99350
Monday, Wednesday and Friday, 10 a.m.–2 p.m.; lunch noon–1 p.m.
Board of Equalization
Assessment and exemption appeals.
509-786-5604
BOE@co.benton.wa.us
Suite E330, 7122 W. Okanogan Pl., Kennewick, WA 99336
Monday–Friday, 8 a.m.–5 p.m.; lunch noon–1 p.m.
Planning Division
Zoning, land use, setbacks, subdivision and permit questions.
509-786-5612
planning.department@co.benton.wa.us
102206 E. Wiser Parkway, Kennewick, WA 99338
Monday–Friday, 8 a.m.–5 p.m.; lunch noon–1 p.m.
Universal property call script “I am contacting you about Benton County property number [15-digit number] at [address or legal description]. I need help with [parcel data, value, deed, tax payment, map, zoning, exemption or appeal]. Which official record, form or office should I use next?”
County-border check

Could the property be in Franklin County?

Kennewick and Richland addresses are in Benton County, while Pasco is in Franklin County. Properties near the Columbia River or a Tri-Cities mailing area can be searched in the wrong county when the jurisdiction is not confirmed.

Franklin County, Washington

Use this guide for Pasco-area parcels, Franklin County Assessor records, Auditor deeds, tax balances and GIS maps.

Open Franklin County Washington property-search guide
Accuracy and legal limits

What an online property record cannot prove

Online records are useful for
  • Identifying a parcel and taxpayer
  • Reviewing assessed value and property facts
  • Finding sales and tax information
  • Locating recorded-document indexes
  • Preparing questions for county staff
Get additional verification for
  • Legal ownership and marketable title
  • Exact property boundaries
  • Unrecorded rights or claims
  • Water rights and irrigation interests
  • Zoning, building or development approval
Responsible-use warning: Do not identify or contact someone from a same-name property result alone. Verify the property number and physical location and use public information lawfully.
Ten practical answers

Benton County property search FAQs

What is the official Benton County property search?

Use the Benton County Assessor’s official Spatialest property search for parcel ownership, assessed value, property characteristics, sales and map information. Use the Auditor’s EagleWeb system for deeds, mortgages, liens, releases, easements and other recorded documents.

Does the Benton County Auditor assess property values?

No. The Benton County Assessor determines the value of taxable real and personal property. The Auditor records and preserves qualifying legal documents.

How do I search Benton County property by owner name?

Open the Assessor property search and begin with the owner’s last name or organization name. Add the first name only when the results are too broad, then verify the parcel number, physical location and property characteristics.

Why does a vacant Benton County parcel have no address?

Benton County does not assign an address until a building permit for a residence is issued. Search vacant land using the parcel number, owner name or legal-description information rather than an address.

Where can I find a Benton County deed or easement?

Use the Benton County Auditor’s EagleWeb recorded-document search. Search by grantor, grantee, reception number, document type or recording-date range.

How far back do Benton County online recorded records go?

The county’s modern online recording resources cover documents from approximately January 1971 or 1972 forward. Historical grantor-grantee indexes cover earlier records beginning in 1906.

When is the second-half 2026 Benton County property-tax payment due?

The normal second-half date is October 31. Because October 31, 2026 falls on Saturday and Benton County moves weekend deadlines to the following Monday, the effective deadline is Monday, November 2, 2026.

Are Benton County GIS parcel lines legal boundaries?

No. GIS parcel lines and online measurements are useful for research but do not replace a recorded survey, plat, deed or licensed boundary survey.

How long do I have to appeal a Benton County property value?

The appeal deadline is the later of July 1 of the assessment year or 30 days after the Assessor mailed the Change of Value Notice. A separate petition is required for each parcel.

Who should I call about Benton County property records?

Call the Assessor at 509-735-2394 in Kennewick or 509-786-2046 in Prosser for parcel and value questions; Auditor Recording at 509-786-5616 for document searches; Treasurer at 509-735-8505 for tax payments; and the Board of Equalization at 509-786-5604 for appeals.

Information checked August 6, 2026: Property-search portals, office responsibilities, contact information, tax deadlines, weekend rules, online-payment fees, recording coverage, copy costs, appeal requirements, zoning guidance, current-use fees and transfer forms were checked against Benton County government resources.
Independent guide: CountyAuditors.org is not the Benton County Assessor, Auditor, Treasurer, GIS Department, Planning Division or Board of Equalization. Confirm live balances, filing deadlines, eligibility, recording fees, legal descriptions and development requirements with the responsible county office.
Ohio Auditor Tools · Tax Year 2026

10 Ohio Property Tax Calculators & Auditor Tools

Built specifically for Ohio's 35% assessment ratio, current DTE forms, and 2026 Homestead, Owner-Occupancy, CAUV, Conveyance Fee, and Board of Revision rules. Every number reflects verified Ohio Department of Taxation amounts.

Homestead: $29,000 Enhanced Vet: $58,000 OAGI limit: $41,000 Assessment: 35% of market BOR filing: Free · DTE 1

Annual Tax Bill Estimator

OHIO

Applies Ohio's 35% assessment ratio plus your county's effective millage tier — the actual math your auditor uses.

Pick a county tier and enter your market value.

Homestead Reduction Calculator

DTE 105A

2026 Ohio Homestead: $29,000 general or $58,000 enhanced (100% disabled vet, KIA spouse). OAGI under $41,000 required for non-veteran applicants.

Pick your situation and enter your home value.

Owner-Occupancy & Non-Business Credits

DTE 105C

Every Ohio owner-occupied home qualifies for the 2.5% Owner-Occupancy Credit plus the automatic 10% Non-Business Credit. Most owners don't realize these stack.

Enter your annual tax to see both credit amounts.

Conveyance Fee Calculator

ORC 322

When you sell or transfer Ohio property, the auditor collects $1 state + up to $3 county per $1,000, plus $0.50 per parcel. Counties choose their rate.

Enter sale price and pick your county rate.

CAUV Agricultural Savings

DTE 109

Ohio's Current Agricultural Use Value cuts taxable value dramatically for farmland (10+ acres, or smaller with $2,500+ annual gross income).

Enter both market and CAUV values to see savings.

Mill Rate Converter

Ohio tax rates appear three ways on auditor sites: mills, percent, or dollars per $1,000. Convert between them instantly.

Enter a rate to see all three forms.

Parcel Number Cleaner

Ohio's 88 counties each format parcels differently — Franklin uses 010-123456-00, Cuyahoga uses 001-23-456, Hamilton uses 100-0001-0001-00. Auto-detects.

Paste any Ohio county parcel to format it.

35% Ratio Sanity Check

Ohio law sets taxable value at 35% of market value. If yours is significantly higher, you're a strong BOR appeal candidate.

Enter both values to compare against Ohio's 35% target.

BOR Appeal Savings

DTE 1

A successful Board of Revision complaint typically cuts your value 10–20%. Filing is free and stays in effect until the next reappraisal.

Enter your tax bill and reduction estimate.

BOR Deadline Countdown

MAR 31

Ohio's statutory Board of Revision filing deadline is March 31 for the prior tax year. Miss it and you wait until next year — no extensions.

Set your deadline to start the countdown.

Verify with the official Ohio source

These calculators use the verified 2026 Ohio Department of Taxation amounts and statutory rules. For your exact bill, exemption status, and county-specific deadlines, always confirm with your county auditor and the Ohio Revised Code:

Ohio Dept. of Taxation — Real Property DTE Forms (105A, 105C, 1, 109) ORC 5715 — Board of Revision ORC 5713 — Taxable Real Property ORC 322.02 — Conveyance Fee ORC 319.54(F)(3) — State Fee ORC 5713.30 — CAUV tax.ohio.gov — Main Portal

Estimates use Ohio's 35% statutory assessment ratio and effective tax rate tiers averaged across major Ohio counties. Your actual bill depends on local school levies, voted millage, inside vs. outside millage splits, House Bill 920 reduction factors (HB 920), and special assessments. The 2026 Homestead general amount ($29,000) and enhanced amount ($58,000) reflect HB 187 inflation indexing — your county auditor's office may show slightly different transitional figures. Nothing here is legal or tax advice. CountyAuditors.org is an independent informational directory, not affiliated with any county government.

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