Washington County Assessor Property Search 2026: Owner & Map

by
Multi-state property lookup • verified August 11, 2026

Choose the Right Washington County First

Washington County property records exist in multiple states, so the fastest search starts by matching the property to the correct state before entering an owner name, address, parcel number, PIN or account number.

Use this guide to reach the correct assessor, parcel map, tax office or deed system in Oregon, Utah, Arkansas, Oklahoma and other Washington Counties, then follow state-specific 2026 appeal, payment and record-checking rules.

Choose My State Search by Owner or Address 2026 Deadlines
Oregon Appeal by Dec. 31 Washington County uses InterMap and Assessment & Taxation property tools.
Utah Appeal by Sept. 15, 2026 The current Board of Equalization deadline is explicitly published for 2026.
Arkansas BOE request by Aug. 17 August 17, 2026 is the last day to make a hearing appointment for the current cycle.
Oklahoma Name • account • address The county-linked assessor search also supports legal-description and parcel-map research.

Fast Answer: Which Washington County Property Search Do You Need?

First identify the state. A Washington County Oregon property near Hillsboro or Beaverton belongs in Oregon’s Assessment & Taxation system. St. George property belongs in Washington County, Utah. Fayetteville-area property belongs in Washington County, Arkansas. Bartlesville-area property belongs in Washington County, Oklahoma.

Washington State is different: there is no normal “Washington County assessor” search for the State of Washington. If the property is in Washington State, identify the actual county—such as King, Spokane or Skagit County—and use that county’s assessor system.
Independent guide: AssessorPropertySearch.org does not operate any county assessor, GIS, tax-payment or recorder database. Property searches shown below lead to government pages or official county-linked systems.

Washington County Assessor Property Search by State

Choose the state before entering an address or owner name. These systems do not share one national Washington County database.

OR

Washington County, Oregon

Best match for Hillsboro, Beaverton, Tigard, Forest Grove, Sherwood and nearby Oregon property.

OwnerAddressTax lotMap

Official Assessment & Taxation public access Open Oregon Property Search
UT

Washington County, Utah

Best match for St. George, Hurricane, Washington City, Ivins, Santa Clara and southern Utah property.

AssessorParcelMapTax

Official Washington County Utah Assessor Open Utah Assessor
AR

Washington County, Arkansas

Best match for Fayetteville, Springdale, Farmington, Prairie Grove and nearby northwest Arkansas property.

OwnerParcelGISValue

Official county Assessor Open Arkansas Assessor
OK

Washington County, Oklahoma

Best match for Bartlesville, Dewey, Copan, Ramona and other Washington County Oklahoma parcels.

NameAccountAddressLegal

Official Washington County Oklahoma Assessor Open Oklahoma Assessor
MN

Washington County, Minnesota

Best match for Stillwater, Woodbury, Cottage Grove, Forest Lake and nearby Minnesota property.

Official county Assessment & Values page Open Minnesota Property Help
PA

Washington County, Pennsylvania

Use the county Tax Revenue department for assessment, parcel-viewer and public-access property routes.

Official Washington County Pennsylvania Open Pennsylvania Tax Revenue
CO

Washington County, Colorado

Useful for Akron-area property searches by owner, location, parcel, legal description, sale information and GIS.

County property records search Open Colorado Records Search
TX

Washington County, Texas

Use Washington County Appraisal District for owner, address, property ID and advanced appraisal searches.

Official Washington County Appraisal District search Open Texas Property Search
VA

Washington County, Virginia

Use the county real-estate data portal for Abingdon-area assessment and parcel information.

Official county-linked real-estate portal Open Virginia Real Estate Data
Wrong-state check: if your expected owner, street or parcel does not appear at all, verify the state before changing the spelling. A correctly formatted Oregon address will still return nothing in Utah, Arkansas or Oklahoma.

How to Search Washington County Property Records

This sequence works across most Washington County assessor and parcel systems without pretending that all states use identical fields.

Confirm the state and city

Identify the state first. Use a city, tax statement, deed, ZIP code or known county boundary to make sure you have the correct Washington County.

Open the official assessor or county-linked property portal

Use the state picker above. Avoid beginning with a paid people-search service when the county already provides public assessment or parcel information.

Search the simplest field first

Try the house number and street name, the owner’s last name, or an exact parcel/PIN/account number. Do not fill every available field at once.

Open the likely parcel and verify it

Compare state, county, site address, owner or taxpayer name, parcel identifier, legal-description clues and tax year before relying on the record.

Save the parcel identifier

Copy the official parcel number, PIN, account number, R number, Tax Lot ID or other identifier shown by that county. It is usually more reliable than repeatedly searching a street address.

Move to the correct second office only when needed

Use GIS for map context, the treasurer or collector for payment, the recorder or clerk for deed history, and the applicable appeal board for a value challenge.

Washington County Assessor Map and GIS Parcel Search

GIS is useful when text search is weak, but map geometry should be treated as research data rather than a legal boundary determination.

Use GIS when

  • The parcel is vacant.
  • The address is missing or outdated.
  • You need to identify an adjoining parcel.
  • A tract was recently split or combined.
  • You have a parcel ID but not a useful address.
  • You need visual location context before opening the record card.

Do not use GIS alone to decide

  • Where a legal boundary lies on the ground.
  • Whether a fence encroaches.
  • The legal location of an easement.
  • Final acreage for a deed.
  • Title ownership.
  • Whether construction is permitted.
Oklahoma makes this limitation explicit: its county mapping instructions state that online property lines are not survey grade and recommend a licensed surveyor when a more accurate property outline is required.

Washington County Oregon Assessor Property Search

For Oregon property near Hillsboro, Beaverton, Tigard, Forest Grove, Sherwood and nearby communities, Assessment & Taxation and InterMap are the core research tools.

Public property access

Use the public Assessment & Taxation site for property and tax-account research. Owner names are currently shown to guest users unless a legal suppression applies.

Official Washington County Oregon public access Search Oregon Property

InterMap

InterMap supports property research by Situs Address, Account Number or Tax Lot ID and can surface general property data, sales/deed information, assessed values and improvement details.

Official Washington County GIS / InterMap Open InterMap

Oregon property-value fields

Term
What it means
User mistake to avoid
Real Market Value (RMV)
County estimate of what the property would sell for in an arm’s-length transaction as of the assessment date.
Do not assume RMV is automatically the taxable amount.
Maximum Assessed Value (MAV)
A statutory value limit that generally increases no more than 3% annually, subject to property-change rules.
Do not interpret the 3% rule as a guarantee that the final tax bill rises by no more than 3%.
Assessed Value (AV)
Generally the lower of RMV or MAV.
New construction and other property changes can add value outside a simple 3% comparison.
Compression
Measure 5 limits operating taxes when calculated amounts exceed constitutional limits based on RMV.
Changes in compression can make the tax bill move differently from AV.
Official fact-sheet takeaway: the normal Oregon value limitation does not prevent added value from changes such as new construction, subdivision or rezoning. The county also explains that tax bills can rise by more than 3% because of levies, property changes, RMV/MAV interaction or compression.

Oregon tax-payment calendar

By October 25

Washington County’s normal deadline for mailing property-tax statements.

November 15

Pay one-third with no discount, two-thirds with a 2% discount, or the full amount with a 3% discount. If the 15th falls on a weekend or holiday, the next business day is treated as timely.

February 15

Second one-third installment when using the three-installment option.

May 15

Third installment, or remaining one-third after a two-thirds November payment.

Mailing tip: Washington County says a payment must be postmarked by the due date to qualify as timely. When mailing close to a deadline, consider obtaining the postmark at a postal counter rather than relying on a collection-box pickup.

Oregon property value appeal

Washington County says owners may appeal real market, maximum assessed, specially assessed or assessed value to the Property Value Appeals Board no later than December 31. The board addresses property value, not whether a tax rate is too high.

  • Review RMV, MAV and AV separately.
  • Check square footage, quality, condition and improvement details.
  • Gather relevant sales and property-condition evidence.
  • Do not wait until the last mailing day to prepare the petition.
  • Call 503-846-3854 for Washington County appeal-form questions.
Ownership correction: Washington County directs ownership-record corrections to Cartography at 503-846-8871. The county notes that its ownership records are maintained for property-tax purposes.
Official Oregon Assessment & Taxation guidance
Read Oregon Tax FAQ Understand Oregon Values Ownership & Map Corrections

Washington County Utah Assessor Property Search

Washington County Utah’s Assessor values taxable real and personal property. The Recorder and GIS systems are useful when ownership, parcel maps or recorded documents are the actual goal.

Assessor

Property valuation and assessor-record routes.

Office: 111 E Tabernacle, St. George, UT 84770
Phone: 435-301-7020

Recorder / Surveyor

Ownership records, recorded documents, property search, interactive map and survey-related resources.

Phone: 435-301-7680

Treasurer

Tax bills, payment methods and payment fees.

Phone: 435-301-7720

2026 Utah market-value appeal

Current 2026 deadline: September 15, 2026. Washington County states that all Board of Equalization appeals must be received by that date.

The county values real property at 100% market value as of January 1. An appeal challenges that market value; the Board of Equalization cannot change the tax rate.

Evidence the Utah county specifically asks for

  • Your own estimate of the property’s market value.
  • At least three comparable sales from the 12 months before January 1 of the current year when using comparable-sales evidence.
  • Closing statement when the subject property itself sold during that 12-month period.
  • For commercial, industrial or multifamily property: relevant income/expense statements, rent rolls, vacancy information and capitalization-rate evidence from the prior three years.
  • Other documents that directly support the requested value change.
  • A separate application for each property being appealed.
Incomplete appeal risk: Washington County Utah states that insufficient or incomplete information can result in dismissal of the appeal.

Primary residence taxable-value rule

Washington County explains that a qualifying primary residence receives a 45% reduction from market value when determining taxable value. A property owner may have only one primary residence for this purpose.

Utah tax payment

Item
Current official guidance
Annual property-tax deadline
Payments must normally be postmarked by November 30 to avoid penalties, subject to the county’s weekend rule.
Credit card
Current Treasurer convenience charge: 2.5% of the payment.
ACH debit
Current Treasurer fee: $0.49 per transaction.
Returned check
Current fee: $20 per occurrence.
Official Washington County Utah resources
Assessor Search Routes 2026 Appeal Information Utah GIS Maps Utah Tax Payment

Washington County Arkansas Assessor Property Search

Washington County Arkansas determines fair market value, maintains parcel records and links to a free public property-search system.

Free property search

The county Assessor FAQ states that its public property-search feature is free. The county links users to actDataScout for the search.

County-linked public property search Open Arkansas Property Search

GIS options

The official Washington County GIS page links both a DataScout map and the county Public Webmap. Use the county GIS page as the safest starting point when a direct vendor link changes.

Official Washington County Arkansas GIS Open Arkansas GIS Page

Arkansas reappraisal and Homestead Credit

Rule
Washington County guidance
Reappraisal cycle
Washington County says real estate is reappraised on a four-year cycle under Act 139 of 2023.
New construction
New construction is added each year rather than waiting for the full county reappraisal cycle.
Homestead Credit
The Assessor FAQ lists a credit of up to $675 on the owner’s primary residence.
Primary-residence reappraisal increase
Taxable-value increases caused by reappraisal are limited to 5% per year for the owner’s primary residence.
Vacant/commercial reappraisal increase
The county FAQ describes a 10% annual limitation for vacant and commercial property increases caused by reappraisal.
Age 65 / disabled primary residence
The county describes additional protection from reappraisal-driven taxable-value increases for qualifying owners.

2026 Arkansas Equalization Board timetable

July 2026

Assessment notices are sent to owners for the equalization cycle.

July 13, 2026

The County Clerk begins making Equalization Board hearing appointments.

August 17, 2026

Last day for a property owner to make an appointment for a Board of Equalization hearing based on the Assessor’s assessment notice.

September 30, 2026

Last day of the Board’s regular equalization session.

October 12, 2026

Published last day to file the next-stage appeal in County Court under the 2026 timetable.

Time-sensitive August 2026 action: for a current assessment-value concern, Washington County’s Assessor FAQ says to call an appraiser at 479-444-1500 on or before the third Monday in August. To schedule a BOE hearing, call 479-444-1711.

Arkansas property taxes are due October 15 of the year following the assessment, according to the Washington County Assessor FAQ.

Official Washington County Arkansas
Read Assessor FAQ 2026 BOE Timetable

Washington County Oklahoma Assessor Property Search

For Bartlesville-area property, Washington County Oklahoma provides assessor records through county-linked public-access and mapping systems.

Search fields available in the Oklahoma assessor-record system

Name

Useful when you know the current assessment owner or taxpayer name.

Account

Useful when you already have the assessor or tax account number.

Address

Use a simple street address to locate an improved parcel.

Legal description

Useful for land or records where the street address is weak.

The resulting property detail can include current ownership, mailing address, legal description, values, building details, land use, sales, deeds, tax-bill information and map context.

County-linked Oklahoma assessor records Search Oklahoma Property Records

Oklahoma parcel map

The Assessor’s mapping instructions say users can search by Street Address, Account Number or Parcel Identification Number, or click a parcel on the aerial map to open ownership and record-card information.
Survey warning: Washington County explicitly states that online property lines are not survey grade. The county also warns that its map is third-party hosted while the Assessor’s GIS/Mapping Department maintains the underlying county data.

Oklahoma homestead exemption timing

Requirement
Current Washington County Oklahoma rule
Ownership/residence
Applicant must be the homeowner of record and reside on the property as of January 1 in the initial filing year.
Deed timing
The county states the deed must be notarized on or before January 1 and filed with the County Clerk on or before February 1.
Current-year filing
Application must be filed by March 15 for approval for that year.
After March 15
A later application can be accepted but cannot be approved until the following year.
Renewal
No annual reapplication is normally required while the owner continues to occupy the homestead, but a deed change or move requires refiling.

Assessor, Treasurer and County Clerk

Assessor

Phone: 918-337-2830
Office: 400 S Johnstone, Suite 300, Bartlesville, OK 74003

Use for fair cash value, assessment and parcel information.

Treasurer

Phone: 918-337-2810
Office: 400 S Johnstone, Room 200

Use for tax collection. The Treasurer does not determine the taxable value or tax rate.

County Clerk

Land Records: 918-337-2834
Office: 400 S Johnstone, Room 100

Use for deeds and recorded land documents.

Official Washington County Oklahoma resources
Read Parcel Map Instructions Open Treasurer Tax Records County Clerk Land Records

Washington County Property Search in Minnesota, Pennsylvania, Colorado, Texas and Virginia

These states are legitimate Washington County matches too. Use the correct state route rather than forcing Oregon, Utah, Arkansas or Oklahoma data onto the search.

State
Best starting point
Useful search detail
Minnesota
Washington County Assessment & Values / Assessor search.
2026 assessed values use qualifying sales from Oct. 1, 2024 through Sept. 30, 2025, trended to the Jan. 2, 2026 assessment date. Annual valuation notices are generally sent in late March.
Pennsylvania
Washington County Tax Revenue.
Use county assessment/public-access and parcel-viewer routes; tax-payment and claims functions can be separate.
Colorado
Washington County records search.
Search options include owner name, location, parcel number, legal description, sales and GIS.
Texas
Washington County Appraisal District.
The appraisal search provides owner, address, property ID and advanced-search routes; deed records belong with the county clerk.
Virginia
Washington County real-estate data portal.
Use the county-linked assessment system and contact the Commissioner of the Revenue for assessment questions.
Official / county-linked starting pages
Minnesota Assessor Search Pennsylvania Tax Revenue Texas Appraisal Search

Washington County 2026 Property Appeal Deadlines Are Not Interchangeable

The same county name does not mean the same appeal board or deadline. Confirm both the state and assessment year from the official valuation notice.

Washington County
2026/current rule verified
Practical action
Oregon
Property-value appeals to the county Property Value Appeals Board are due no later than December 31 under the current county guidance.
Review RMV, MAV and AV and prepare evidence before the December deadline.
Utah
September 15, 2026 — all current Board of Equalization appeals must be received by this date.
Submit the application and evidence; incomplete information can result in dismissal.
Arkansas
August 17, 2026 — last day to make a BOE hearing appointment under the published 2026 timetable.
Call 479-444-1711 to schedule the hearing if the current assessment is being challenged.
Oklahoma
The Assessor provides informal-review and Equalization Board processes, but do not reuse another state’s calendar.
Use the current notice and contact 918-337-2830 promptly for the applicable filing schedule.
Never Google only “Washington County appeal deadline.” A correct Utah date can be completely wrong for Oregon, Arkansas, Oklahoma, Minnesota or another Washington County.

Evidence checklist before an appeal

  • Correct state, property and assessment year.
  • Official parcel/account identifier.
  • Valuation notice.
  • Current property record card.
  • Incorrect building or land facts marked clearly.
  • Relevant comparable sales.
  • Dated condition photos.
  • Repair estimates or inspection evidence when relevant.
  • Recent sale/closing documents when allowed.
  • A specific requested value or factual correction.

Assessor Search vs Property Tax Payment vs Deed Records

A common search mistake is expecting one property screen to perform every county function.

Assessor / appraisal office

  • Property value.
  • Classification.
  • Parcel characteristics.
  • Assessment owner/taxpayer display.
  • Exemption or value-review routing.

Tax office / treasurer / collector

  • Tax statement.
  • Balance due.
  • Payment receipt.
  • Penalty/interest.
  • Delinquency information.

Recorder / clerk

  • Recorded deed.
  • Mortgage.
  • Lien or release.
  • Recorded plat.
  • Grantor/grantee history.
Do not pay based only on an assessor value screen. Open the responsible state/county tax office and confirm the actual tax account, year, balance and payment status.

How to Move From an Assessor Record to the Recorded Deed

The assessor database is a good starting point for ownership clues. Recorded-document systems are the better source when you need the actual deed or transfer instrument.

Find the parcel first

Save the current assessment owner, parcel/PIN/account number, site address and legal-description clues.

Identify the recorder office for that state

The office may be called Recorder, County Clerk, Circuit Clerk, Register of Deeds or another title depending on the state.

Search the likely grantor or grantee

Use owner names together with an approximate recording period and parcel/legal-description information.

Match the property description

Do not select a deed only because a person has the same name. Compare the legal description, parcel context and recording details.

Order the correct copy when necessary

A browser image may be adequate for research, while a title, court or transaction purpose may require an official or certified copy.

Why Your Washington County Property Search Shows No Results

Problem
Likely reason
Best next action
No address result
Too much address formatting.
Search house number + street name only, then remove suffix/direction.
No owner result
Wrong state, name format, trust/LLC, privacy suppression or recent sale.
Search last name only, then property address or parcel number.
Completely unrelated properties
Wrong Washington County state.
Return to the state picker before changing other search fields.
Parcel number rejected
Wrong identifier type or punctuation.
Confirm whether the number is parcel, PIN, account, R number, Tax Lot ID or deed instrument.
Recent buyer not displayed
Assessment ownership has not yet caught up with the recorded deed.
Search by address and verify the recorded document with the recorder/clerk.
Tax balance not shown
You are in the assessor system rather than the tax-payment system.
Use the correct treasurer, collector or tax office for that state.
Map line seems wrong
GIS boundaries are generalized assessment/mapping data.
Use a recorded plat/deed and licensed surveyor for a legal boundary question.
Current appeal date is unclear
Search results may show an old tax year or another Washington County.
Open the current official valuation/appeal page for the correct state and year.

Five-field verification before you trust a result

  • Correct state.
  • Correct county.
  • Correct property/site address.
  • Correct parcel/PIN/account identifier.
  • Correct assessment or tax year.

Privacy, Paid Reports and Property Search Safety

Do not pay just to discover a parcel

Several Washington Counties provide free assessment or parcel lookup. Start from the county page before buying a private property report.

Do not treat owner display as title proof

The assessment owner can lag a deed transfer or be displayed differently. Use the recorder/clerk system for the actual recorded instrument.

Respect suppressed data

When an official portal legally suppresses an owner name or mailing address, do not try to bypass that protection through misleading methods.

Washington County Assessor Property Search FAQs

Which Washington County assessor property search website should I use?

First confirm the state where the property is located. Washington County exists in Oregon, Utah, Arkansas, Oklahoma, Minnesota, Pennsylvania, Colorado, Texas, Virginia and other states, and each county uses its own property-record system.

Can I search Washington County property records by owner name for free?

Many Washington County systems provide free owner or property searches. Start with the official county or county-linked assessor portal, search the owner’s last name first, and use the address or parcel number if the name is formatted differently or legally suppressed.

How do I search Washington County property records by address?

After confirming the state, enter the house number and main street name first. If no result appears, remove the unit, city, ZIP code, direction and street suffix, then try owner or parcel search.

What is the best way to search a Washington County parcel?

Use the exact parcel number, PIN, account number, Tax Lot ID or other official property identifier shown by that county. Save the identifier after finding the property because it is usually more precise than an address search.

Where can I find a Washington County assessor map?

Use the GIS or parcel viewer for the correct state. Oregon uses InterMap, Arkansas provides county-linked GIS maps, Utah maintains a GIS map inventory, and Oklahoma provides a county-linked online mapping tool. GIS lines should not be treated as a legal survey.

What is the 2026 Washington County Utah property appeal deadline?

Washington County Utah currently states that all 2026 Board of Equalization appeals must be received by September 15, 2026. An appeal should include the owner’s estimate of value and evidence supporting the requested change.

What is the 2026 Washington County Arkansas Equalization Board deadline?

The published 2026 timetable lists August 17, 2026 as the last day for a property owner to make an appointment for a Board of Equalization hearing based on the Assessor’s notice.

When are Washington County Oregon property taxes due?

Washington County Oregon normally uses November 15, February 15 and May 15 installment dates. A full November payment receives a 3% discount, while paying two-thirds in November receives a 2% discount. When the 15th falls on a weekend or holiday, the next business day is treated as timely.

How do I search Washington County Oklahoma property records?

The county-linked Oklahoma assessor-record search supports Name, Account, Address and Legal Description searches. Its property pages can also provide ownership, values, building details, sales, deed, tax and map information.

Is Washington County the same as Washington State?

No. Washington County is a county name used in multiple states. If the property is in Washington State, identify its real county, such as King, Spokane or Skagit County, and use that county’s assessor system.

Best Next Step

Confirm the state first, open that Washington County’s official property system and search with the simplest reliable field. Once you find the parcel, save its permanent identifier before moving to GIS, tax payment, deed records or an assessment appeal.

For a 2026 deadline or payment, use the state-specific official source beside that section rather than copying a date from another Washington County.

Property Search Smart Helper

Find the Right Property Record, Tax Bill, Deed or Assessor Search Route

Use this helper before searching county property records. It helps you choose the right office, prepare the right details, avoid wrong-office mistakes, and review property records safely.

Official-source focused Use county assessor, appraiser, auditor, tax collector, treasurer, recorder, clerk, GIS and appeal resources where available.
Not legal or tax advice Always confirm values, taxes, deeds, exemptions, appeals and deadlines with the official county office.
Works across states Designed for APN, PIN, parcel number, STRAP, folio, account number, GIS map and deed-record searches.

Property Search Route Finder

Choose what you have and what you want to find. The tool will suggest the best search route and common mistake to avoid.

Copied.

Parcel / APN / PIN Format Helper

Parcel numbers are formatted differently by county. Try these variations if your official search does not return results.

This tool does not send or store your entry. It only creates search-format ideas on this page.
Copied.

Assessor, Tax Collector, Recorder or GIS?

Select your issue and this tool will show the office that usually handles it.

Choose an option above
This finder helps prevent wrong-office mistakes. Exact office names vary by state and county.

Simple Property Tax Estimate Helper

This is a general estimate only. State and county tax rules differ, so always verify final bills with the official tax collector, treasurer or county tax office.

Copied.

Exemption / Appeal Readiness Checklist

Use this before applying for an exemption or challenging a value. Missing proof is one of the biggest reasons users waste time or miss deadlines.

Property Record Review Checklist

Review these fields before relying on any assessor, appraiser, auditor, property appraiser, tax or deed record.

Official-source and accuracy note: This helper is for educational use only. Property values, tax bills, deeds, exemptions, GIS boundaries and appeal deadlines can change. Always confirm final information with the official county assessor/appraiser/auditor, tax collector/treasurer, recorder/clerk, GIS office or appeal board.