Whitman County Property Tax Records
Whitman County property tax records are maintained by the Assessor's Office in Colfax and are searchable online through the county's Tax Sifter portal. You can look up parcel data, assessed values, ownership information, tax amounts, and property characteristics for any parcel in this southeastern Washington county. This page covers the tools, offices, and processes you need to find Whitman County property tax records, including resources specific to the city of Pullman.
Whitman County Overview
Whitman County Assessor Property Tax Records
The Whitman County Assessor's Office is located at 400 N. Main Street, Colfax, WA 99111. Call 509-397-6220 to reach the office. Assessor's Notices of Change of Value are mailed annually; the 2026 notices were mailed August 29, 2025. Taxpayers have 30 days from the date on the notice to file an appeal with the Board of Equalization.
Accredited appraisers from the Assessor's Office physically inspect one-sixth of the county each year to adjust values. Sales analysis is stratified by neighborhood in larger communities like Pullman and by district in rural areas. State law under RCW 84.41.030 requires assessed values to reflect 100% of true and fair market value. Increased income thresholds set by the state now enable more seniors and disabled persons to qualify for property tax reductions. Contact the Assessor at 509-397-6220 to ask about application forms and current income limits.
| Office | Whitman County Assessor's Office |
|---|---|
| Address | 400 N. Main Street Colfax, WA 99111 |
| Phone | 509-397-6220 |
| Online Search | terrascan.whitmancounty.net |
The screenshot below is from the Whitman County Assessor's website, which links to the Tax Sifter portal, value notice information, and exemption programs.
The Assessor's page is the primary resource for Whitman County property valuation information, online parcel searches, and exemption program details.
Search Whitman County Property Tax Records Online
The Whitman County Tax Sifter portal is the primary public lookup tool for property tax and assessment records. You must agree to the disclaimer before accessing results. RCW 42.56.070 prohibits use of lists of individuals for commercial purposes. Once past the disclaimer, search by address, parcel number, or owner name. Results show assessed values, tax amounts, property characteristics, and sales information. The system is widely referenced by the county Assessor and Treasurer as the main public search tool and is updated regularly from both offices.
Tax Sifter also supports online property tax payments for first-half and second-half taxes, so you can look up your balance and pay in one place. If you need parcel data in bulk or in GIS format, the Tax Sifter data comes from the TerraScan platform, which connects to the county's assessment database. Contact the Assessor's Office at 509-397-6220 if you need help interpreting results or cannot find a specific parcel.
The screenshot below is from the Whitman County Tax Sifter portal, which is the official online search system for property tax and assessment records maintained by the Assessor and Treasurer.
The Tax Sifter system lets you search by address, parcel number, or owner name and displays assessed values, tax amounts, and property characteristics for all Whitman County parcels.
Whitman County Property Tax Assessment
Washington State law requires all property to be assessed at 100% of fair market value under RCW 84.40. Whitman County appraisers physically inspect one-sixth of the county each year and conduct annual sales analysis to keep values current. In larger communities like Pullman, the analysis is stratified by neighborhood. In rural areas of the county, analysis is conducted by district.
Whitman County is largely agricultural, with major crops including wheat, barley, and legumes. Agricultural land and open space may qualify for current-use classifications that result in lower assessed values than market-rate residential or commercial property. The Assessor uses mass-appraisal methods and the TerraScan platform to manage valuation data across the county. The Washington Department of Revenue provides statewide context on how assessments work and how levy limits are set at dor.wa.gov/taxes-rates/property-tax.
Paying Whitman County Property Taxes
Treasurer Chris Nelson manages property tax collections at 400 North Main Street, Colfax, WA 99111. Call 509-397-6230 to reach the Treasurer's Office. Taxpayers signed up for eNotices receive statements by email in early March. Others receive mailed statements around the same time.
Under RCW 84.56, taxes of $50 or more can be paid in two halves. First half is due April 30. Second half is due October 31. Partial payments are prohibited by state law. Payments must be made in U.S. currency by check, cashier's check, or money order payable to the Whitman County Treasurer. Real estate with delinquent taxes for three or more years is subject to foreclosure proceedings under RCW 84.64. Foreclosure begins after a Certificate of Delinquency is filed in Superior Court.
The Whitman County Treasurer's property tax collection page covers senior citizen and disabled persons exemptions, mobile home move permits, and Tax Paid Under Protest procedures under RCW 84.68.20 for owners who want to preserve the right to seek a court-ordered refund. Mobile home owners must contact the Treasurer before buying or selling to ensure proper tax account changes. Movement of a mobile home without a Treasurer-issued permit may result in a penalty under RCW 46.44.175.
The screenshot below is from the Whitman County Treasurer's property tax collection page, which covers exemption eligibility, payment rules, and mobile home procedures.
This page also explains the Tax Paid Under Protest procedures and the foreclosure process for delinquent Whitman County property tax accounts.
The screenshot below is from the Whitman County Treasurer's main page, which covers the office's full scope of responsibilities including tax collections, real estate excise tax, and distraint procedures.
The Treasurer's main page links to payment resources, eNotice sign-up, and information on mobile home and personal property tax accounts for Whitman County.
Tax Exemptions and Relief in Whitman County
Whitman County seniors and disabled persons may qualify for property tax reductions on their primary residence. To qualify, you must be 61 years old or retired due to disability and meet the income limits set by state law. Application forms and information are available by calling the Assessor at 509-397-6220. The state has recently increased the income thresholds, so more people may now qualify than in prior years.
The Washington Department of Revenue maintains the full list of current programs at dor.wa.gov/taxes-rates/property-tax/property-tax-exemptions-and-deferrals. Additional programs may apply to farm land, timber land, and open space in Whitman County. Contact the Assessor to find out if your property qualifies for any current-use classification or exemption program.
Appealing a Whitman County Property Tax Assessment
If you believe your assessed value is wrong, you have 30 days from the date on your Notice of Change of Value to file an appeal with the Whitman County Board of Equalization. The 2026 notices were mailed August 29, 2025. Start by reviewing your parcel data in the Tax Sifter portal. Check the recorded characteristics and the sales used for comparison. Contact the Assessor at 509-397-6220 for an informal review before filing a formal appeal.
For the formal appeal, bring evidence such as comparable sales data or an independent appraisal. If the Board's decision does not resolve the issue, the next step is the Washington State Board of Tax Appeals. That body handles county appeals across the state. Appeals address the assessed value only, not the levy rate set by taxing districts.
Whitman County Auditor Recording and Document Search
The Whitman County Auditor's Office at 400 North Main Street, Colfax, WA 99111, phone 509-397-6270, serves as the county recorder for real estate documents including deeds, mortgages, liens, and maps. The Whitman County Auditor's recording searches page provides access to the public web site for recorded document searches at whitmanwa.countygovernmentrecords.com. A Public Login allows you to see a summary of searched documents by name, parcel number, or Auditor File Number. To view or purchase full documents, register as a new user on the vendor site.
Historical documents filed before 1982 are not yet online. Offline historical records are accessible in the Auditor's office, at the Washington State Archives in Cheney, or via a recording deputy paid search. Paid staff searches require a 5-year time frame, grantor or grantee name, and abbreviated legal description. Staff search fees are $8 per hour, plus $1 per printed page. The Auditor is a constitutional officer elected by Whitman County voters. Whitman County does not issue business licenses; those are handled by the Washington Department of Revenue.
The screenshot below is from the Whitman County Auditor's recording searches page, which links to the online document search and explains the process for accessing historical records.
The recording searches page covers online document access, the vendor registration process for full document viewing, and paid staff search procedures for pre-1982 records in Whitman County.
Cities in Whitman County
Whitman County includes one qualifying city with its own page in this directory:
- Pullman - home to Washington State University and the largest city in Whitman County
Colfax (county seat) and smaller communities like Palouse, Rosalia, and Tekoa do not meet the population threshold for individual city pages. All property tax records for parcels anywhere in Whitman County are processed through the Whitman County Assessor and Treasurer at 400 North Main Street in Colfax.
Nearby Counties
These counties border Whitman County in eastern Washington. Each maintains its own assessor and treasurer for property tax records.