OAR 166-150-0015
Assessment and Taxation Records


Additional Tax Due and Valuation Notices: Used to notify property owners of disqualification of specially assessed property or errors made in the valuation process. Types of disqualifications include farm, forest, historical, residential or commercial zone, and others. Types of valuation changes include omitted property, clerical error, and others. Records notifying property owners of adjudicated notices may include name, address, value, tax assessed, tax year, and reason for disqualification or change. (Minimum retention: 3 years after entered on tax roll)


Annual Tax Certification Records: Record of certified levies to be collected for each taxing district which was placed on the tax roll and is filed with the County Clerk. Summarizes taxes levied by property type and levy type. May include the following information by district: levies, value, offsets, tax rates, tax losses, add taxes, and percentage of distribution. (Minimum retention: 6 years)


Appraisal Records: Record of land and building appraisals including all elements used to determine the value of the property. May include property identification number and legal description, owner name and address, diagram cards, appraisal activity log, current value, remarks, sales and building permit history, roll value history, sketch notes, appeal history, construction detail, improvement valuation, land valuation, and special use valuation. Also may include records documenting valuation by year. (Minimum retention: 12 years)


Assessment and Tax Roll: Official record of assessments, tax levied, and changes to the tax roll on all properties. May include name, address, assessed value, real market value, taxes levied, legal description, sites address, code area, property class, and any changes made since previous tax roll. May also include additional tax rolls previously maintained for deferred homesteads, yield tax, reforestation, additional tax on timber, and others. (Minimum retention: (a) Years through 1905: Permanent (b) Fiscal Years ending in 0 and 5 after 1905: Permanent (c) Fiscal Years 1906 and later (except years ending in 0 and 5): 50 years)


Assessment Appeal Records: Notification to the Assessor that a property owner disagrees with the assessed value of the property. May include Board of Property Tax Appeals, Department of Revenue, or tax magistrate petitions and orders. May also include correspondence relating to the appeal. Original petition, evidence, and order are filed with the County Clerk or the Department of Revenue. (Minimum retention: 2 years)


Assessment Rolls: Compilation of real and personal property values as established by May 1 of each calendar year. Used to generate taxes in the following tax year. These records were created prior to the legislative change combining the assessment and tax rolls. May include name, address, location, account numbers, legal description, and valuation. (Minimum retention: If Tax Rolls do not exist for the below-specified time periods, or if the tax and appraisal function is documented in one record for a particular time period, use the following: (a) Years through 1905: Permanent (b) Fiscal Years ending in 0 and 5 after 1905: Permanent (c) Fiscal Years 1906 and later (except years ending in 0 and 5): 50 years (d) If separate Tax Rolls exist for the above specified time periods: 6 years)


Assessor’s Maps: Cartographic records produced and maintained by the Assessor outlining the boundaries of each land parcel subject to separate assessment within the county, with the parcel’s tax lot or account number shown on the parcel. May include code area boundaries and the assigned code area numbers. (Minimum retention: Retain until superseded or obsolete)


Bankruptcy Records: Monitors the actions of U.S. Bankruptcy Courts as it pertains to the assessing and collecting of property taxes. May include notification from the court, request for relief of automatic stay, reorganization and payment plans, discharges, and related correspondence. (Minimum retention: 2 years after case closed)


Department of Motor Vehicles Form 113: Used to certify that taxes have been paid on manufactured structures so that they can be moved, sold, or dismantled. Information may include owner name and address, property location, appraised value, taxes due and taxes paid. This program moved to Department of Business and Consumer Services Building Codes Division in May 2005 which issues trip permits in lieu of DMV Form 113’s. (Minimum retention: (a) Tax Collector information: 1 year (b) Assessor information: Life of the structure)


Disqualified Tax Payments: Used to document the collection of taxes for properties that have been disqualified as having a special assessment. Information may include property owner name and address, tax year, market or non special assessment value, farm use value, tax rate, number of years for rate, total additional tax per year, total tax due, reason for disqualification, and disqualification value. (Minimum retention: 7 years)


Exemption Claims: Applications by war veterans or veteran’s widows and qualifying exempt organizations for total or partial property tax exemption. May include applications, marriage licenses, death certificates, military service discharge records, by-laws, rental agreements, and other records. (Minimum retention: 2 years after superseded or exemption disqualified)


Foreclosure Records: Documents the actions of the Tax Collector during foreclosure and redemption of real property. May include declarations of delinquency, notifications to property owner and lien holders, official publication lists, applications for final judgment and decree, final judgment and decree, record of lien holders, redemption certificates, deeds of foreclosed property, and related correspondence. (Minimum retention: 6 years after property deeded to county or redeemed by recorded interest holder)


Homeowner’s Property Tax Relief Records: Applications for property tax reduction based on legislatively mandated amounts distributed through the Department of Revenue. May include applications, adjustment, fund transfer, denial, and disqualification records. (Minimum retention: 2 years)


Journal Vouchers-Roll Changes: Assessor’s copy of request to Tax Collector to change or correct the tax roll in counties where separate records are maintained. May indicate value, tax code, exemptions and other changes. May include vouchers, opinion and order from Department of Revenue, Board of Property Tax Appeals orders, and tax court and supreme court orders. (Minimum retention: 6 years, or until real property tax rolls of the year affected by the voucher have been foreclosed and the foreclosed property deeded to the agency)


Partition Plats and Subdivision Plats: Used to document that taxes have been paid on properties prior to the partition/subdivision development. Information may include parcel description, name of partition or subdivision, tax lot information, number of parcels and acres, and amount of taxes paid. (Minimum retention: 2 years)


Personal Property Delinquent Tax Records: Notification by individual correspondence or official publication to property owner of intent to issue a judgment lien on personal property for non-payment of taxes. Also used to record or release lien against owner of property on tax roll. Lien is recorded and retained by the County Clerk. Includes owner name, type of personal property, account number, years and amounts delinquent, and authorizing signature. (Minimum retention: 2 years after the associated liens are issued)


Personal Property Returns: Documents the value all business machinery and equipment within the county to determine the valuation of personal property for taxing purposes. May include name of taxpayer/business, address, location, signatures, and purchase price and date purchased of business machinery. (Minimum retention: 6 years)


Ratio Studies: Used to update appraisal values between reappraisals of property. May include sales data cards, sales verifications, sales ratio report, and supporting documents. Information on report may include property sales by neighborhood or reappraisal areas, ratio of sales to property values, previous study statistics, and individual sales listings. (Minimum retention: 6 years)


Refund Records: Used to record the overpayment of taxes and then to document that notification was to over payers requesting information on who the refund should be issued to. Information may include account name and number, property location, tax lot number, amount of overage, cause of overage, and deadline for response. (Minimum retention: 6 years)


Revenue (Department of) Reports: Reports sent to the Department of Revenue summarizing information placed on the tax roll and providing detail of expenditures supporting reimbursement for operational expenses. Reports may include Summary of Assessments and Levies (SAL) Report, Property Tax Program Grant Document Detail Report, and Tax Collection Year-End Report. (Minimum retention: 6 years)


Senior and Disabled Citizens Tax Deferral Applications: Applications by senior citizens to defer property taxes or special assessments. Disqualification occurs with death of applicant, property sale, or exceeding income limit. Taxes are paid by the state with lien attached to property. Applications may include name, address, location, account number, legal description, deed references, and authorizing signatures. This series may also include applications for delay of foreclosure. (Minimum retention: 2 years after disqualified or lien satisfied)


Special Valuation Applications: Requests for special assessment of properties on the basis of special use. Uses include forest land, farmland, historic properties, enterprise zones, and single family residence in commercial zones. Applications and worksheets may include name, address, account number, number of acres in use, farm income documentation, historic designation, year assessed, and real market value (RMV) of property. (Minimum retention: 6 years after disqualified)


Tax Collection and Distribution Records: Records summary of taxes collected and distributed. May include date of collection and distribution, amount distributed, percentage of collection and distribution, year of tax, and adjustments. (Minimum retention: (a) Percentage Distribution Schedule: 25 years (b) All other records: 3 years)


Tax Lot Cards: Records contain official descriptions of real property and are used to track land ownership and lot size and also may serve as a deed reference. Records include tax lot number; the location of the land in reference to township, range, and section; and a description and record of changes to the property, acreage, and land owner. (Minimum retention: Permanent)


Tax Payment Records: Records individual payments made by taxpayers on an account. May include county name, fiscal year for which taxes entered, address, code area, date paid, amount, and property for which taxes paid. (Minimum retention: 7 years)


Tax Statement Requests: Authorization for lender to pay property taxes on individual properties. Provides lender information on assessed values and levied taxes on individual properties. May include account number, lender name and loan number. (Minimum retention: 2 years)


Tax Turnover Records: Documents amounts paid to each taxing district based on the Tax Collection and Distribution schedule calculated by the Tax Collector. Includes date of distribution, district name, and amount distributed. May also include percentage of collection and distribution, year of tax, and adjustments. (Minimum retention: 6 years)


Taxing District Records: Notification to the Assessor from city, fire, school, and other special districts to levy taxes. Includes records received from districts such as notifications to levy taxes, categorizations of levies, resolutions from governing body to levy taxes, detail budgets, and public notices. Also may include tax rate computation sheets and other records used or created by the Assessor in calculating the tax rates. (Minimum retention: (a) Notice of Property Tax Levy and Certification of Categorization: 6 years (b) All other records: 2 years)

Source: Rule 166-150-0015 — Assessment and Taxation Records, https://secure.­sos.­state.­or.­us/oard/view.­action?ruleNumber=166-150-0015.

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Last Updated

Jun. 8, 2021

Rule 166-150-0015’s source at or​.us