ORS 308.210
Assessing property

  • record as assessment roll
  • changes in ownership or description of real property and manufactured structures assessed as personal property

(1)

The assessor shall proceed each year to assess the value of all taxable property within the county, except property that by law is to be otherwise assessed. The assessor shall maintain a full and complete record of the assessment of the taxable property for each year as of January 1, at 1:00 a.m. of the assessment year, in the manner set forth in ORS 308.215 (Contents of assessment roll). Such record shall constitute the assessment roll of the county for the year.

(2)

Except as provided in subsections (3) and (4) of this section, the ownership and description of all real property and manufactured structures assessed as personal property shall be shown on the assessment roll as of January 1 of such year or as it may subsequently be changed by divisions, transfers or other recorded changes. This subsection is intended to permit the assessor to reflect on the assessment roll the divisions of property or the combining of properties after January 1 so as to reflect the changes in the ownership of that property and to keep current the descriptions of property. The assessor shall also have authority to change the ownership of record after January 1 of a given year so that the assessment roll will reflect as nearly as possible the current ownership of that property.

(3)

The assessor shall not indicate any changes, divisions or transfers of properties which occurred before, on or after January 1 as a result of the division of a larger parcel of land until all ad valorem taxes, fees and other charges placed upon the tax roll on the entire parcel of property that have been certified for collection under ORS 311.105 (Certificate of taxes levied or imposed) and 311.110 (Warrant of clerk authorizing collection of taxes) have been paid. However, if the owner of one of the portions of the larger property is a public body only the change, division or transfer of that portion shall be recognized.

(4)

The assessor shall not reflect on the assessment roll any combining of properties unless all ad valorem taxes, fees or other charges charged to the tax accounts to be combined that have been certified for collection under ORS 311.105 (Certificate of taxes levied or imposed) and 311.110 (Warrant of clerk authorizing collection of taxes) have been paid. However, if the owner of the affected property is a public body, this subsection shall not apply.

(5)

The assessor shall notify the planning director of a city of all divisions of land within the corporate limits of the city and the planning director of a county of all divisions of land outside the corporate limits of all cities and within the county, including, but not limited to, divisions of land by lien foreclosure, divisions of land pursuant to court order and subdivisions within 30 days after the date the change in the tax lot lines was processed by the assessor. The requirements of this subsection do not apply to divisions for assessment purposes only.

(6)

As used in this section, “public body” means the United States, its agencies and instrumentalities, the state, a county, city, school district, irrigation or drainage district, a port, a water district and all other public or municipal corporations in the state exempt from tax under ORS 307.040 (Property of the United States) or 307.090 (Property of the state, counties and other municipal corporations). [Amended by 1957 c.324 §1; 1969 c.454 §1; 1977 c.718 §1; 1981 c.632 §2; 1983 c.473 §1; 1983 c.718 §1; 1991 c.459 §90; 1991 c.763 §27; 1993 c.6 §4; 1995 c.610 §1; 1997 c.541 §154]

Source: Section 308.210 — Assessing property; record as assessment roll; changes in ownership or description of real property and manufactured structures assessed as personal property, https://www.­oregonlegislature.­gov/bills_laws/ors/ors308.­html (accessed May 26, 2025).

Notes of Decisions

“Real market value” means the assessor’s estimate of real market value as of July 1. Cascade Steel Rolling Mills, Inc. v. Dept. of Rev., 13 OTR 252 (1995)

Real market value and estimated real market value on same date are identical except where property is subject to depreciation or waste. Cascade Steel Rolling Mills, Inc. v. Dept. of Rev., 13 OTR 252 (1995)

Where appeal is to board of ratio review, burden on taxpayer is to prove that events occurring after July 1 caused value of property at some point during tax year to be less than July 1 estimate. Cascade Steel Rolling Mills, Inc. v. Dept. of Rev., 13 OTR 252 (1995)

308.005
“Assessor” includes deputy 308.007
Definitions 308.010
Registered appraiser requirements 308.015
Alternate qualifications for registered appraisers 308.030
Penalty for failure to file certain statements within time limits 308.050
Assessor’s annual report on property appraisal program 308.055
Special assessor appointed if assessor fails to act 308.057
Continuing education of county assessors required 308.059
Qualifications of managerial employees of assessor 308.062
Action by department when appraisals not being conducted as provided by law 308.065
Administering of oaths by assessors and deputies 308.105
Personal property 308.115
Minerals, coal, oil, gas or other severable interests owned separately from realty not subject to tax 308.120
Partnership property 308.125
Undivided interest 308.130
Undivided estate of decedent 308.135
Trustee or personal representative separately assessed 308.142
“Property” and “property tax account” defined 308.146
Determination of maximum assessed value and assessed value 308.149
Definitions for ORS 308.149 to 308.166 308.151
Certain cities authorized to define “area” as city by ordinance or resolution 308.153
New property and new improvements to property 308.156
Subdivision or partition 308.159
Lot line adjustments 308.162
Property tax account modifications 308.166
Ordering provisions when property is subject to multiple special determinations of value 308.205
Real market value defined 308.207
Computation of real market value for taxing or bonding limitations 308.210
Assessing property 308.212
Requirement for property owner to file address 308.215
Contents of assessment roll 308.217
Form of assessment and tax rolls 308.219
Assessment and tax rolls 308.225
Boundary changes 308.231
Only registered appraisers to appraise real property 308.232
Property to be valued at 100 percent real market value and assessed at assessed value 308.233
Use of sales data for physical appraisal 308.234
Record of last appraisal 308.235
Valuation of real property 308.236
Land values to reflect presence of roads 308.240
Description of real property 308.242
Assessor’s authority to change roll after September 25 limited 308.245
Maps 308.250
Valuation and assessment of personal property 308.256
Assessment, taxation and exemption of watercraft and materials of shipyards, ship repair facilities and offshore drilling rigs 308.260
Watercraft used for reduction or processing of deep-sea fish 308.270
Public lands sold or contracted to be sold to be placed on assessment roll 308.275
Use of reproduction cost or prices and costs in determining assessed values 308.285
Requiring taxpayer to furnish list of taxable property 308.290
Returns 308.295
Penalties for failure to file real property or combined return on time 308.296
Penalty for failure to file return reporting only personal property 308.297
Personal property returns to note penalty for delinquency 308.300
Penalty for neglecting to file real property or combined return with intent to evade taxation 308.302
Disposition of penalties 308.310
When list of persons issued electrical permits supplied 308.316
Examining witnesses, books and records 308.320
Oath of assessor upon completion of assessment roll 308.330
Duty of assessor to assess properly 308.335
Department testing work of county assessors 308.408
“Industrial plant” defined 308.411
Appraisal and real market valuation of industrial plants 308.412
Effect of election to exclude income approach to value under prior law 308.413
Confidential information furnished under ORS 308.411 308.425
Proration of taxes after destruction or damage 308.440
Relief not allowed in case of arson by property owner 308.450
Definitions for ORS 308.450 to 308.481 308.453
Policy 308.456
Application of ORS 308.450 to 308.481 308.457
Determining boundaries of distressed areas 308.459
Valuation of rehabilitated property not to be increased 308.462
Qualifications for limited assessment 308.466
Processing applications for limited assessment 308.468
Fee for limited assessment applications 308.471
Owner to file statement with governing body when rehabilitation project finished 308.474
Owner to file annual statement regarding rental property transactions if agreement filed under ORS 308.462 (2) 308.477
Termination of limited assessment for incomplete construction or noncompliance 308.479
Termination of limited assessment for change of use 308.481
Extending deadline for completion of rehabilitation project 308.490
Determining value of homes for elderly persons 308.505
Definitions for ORS 308.505 to 308.674 308.510
Real and personal property classified for ORS 308.505 to 308.674 308.515
Department to make annual assessment of designated utilities and companies 308.516
Certain exceptions to ORS 308.515 308.517
To whom property assessed 308.518
Legislative intention with respect to ownership or operation of data centers 308.519
Local assessment of data center property 308.521
Property of cooperative providing steam or hot water heat by combustion of biomass exempt 308.524
Companies to file statements 308.525
Contents of statement 308.530
Company not relieved from making other reports 308.535
Extension of time for making reports or statements 308.540
Department to prepare assessment roll 308.545
Mode of valuing property 308.550
Valuing property of company operating both within and without state 308.555
Unit valuation of property 308.558
Taxation of aircraft 308.560
Assessment roll 308.565
Apportionment of assessment among counties 308.570
Determining value per mile of main and branch lines of companies using rail lines 308.575
Determining value per mile of property of companies using wire, pipe or pole lines or operational routes 308.580
Department to review and correct tentative assessment roll 308.582
Notice of tentative assessment 308.584
Request for conference to modify tentative assessment 308.585
Delivery of tentative assessment roll to director 308.590
Review and correction of tentative assessment roll 308.595
Notice when valuation increased or omitted property placed on tentative assessment roll 308.600
Director’s examination of rolls 308.605
Entry of corrections and changes 308.610
Oath of director upon completion of review 308.615
Keeping roll as public record 308.621
When assessment complete 308.624
Correction of certified roll 308.628
Omitted property subject to assessment 308.632
Notice of intention to add omitted property to assessment roll 308.636
Correction of assessment roll to reflect omitted property 308.640
Assessment and taxation of personal property of small private railcar companies 308.645
Reports by companies of mileage to county assessors 308.650
Companies to maintain principal office and agent within state 308.655
Rules and regulations 308.665
Railroad car exemption 308.671
Elective exemption of certain communication-related property 308.674
Exemption equal to difference between real market value of company’s centrally assessable property and 130 percent of cost of company’s centrally assessable real and tangible personal property 308.701
Definitions for ORS 308.701 to 308.724 308.704
Option of owner to choose special assessment 308.707
Valuation of multiunit rental property subject to special assessment 308.709
Application procedure 308.712
Methods to determine specially assessed value 308.714
Disqualification 308.723
Application of property tax expenditure funding 308.724
Rules 308.805
Mutual and cooperative electric distribution systems subject to tax on gross earnings 308.807
Amount of tax 308.810
Association to file statement 308.815
Examination of return by department 308.820
Tax as a lien 308.865
Notice and payment of taxes before movement of mobile modular unit 308.866
Definition of “mobile modular unit” 308.875
Manufactured structures classified as real or personal property 308.880
Travel or special use trailer eligible for ad valorem taxation upon application of owner 308.885
Determination of real market value of manufactured structure without physical appraisal 308.990
Penalties
Green check means up to date. Up to date

Current through early 2026

§ 308.210’s source at oregon​.gov