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Oregon · County guide

Clackamas County, Oregon property tax appeals

A Clackamas County property tax appeal starts with the Clackamas County Property Value Appeals Board. The Clackamas County Property Value Appeals Board opens Oct 25, 2026 and closes Dec 31, 2026.

This season

Next deadline
Dec 31, 2026
Opens soon
Clackamas County Property Value Appeals Board

Opens Oct 25, 2026Closes Dec 31, 2026

Source: ORS Chapter 311: Collection of Property Taxes (Oregon Legislature)Last checked

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Here the check uses your own figures: you enter the assessed value from your notice or tax bill and the year you bought. We compare how much it has grown with the house price index for your area and show the numbers as your figures. You decide and file yourself.

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Where to file first
Clackamas County Property Value Appeals Board
Office address
1710 Red Soils Ct, Suite 100, Oregon City OR 97045 · 503-655-8662
Our coverage
Free check available
  • Independent guide — not affiliated with Clackamas County or any government agency.
Last updated
October 1, 2026
Sources last checked
October 1, 2026
Status
Verified guide

How we verify facts

When and where do I file a Clackamas County property tax appeal?

Who hears a Clackamas County appeal?

One stage. We are not affiliated with this office.

Who hears it: Clackamas County Property Value Appeals Board

Filing: petition

Opens soon

Where is the Clackamas County office?

Clackamas County Property Value Appeals Board[8]

Address
1710 Red Soils Ct, Suite 100, Oregon City OR 97045

Property Value Appeals Board[2]

Assessor[6]

Address
150 Beavercreek Road Room #135, Oregon City, OR 97045

We are not affiliated with this office. Hours can change, so call before you visit.

Which Clackamas County filing windows are coming up?

Clackamas County filing windows
ClosesAreaWho hears itStatus
Dec 31, 2026 · opens Oct 25, 2026CountywideClackamas County Property Value Appeals Board · Official source · Last checked Sep 29, 2026Opens soon

When were past Clackamas County deadlines?

Past Clackamas County filing windows
Tax yearWindowOffice
2025Closed December 31, 2025Clackamas County Property Value Appeals Board

When is the deadline to appeal a property tax assessment in Clackamas County?

The soonest deadline we list: Clackamas County, Clackamas County Property Value Appeals Board — Opens October 25, 2026 · Closes December 31, 2026. Oregon · Property Value Appeals Board: In Oregon, a petition to the county Property Value Appeals Board can be filed from the date the tax statements are mailed through December 31 (postmarked or delivered by then; a weekend or holiday deadline moves to the next business day).

Deadline ruleOregon · Property Value Appeals Board
In Oregon, a petition to the county Property Value Appeals Board can be filed from the date the tax statements are mailed through December 31 (postmarked or delivered by then; a weekend or holiday deadline moves to the next business day).[1]
When a filing counts as on timeClackamas County Property Value Appeals Board
Clackamas County: a mailed petition must carry a U.S. Postal Service postmark no later than December 31 (a postage-meter imprint does not count); hand deliveries must arrive by 5 p.m.[2]

Who decides a property tax appeal in Clackamas County?

Clackamas County Property Value Appeals Board: A Clackamas County PVAB order can be appealed to the Magistrate Division of the Oregon Tax Court; instructions come with the board's order. Clackamas County Property Value Appeals Board: In Clackamas County you file a petition with the Property Value Appeals Board (PVAB, formerly the Board of Property Tax Appeals), an independent board of private citizens.

Appeal stepsClackamas County Property Value Appeals Board
A Clackamas County PVAB order can be appealed to the Magistrate Division of the Oregon Tax Court; instructions come with the board's order.[3]
What the appeal is calledClackamas County Property Value Appeals Board
In Clackamas County you file a petition with the Property Value Appeals Board (PVAB, formerly the Board of Property Tax Appeals), an independent board of private citizens.[2]

How do I file a property tax appeal in Clackamas County?

Clackamas County Property Value Appeals Board: Clackamas County petitions (5 copies with evidence) are mailed or hand-delivered to the Property Value Appeals Board, 1710 Red Soils Court, Suite 100, Oregon City, OR 97045. Clackamas County Property Value Appeals Board: Clackamas County asks petitioners to use the county's linked PVAB forms rather than the generic State forms, because they carry county-specific information.

How to fileClackamas County Property Value Appeals Board
Clackamas County petitions (5 copies with evidence) are mailed or hand-delivered to the Property Value Appeals Board, 1710 Red Soils Court, Suite 100, Oregon City, OR 97045.[2]
FormsClackamas County Property Value Appeals Board
Clackamas County asks petitioners to use the county's linked PVAB forms rather than the generic State forms, because they carry county-specific information.[2]
Who may fileClackamas County Property Value Appeals Board
A non-owner filing a Clackamas County petition attaches an Authorization to Represent form or a power of attorney (attorneys and corporate officers excepted).[2]
HearingsClackamas County Property Value Appeals Board
Clackamas County's PVAB is three citizen volunteers; hearings run February to April 15 (also via Zoom), and a scheduled date cannot be changed.[2]

Upcoming appeal deadlines in every county we track

What evidence counts in Clackamas County, and can the value go up?

What evidence can I use in Clackamas County?

Clackamas County Property Value Appeals Board: Clackamas County says petition evidence should reflect the property's value near January 1 of the assessment year. Clackamas County Property Value Appeals Board · Copies: Clackamas County asks for 5 copies of any evidence, no larger than 8.5 x 14 inches; evidence not submitted 10 days ahead may lead the assessor to ask for a continuance.

Evidence acceptedClackamas County Property Value Appeals Board
Clackamas County says petition evidence should reflect the property's value near January 1 of the assessment year.[2]
Evidence ruleClackamas County Property Value Appeals Board · Copies
Clackamas County asks for 5 copies of any evidence, no larger than 8.5 x 14 inches; evidence not submitted 10 days ahead may lead the assessor to ask for a continuance.[2]
Evidence not acceptedClackamas County Property Value Appeals Board · Hardship
By law the Clackamas County PVAB cannot consider hardship when it sets value.[2]

Can my assessment go up if I appeal in Clackamas County?

Clackamas County Property Value Appeals Board: Clackamas County's PVAB procedures say the board does not have the authority to increase the total assessment.

Can the value go up?Clackamas County Property Value Appeals Board
Clackamas County's PVAB procedures say the board does not have the authority to increase the total assessment.[4]

Which exemptions can lower my bill without an appeal?

For 2026, Clackamas County's disabled veteran exemption is $27,092 of assessed value ($32,512 for a service-connected disability); apply by April 1. Maximum assessed value: Clackamas County explains that Maximum Assessed Value is the greater of 103% of last year's assessed value or last year's MAV, and can rise more for changes such as remodels or additions.

Disabled veteran
For 2026, Clackamas County's disabled veteran exemption is $27,092 of assessed value ($32,512 for a service-connected disability); apply by April 1.[5]
Assessment limitsMaximum assessed value
Clackamas County explains that Maximum Assessed Value is the greater of 103% of last year's assessed value or last year's MAV, and can rise more for changes such as remodels or additions.[2]
Assessment limitsEffect of a lower real market value
If Clackamas County's PVAB lowers RMV but it stays above MAV, the assessed value, and usually the tax, does not change.[2]

Which Oregon rules apply in Clackamas County?

These rules are the same in every Oregon county. Each link opens the rule on the Oregon page.

What do Clackamas County property taxes and assessments look like?

Figures from public records and the Census, each with its source. They describe the county's homes as a group, not the value of any one home.

How much could a lower assessment save on Clackamas County property taxes?

Tax rate used: $17.87 per $1,000 of assessed value (county average, fiscal 2025-26).

How much could a lower assessment save on Clackamas County property taxes?
ExampleTax saved
$10,000 less assessed value$179 a year

These are examples: the tax rate times a lower assessed value. Exemptions, credits, caps and phase-ins can make the real change smaller. This is not a prediction for any home. Rate source: Oregon Property Tax Statistics, Fiscal Year 2025-26 (Oregon DOR 150-303-405).

What do homeowners in Clackamas County pay in property tax?

The median owner-occupied home in Clackamas County was worth $611,000, and the median property tax its owners paid was $5,171 a year, according to the Census Bureau's American Community Survey.

Median home value
$611,000
Margin of error ±$5,326.
Median property tax paid per year
$5,171
Margin of error ±$96.
Median tax as a share of median value
0.85%
A ratio of two medians, not a tax rate. Your own bill depends on your assessment and local levies.
Owner-occupied homes
115,773
Margin of error ±1,410.

These are survey estimates of what owners reported about their own homes. They are not assessed values, not tax rates, and not an opinion of what any home is worth.

They cannot tell you whether your own assessment is fair. That takes a comparison with similar homes, which we offer only in counties we have researched.

From the county's assessment and appeal records

Homes in the county's assessment records
127,250
Median assessed value
$591,413
Middle half of assessed values
$459,931 to $786,163

Source: The county's open assessment data, aggregated by us (tax year 2025 final values). Our calculation from public records; not an opinion of any home's value.

How Clackamas County home assessments are spread

Assessed values of 127,250 homes in the property classes our free check covers (RES, SFR, MFR, RUR), tax year 2025 final values. Half are between $459,931 and $786,163; the median is $591,413. The last bar holds everything above it.Source: Assessment records from the county's open data (tax year 2025 final values), retrieved Sep 27, 2026; our calculation.

Median home value: Clackamas County compared

  1. Clackamas County$611,000
  2. Typical Oregon county$388,050
  3. Typical US county$185,300

Clackamas County $611,000; Typical Oregon county $388,050; Typical US county $185,300

Census survey medians for owner-occupied homes. "Typical" is the middle county of the 36 in Oregon and of all US counties.Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25077.

Median property tax paid: Clackamas County compared

  1. Clackamas County$5,171
  2. Typical Oregon county$2,587
  3. Typical US county$1,619

Clackamas County $5,171 a year; Typical Oregon county $2,587 a year; Typical US county $1,619 a year

Census survey medians for owner-occupied homes. "Typical" is the middle county of the 36 in Oregon and of all US counties.Source: U.S. Census Bureau, American Community Survey 5-year estimates, table B25103.

Median home assessment by map book

  1. Map book 003$768,242
  2. Map book 013$763,297
  3. Map book 014$758,133
  4. Map book 002$749,600
  5. Map book 015$646,505
  6. Map book 050$616,796
  7. Map book 006$605,204
  8. Map book 016$597,614
  9. Map book 001$594,703
  10. Map book 017$569,802
  11. Map book 018$558,965
  12. Map book 008$556,170
  13. Map book 004$545,927
  14. Map book 010$529,522
  15. Map book 007$518,369
  16. Map book 005$513,523
  17. Map book 000$482,042
  18. Map book 009$477,076
  19. Map book 011$467,040

Median assessed value by map book: highest Map book 003 ($768,242), lowest Map book 011 ($467,040).

Median assessed value of homes in the property classes our free check covers (RES, SFR, MFR, RUR) for each map book with at least 50 such homes, tax year 2025 final values.Source: Assessment records from the county's open data (tax year 2025 final values), retrieved Sep 27, 2026; our calculation.

Clackamas County filing windows on a calendar

  1. Clackamas County Property Value Appeals BoardDec 31, 2026 · Opens soon

The dashed line marks today.

Clackamas County Property Value Appeals Board: Dec 31, 2026

Each bar is a filing window from its opening day to its last day. Forecasts show the expected closing range and are not official dates.Source: the official calendars and rules cited in the sources list below.

How often is property reassessed in Clackamas County?

Exceptions: In Clackamas County, maximum assessed value grows at most 3% a year, except for changes such as new construction, remodeling, new subdivisions and rezoning. Clackamas County's assessment date is January 1 before the October tax statements (January 1, 2026 for the 2026-27 tax year).

Reassessment cycleExceptions
In Clackamas County, maximum assessed value grows at most 3% a year, except for changes such as new construction, remodeling, new subdivisions and rezoning.[6]
Valuation date
Clackamas County's assessment date is January 1 before the October tax statements (January 1, 2026 for the 2026-27 tax year).[2]
Level of assessment
In Clackamas County, Real Market Value (RMV) is the Assessor's estimate of the open-market sale price on the assessment date; taxes use Assessed Value, the lesser of RMV and MAV.[2]

What do home values and property taxes look like in Clackamas County?

County average rate: In fiscal 2025-26, property taxes in Clackamas County averaged $17.87 per $1,000 of assessed value (all property, county-wide).

Property tax rateCounty average rate
In fiscal 2025-26, property taxes in Clackamas County averaged $17.87 per $1,000 of assessed value (all property, county-wide).[7]

Homes in Clackamas County

From the Census Bureau's American Community Survey: how old the homes are, what kind they are, what owners say they are worth and the property taxes they pay. These figures describe all homes together, not any one home.

Median year built
1985
All housing units, owned and rented
Single-family houses, detached or attached
72%
of 174,323 housing units
Owned homes with a mortgage or similar loan
68%
of 115,773 owner-occupied homes

Home values reported by owners

  1. Less than $50,0002%
  2. $50,000 to $99,9992%
  3. $100,000 to $199,9993%
  4. $200,000 to $299,9993%
  5. $300,000 to $399,9997%
  6. $400,000 to $499,99918%
  7. $500,000 to $749,99936%
  8. $750,000 to $999,99917%
  9. $1,000,000 to $1,999,99911%
  10. $2,000,000 or more2%

Home values reported by owners in Clackamas County: Less than $50,000 2%; $50,000 to $99,999 2%; $100,000 to $199,999 3%; $200,000 to $299,999 3%; $300,000 to $399,999 7%; $400,000 to $499,999 18%; $500,000 to $749,999 36%; $750,000 to $999,999 17%; $1,000,000 to $1,999,999 11%; $2,000,000 or more 2%.

Share of owner-occupied homes in each value range. Owners give this value in the survey; it is not the assessed value.Source: U.S. Census Bureau, American Community Survey, 2020–2024 5-year estimates, table B25075.

Property taxes owners pay a year

  1. No real estate taxes3%
  2. Less than $8003%
  3. $800 to $1,4992%
  4. $1,500 to $1,9992%
  5. $2,000 to $2,9998%
  6. $3,000 or more81%

Property taxes owners pay a year in Clackamas County: No real estate taxes 3%; Less than $800 3%; $800 to $1,499 2%; $1,500 to $1,999 2%; $2,000 to $2,999 8%; $3,000 or more 81%.

Share of owner-occupied homes by the real estate taxes paid in a year, with or without a mortgage.Source: U.S. Census Bureau, American Community Survey, 2020–2024 5-year estimates, table B25102.

Source: U.S. Census Bureau, American Community Survey (2020–2024 5-year estimates, tables B25075, B25102, B25035, B25024 and B25081), retrieved Oct 1, 2026. Survey estimates have a margin of error.

More questions about Clackamas County property tax appeals

When is the Clackamas County property tax appeal deadline?

The Clackamas County Property Value Appeals Board window opens October 25, 2026 and closes December 31, 2026. In Oregon, a petition to the county Property Value Appeals Board can be filed from the date the tax statements are mailed through December 31 (postmarked or delivered by then; a weekend or holiday deadline moves to the next business day).[1][9]

Where do I file a property tax appeal petition in Clackamas County?

Clackamas County petitions (5 copies with evidence) are mailed or hand-delivered to the Property Value Appeals Board, 1710 Red Soils Court, Suite 100, Oregon City, OR 97045.[2]

Can my assessed value go up if I appeal in Clackamas County?

Clackamas County's PVAB procedures say the board does not have the authority to increase the total assessment.[4]

Which details are not confirmed yet?

We show a fact only after a person has checked it against the official source. These are still being checked. Until then, ask the Clackamas County Property Value Appeals Board:

  • Filing fee

Property tax guides for Clackamas County homeowners

Counties next to Clackamas County

Oregon property tax appeals: all counties

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Where do these facts come from?

  1. [1]ORS Chapter 309: Property Value Appeals Boards (Oregon Legislature)Statute or regulation · last checked Sep 27, 2026
  2. [2]Property Value Appeals Board | Clackamas CountyOfficial guide or FAQ · last checked Sep 29, 2026
  3. [3]Hearing and Security Policy | Clackamas County PVABOfficial guide or FAQ · last checked Sep 29, 2026
  4. [4]Property Tax Appeal Procedures | Clackamas County PVABOfficial guide or FAQ · last checked Sep 29, 2026
  5. [5]Veteran's Tax Exemptions | Clackamas CountyOfficial guide or FAQ · last checked Sep 30, 2026
  6. [6]Measures 5 and 50 | Clackamas CountyOfficial guide or FAQ · last checked Sep 30, 2026
  7. [7]Oregon Property Tax Statistics, Fiscal Year 2025-26 (Oregon DOR 150-303-405)Official notice, form, calendar or rules · last checked Sep 27, 2026
  8. [8]Property Value Appeals Board contact information by county (Oregon Department of Revenue)Official guide or FAQ · last checked Sep 27, 2026
  9. [9]ORS Chapter 311: Collection of Property Taxes (Oregon Legislature)Statute or regulation · last checked Sep 30, 2026
  10. [10]Assessment & Taxation 2025 Press Release | Clackamas CountyOfficial guide or FAQ · last checked Oct 1, 2026
  11. 11.County open data: clackamas assessmentsRetrieved Sep 27, 2026; aggregated by us for the charts above.
  12. 12.County open data: clackamas assessmentsRetrieved Sep 27, 2026; aggregated by us for the charts above.
  13. 13.U.S. Census Bureau, ACS 2020–2024 5-year estimates, table B25077: Median value (dollars), owner-occupied housing units — Clackamas County, Oregon
  14. 14.U.S. Census Bureau, ACS 2020–2024 5-year estimates, table B25103: Median real estate taxes paid, owner-occupied housing units — Clackamas County, Oregon
  15. 15.U.S. Census Bureau, ACS 2020–2024 5-year estimates, table B25003: Tenure (owner- and renter-occupied housing units) — Clackamas County, Oregon

Data credits: Portland-area data: Metro RLIS · Census ACS (public domain) · Census county adjacency (public domain)

Not affiliated with Clackamas County or any government agency. Not legal advice. Not an appraisal.

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