Skip to content
Free check
Free check

Independent. Not affiliated with any government agency.

Oregon · County guide

Columbia County, Oregon property tax appeals

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

This season

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

Opens Oct 25, 2026Closes Dec 31, 2026

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

Check a Columbia County home for free

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.

Excellent5.0 out of 5 · Based on reviewsRead reviews →

Reduced my assessment by $112,000!

I couldn’t believe the difference. My property assessment was reduced by $112,000. I’m extremely happy with the outcome!

Spencer CaldwellHomeowner

A $106,300 reduction

We had no idea there was this much room between our original assessment and the final number. Very happy with the outcome.

Megan HollisHomeowner
Where to file first
Columbia County Property Value Appeals Board
Office address
230 Strand St, St Helens OR 97051 · 503-397-3796
Our coverage
Free check available
  • Independent guide — not affiliated with Columbia 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 Columbia County property tax appeal?

Who hears a Columbia County appeal?

One stage. We are not affiliated with this office.

Who hears it: Columbia County Property Value Appeals Board

Filing: petition

Opens soon

Where is the Columbia County office?

Columbia County Property Value Appeals Board[5]

Columbia County Clerk's office (PVAB filings)

Address
230 Strand St, St Helens OR 97051
Hours
Monday-Friday 8:30 a.m.-5:00 p.m.

Assessor[11]

Columbia County Assessor's Office

Address
Columbia County Courthouse Annex, 230 Strand St., St. Helens, OR 97051
Fax
503-397-5153
Hours
Monday-Friday 8:30 a.m.-5:00 p.m.

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

Which Columbia County filing windows are coming up?

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

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

The soonest deadline we list: Columbia County, Columbia 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 timeColumbia County Property Value Appeals Board
Columbia County value appeals are filed with the County Clerk's office by December 31, or the next business day if that is a weekend or holiday.[2]

Who decides a property tax appeal in Columbia County?

Columbia County Property Value Appeals Board: For Columbia County property, appealing to the county Property Value Appeals Board is generally the first step in the appeal process. Columbia County Property Value Appeals Board: In Columbia County, a value appeal is a petition to the Columbia County Property Value Appeals Board on the state's Real Property Petition (Form OR-B-RPP).

Appeal stepsColumbia County Property Value Appeals Board
For Columbia County property, appealing to the county Property Value Appeals Board is generally the first step in the appeal process.[3]
What the appeal is calledColumbia County Property Value Appeals Board
In Columbia County, a value appeal is a petition to the Columbia County Property Value Appeals Board on the state's Real Property Petition (Form OR-B-RPP).[4]

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

Columbia County Property Value Appeals Board: Columbia County PVAB petitions are submitted by the deadline to the county's PVAB clerk: 230 Strand St, St Helens OR 97051, 503-397-3796. Columbia County Property Value Appeals Board: Columbia County posts the Real Property Petition and instructions, the Personal Property Petition, a Late Filing Waiver form and an Authorization to Represent.

How to fileColumbia County Property Value Appeals Board
Columbia County PVAB petitions are submitted by the deadline to the county's PVAB clerk: 230 Strand St, St Helens OR 97051, 503-397-3796.[5]
FormsColumbia County Property Value Appeals Board
Columbia County posts the Real Property Petition and instructions, the Personal Property Petition, a Late Filing Waiver form and an Authorization to Represent.[2]
Who may fileColumbia County Property Value Appeals Board
The petition instructions posted by the Columbia County Clerk say only certain people (relatives, brokers, appraisers, accountants, attorneys and some others) may sign the petition and represent the owner.[6]
Informal reviewColumbia County Property Value Appeals Board
Columbia County owners can ask the Assessor for a formal review by the first Friday in December, and may also file a PVAB appeal to keep their appeal rights.[2]
Informal reviewColumbia County Property Value Appeals Board · Formal review
Columbia County owners can request a formal review from the Assessor by December 5 and receive a decision by December 15.[7]
HearingsColumbia County Property Value Appeals Board
Columbia County's PVAB is three volunteer citizens (not government officials), appointed by the Board of Commissioners; hearings run from the first Monday of February to April 15.[2]

Upcoming appeal deadlines in every county we track

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

What evidence can I use in Columbia County?

Columbia County Property Value Appeals Board: The appeal guide posted by the Columbia County Clerk says evidence might include an independent appraisal or sales of similar properties close to January 1. Columbia County Property Value Appeals Board · Returned: Evidence filed with a Columbia County PVAB petition, including pictures and appraisals, is kept and not returned.

Evidence acceptedColumbia County Property Value Appeals Board
The appeal guide posted by the Columbia County Clerk says evidence might include an independent appraisal or sales of similar properties close to January 1.[3]
Evidence ruleColumbia County Property Value Appeals Board · Returned
Evidence filed with a Columbia County PVAB petition, including pictures and appraisals, is kept and not returned.[6]

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

Columbia County Property Value Appeals Board · Limits: Per the petition instructions posted by Columbia County, the board cannot undo the normal 3% increase in assessed value, though it may reduce an exception (e.g. new construction) value.

Can the value go up?Columbia County Property Value Appeals Board · Limits
Per the petition instructions posted by Columbia County, the board cannot undo the normal 3% increase in assessed value, though it may reduce an exception (e.g. new construction) value.[6]

Which exemptions can lower my bill without an appeal?

Columbia County disabled veterans (40% disability) or unremarried surviving spouses who own and live on the property can apply to the Assessor between January 1 and April 1.

Disabled veteran
Columbia County disabled veterans (40% disability) or unremarried surviving spouses who own and live on the property can apply to the Assessor between January 1 and April 1.[8]

Which Oregon rules apply in Columbia County?

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

What do Columbia 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 Columbia County property taxes?

Tax rate used: $14.23 per $1,000 of assessed value (county average, fiscal 2025-26).

How much could a lower assessment save on Columbia County property taxes?
ExampleTax saved
$10,000 less assessed value$142 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 Columbia County pay in property tax?

The median owner-occupied home in Columbia County was worth $421,600, and the median property tax its owners paid was $3,137 a year, according to the Census Bureau's American Community Survey.

Median home value
$421,600
Margin of error ±$12,804.
Median property tax paid per year
$3,137
Margin of error ±$104.
Median tax as a share of median value
0.74%
A ratio of two medians, not a tax rate. Your own bill depends on your assessment and local levies.
Owner-occupied homes
15,936
Margin of error ±498.

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.

Median home value: Columbia County compared

  1. Columbia County$421,600
  2. Typical Oregon county$388,050
  3. Typical US county$185,300

Columbia County $421,600; 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: Columbia County compared

  1. Columbia County$3,137
  2. Typical Oregon county$2,587
  3. Typical US county$1,619

Columbia County $3,137 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.

Columbia County filing windows on a calendar

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

The dashed line marks today.

Columbia 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 Columbia County?

Columbia County recalculates all residential property values every year using mass appraisal and a market trend study. Columbia County's tax bill values reflect January 1 of the current year, about 10 months before the October bill.

Reassessment cycle
Columbia County recalculates all residential property values every year using mass appraisal and a market trend study.[9]
Valuation date
Columbia County's tax bill values reflect January 1 of the current year, about 10 months before the October bill.[2]
Valuation dateMarket trends
Columbia County's tax-statement value is as of January 1, almost 10 months before the statement arrives, and does not reflect later market trends.[7]
Level of assessment
In Columbia County, assessed value equals the lower of real market value and maximum assessed value.[6]

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

County average rate: In fiscal 2025-26, property taxes in Columbia County averaged $14.23 per $1,000 of assessed value (all property, county-wide).

Property tax rateCounty average rate
In fiscal 2025-26, property taxes in Columbia County averaged $14.23 per $1,000 of assessed value (all property, county-wide).[10]

Homes in Columbia 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
1981
All housing units, owned and rented
Single-family houses, detached or attached
77%
of 22,167 housing units
Owned homes with a mortgage or similar loan
67%
of 15,936 owner-occupied homes

Home values reported by owners

  1. Less than $50,0006%
  2. $50,000 to $99,9992%
  3. $100,000 to $199,9994%
  4. $200,000 to $299,99912%
  5. $300,000 to $399,99921%
  6. $400,000 to $499,99924%
  7. $500,000 to $749,99922%
  8. $750,000 to $999,9997%
  9. $1,000,000 to $1,999,9992%
  10. $2,000,000 or more<1%

Home values reported by owners in Columbia County: Less than $50,000 6%; $50,000 to $99,999 2%; $100,000 to $199,999 4%; $200,000 to $299,999 12%; $300,000 to $399,999 21%; $400,000 to $499,999 24%; $500,000 to $749,999 22%; $750,000 to $999,999 7%; $1,000,000 to $1,999,999 2%; $2,000,000 or more <1%.

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 $8006%
  3. $800 to $1,4997%
  4. $1,500 to $1,9998%
  5. $2,000 to $2,99924%
  6. $3,000 or more52%

Property taxes owners pay a year in Columbia County: No real estate taxes 3%; Less than $800 6%; $800 to $1,499 7%; $1,500 to $1,999 8%; $2,000 to $2,999 24%; $3,000 or more 52%.

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 Columbia County property tax appeals

When is the Columbia County property tax appeal deadline?

The Columbia 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][13]

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

Columbia County PVAB petitions are submitted by the deadline to the county's PVAB clerk: 230 Strand St, St Helens OR 97051, 503-397-3796.[5]

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

Per the petition instructions posted by Columbia County, the board cannot undo the normal 3% increase in assessed value, though it may reduce an exception (e.g. new construction) value.[6]

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 Columbia County Property Value Appeals Board:

  • Filing fee

Property tax guides for Columbia County homeowners

Counties next to Columbia County

Oregon property tax appeals: all counties

Check a Columbia County home free

Check my property

You decide and file yourself.

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 | Columbia County Clerk (Wayback capture)Official guide or FAQ · last checked Sep 29, 2026
  3. [3]How to Appeal Your Property Value (Oregon DOR 150-303-668, Rev. 07-15-24; copy hosted by the Columbia County Clerk, PDF)Official notice, form, calendar or rules · last checked Sep 30, 2026
  4. [4]Form OR-B-RPP, Oregon Property Value Appeals Board Real Property Petition (Oregon Department of Revenue, 150-310-063, Rev. 07-22-26, PDF)Official notice, form, calendar or rules · last checked Sep 29, 2026
  5. [5]Property Value Appeals Board contact information by county (Oregon Department of Revenue)Official guide or FAQ · last checked Sep 29, 2026
  6. [6]Form OR-B-RPP Instructions, Oregon Property Value Appeals Board Real Property Petition (Oregon DOR 150-310-063-1, Rev. 07-18-24; copy hosted by the Columbia County Clerk, PDF)Official notice, form, calendar or rules · last checked Sep 30, 2026
  7. [7]Columbia County, Oregon Official Website - Property Tax Appeals and CorrectionsOfficial guide or FAQ · last checked Sep 30, 2026
  8. [8]Columbia County, Oregon Official Website - Property Tax Deferrals and ExemptionsOfficial guide or FAQ · last checked Sep 30, 2026
  9. [9]Columbia County, Oregon Official Website - General Tax Assessment InformationOfficial guide or FAQ · last checked Sep 30, 2026
  10. [10]Oregon Property Tax Statistics, Fiscal Year 2025-26 (Oregon DOR 150-303-405)Official notice, form, calendar or rules · last checked Sep 27, 2026
  11. [11]Columbia County, Oregon Official Website - Assessor's OfficeOfficial guide or FAQ · last checked Oct 1, 2026
  12. [12]Columbia County, Oregon Official Website - Property Value Appeal BoardOfficial guide or FAQ · last checked Oct 1, 2026
  13. [13]ORS Chapter 311: Collection of Property Taxes (Oregon Legislature)Statute or regulation · last checked Sep 30, 2026
  14. 14.U.S. Census Bureau, ACS 2020–2024 5-year estimates, table B25077: Median value (dollars), owner-occupied housing units — Columbia County, Oregon
  15. 15.U.S. Census Bureau, ACS 2020–2024 5-year estimates, table B25103: Median real estate taxes paid, owner-occupied housing units — Columbia County, Oregon
  16. 16.U.S. Census Bureau, ACS 2020–2024 5-year estimates, table B25003: Tenure (owner- and renter-occupied housing units) — Columbia County, Oregon

Data credits: Census ACS (public domain) · Census county adjacency (public domain)

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

Check my home free