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Oregon · County guide

Union County, Oregon property tax appeals

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

This season

Next deadline
Dec 31, 2026
Opens soon
Union 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
Union County Property Value Appeals Board
Office address
1001 4th St, Suite D, La Grande OR 97850 · 541-963-1006
Our coverage
Free check available
  • Independent guide — not affiliated with Union 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 Union County property tax appeal?

Who hears a Union County appeal?

One stage. We are not affiliated with this office.

Who hears it: Union County Property Value Appeals Board

Filing: petition

Opens soon

Where is the Union County office?

Property Value Appeals Board[2]

Union County Clerk (Property Value Appeals Board Clerk)

Address
1001 4th St., Ste D, La Grande, OR 97850

Union County Property Value Appeals Board[4]

Union County Clerk & Recorder

Address
1001 4th St, Suite D, La Grande OR 97850
Hours
Monday-Thursday 8:30 a.m.-5:00 p.m., Friday 9:00 a.m.-4:00 p.m., closed 12:00-1:00 p.m.

Assessor[6]

Union County Assessor / Tax Collector

Address
1001 Fourth Street, Suite A & B, La Grande, OR 97850
Hours
Monday-Thursday 8:30 AM-5:00 PM, closed 12-1

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

Which Union County filing windows are coming up?

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

When were past Union County deadlines?

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

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

The soonest deadline we list: Union County, Union 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 timeUnion County Property Value Appeals Board
Union County petitions must be filed with the Clerk of the Board or postmarked no later than December 31.[2]

Who decides a property tax appeal in Union County?

Union County Property Value Appeals Board: In Union County, a value appeal is a petition to the Union County Property Value Appeals Board on the state's Real Property Petition (Form OR-B-RPP).

What the appeal is calledUnion County Property Value Appeals Board
In Union County, a value appeal is a petition to the Union County Property Value Appeals Board on the state's Real Property Petition (Form OR-B-RPP).[3]

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

Union County Property Value Appeals Board: Union County PVAB petitions are submitted by the deadline to the county's PVAB clerk: 1001 4th St, Suite D, La Grande OR 97850, 541-963-1006. Union County Property Value Appeals Board: Union County notifies petitioners who asked to be present of their hearing date, time and place; other petitions are heard as time allows.

How to fileUnion County Property Value Appeals Board
Union County PVAB petitions are submitted by the deadline to the county's PVAB clerk: 1001 4th St, Suite D, La Grande OR 97850, 541-963-1006.[4]
HearingsUnion County Property Value Appeals Board
Union County notifies petitioners who asked to be present of their hearing date, time and place; other petitions are heard as time allows.[2]
HearingsUnion County Property Value Appeals Board · Session
The Union County Property Value Appeals Board's 2026 session was scheduled to begin February 12, 2026 at 9:00 AM in the Misener Conference Room, Daniel Chaplin Building, La Grande.[2]

Upcoming appeal deadlines in every county we track

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

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

Union County Property Value Appeals Board · Scope: The Union County Property Value Appeals Board hears petitions to reduce real market, maximum assessed, specially assessed and assessed value, corrected values, and late-filing penalty waivers.

Can the value go up?Union County Property Value Appeals Board · Scope
The Union County Property Value Appeals Board hears petitions to reduce real market, maximum assessed, specially assessed and assessed value, corrected values, and late-filing penalty waivers.[2]

Which Oregon rules apply in Union County?

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

What do Union 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 Union County property taxes?

Tax rate used: $14.01 per $1,000 of assessed value (county average, fiscal 2025-26).

How much could a lower assessment save on Union County property taxes?
ExampleTax saved
$10,000 less assessed value$140 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 Union County pay in property tax?

The median owner-occupied home in Union County was worth $294,600, and the median property tax its owners paid was $2,446 a year, according to the Census Bureau's American Community Survey.

Median home value
$294,600
Margin of error ±$14,624.
Median property tax paid per year
$2,446
Margin of error ±$111.
Median tax as a share of median value
0.83%
A ratio of two medians, not a tax rate. Your own bill depends on your assessment and local levies.
Owner-occupied homes
7,141
Margin of error ±277.

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: Union County compared

  1. Union County$294,600
  2. Typical Oregon county$388,050
  3. Typical US county$185,300

Typical Oregon county $388,050; Union County $294,600; 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: Union County compared

  1. Union County$2,446
  2. Typical Oregon county$2,587
  3. Typical US county$1,619

Typical Oregon county $2,587 a year; Union County $2,446 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.

Union County filing windows on a calendar

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

The dashed line marks today.

Union 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.

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

County average rate: In fiscal 2025-26, property taxes in Union County averaged $14.01 per $1,000 of assessed value (all property, county-wide).

Property tax rateCounty average rate
In fiscal 2025-26, property taxes in Union County averaged $14.01 per $1,000 of assessed value (all property, county-wide).[5]

Homes in Union 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
1973
All housing units, owned and rented
Single-family houses, detached or attached
72%
of 11,829 housing units
Owned homes with a mortgage or similar loan
53%
of 7,141 owner-occupied homes

Home values reported by owners

  1. Less than $50,0006%
  2. $50,000 to $99,9994%
  3. $100,000 to $199,99914%
  4. $200,000 to $299,99927%
  5. $300,000 to $399,99916%
  6. $400,000 to $499,99913%
  7. $500,000 to $749,99913%
  8. $750,000 to $999,9994%
  9. $1,000,000 to $1,999,9992%
  10. $2,000,000 or more1%

Home values reported by owners in Union County: Less than $50,000 6%; $50,000 to $99,999 4%; $100,000 to $199,999 14%; $200,000 to $299,999 27%; $300,000 to $399,999 16%; $400,000 to $499,999 13%; $500,000 to $749,999 13%; $750,000 to $999,999 4%; $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 taxes4%
  2. Less than $8007%
  3. $800 to $1,49919%
  4. $1,500 to $1,99911%
  5. $2,000 to $2,99925%
  6. $3,000 or more34%

Property taxes owners pay a year in Union County: No real estate taxes 4%; Less than $800 7%; $800 to $1,499 19%; $1,500 to $1,999 11%; $2,000 to $2,999 25%; $3,000 or more 34%.

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 Union County property tax appeals

When is the Union County property tax appeal deadline?

The Union 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][8]

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

Union County PVAB petitions are submitted by the deadline to the county's PVAB clerk: 1001 4th St, Suite D, La Grande OR 97850, 541-963-1006.[4]

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

The Union County Property Value Appeals Board hears petitions to reduce real market, maximum assessed, specially assessed and assessed value, corrected values, and late-filing penalty waivers.[2]

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 Union County Property Value Appeals Board:

  • How often homes are reassessed
  • Filing fee

Property tax guides for Union County homeowners

Counties next to Union 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]Notice of Session – Union County Property Value Appeals Board - Union CountyOfficial guide or FAQ · last checked Oct 1, 2026
  3. [3]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
  4. [4]Property Value Appeals Board contact information by county (Oregon Department of Revenue)Official guide or FAQ · last checked Sep 29, 2026
  5. [5]Oregon Property Tax Statistics, Fiscal Year 2025-26 (Oregon DOR 150-303-405)Official notice, form, calendar or rules · last checked Sep 27, 2026
  6. [6]Assessor / Tax Collector - Union CountyOfficial guide or FAQ · last checked Oct 1, 2026
  7. [7]County Clerk and Recorder's Office - Union CountyOfficial guide or FAQ · last checked Sep 30, 2026
  8. [8]ORS Chapter 311: Collection of Property Taxes (Oregon Legislature)Statute or regulation · last checked Sep 30, 2026
  9. [9]How to Appeal Your Property Value, 150-303-668 (Oregon Department of Revenue, Rev. 07-15-24)Official notice, form, calendar or rules · last checked Sep 30, 2026
  10. [10]ORS Chapter 308: Assessment of Property for Taxation (Oregon Legislature)Statute or regulation · last checked Sep 27, 2026
  11. [11]Form OR-B-RPP Instructions, Oregon Property Value Appeals Board Real Property Petition (Oregon DOR 150-310-063-1, Rev. 07-22-26)Official notice, form, calendar or rules · last checked Sep 27, 2026
  12. [12]ORS Chapter 307: Property Subject to Taxation; Exemptions (Oregon Legislature)Statute or regulation · last checked Sep 30, 2026
  13. 13.U.S. Census Bureau, ACS 2020–2024 5-year estimates, table B25077: Median value (dollars), owner-occupied housing units — Union 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 — Union County, Oregon
  15. 15.U.S. Census Bureau, ACS 2020–2024 5-year estimates, table B25003: Tenure (owner- and renter-occupied housing units) — Union County, Oregon

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

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

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