Columbia County, OR Property Taxes (2026)

Columbia County owners pay a median of $2,948 a year on a median home value of $390,600, an effective rate of 0.75%. That's the 20th-highest rate of 36 Oregon counties with Census data, below the Oregon county median of 0.76%.

Updated October 2026 · Data: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023)

Is your Columbia appraisal too high?

We compare your value to recent Columbia County sales and show you in about a minute whether a appeal is worth it.

  • Free check
  • No credit card

Effective tax rate

0.75%

20th highest of 36 in OR

Median annual bill

$2,948

~$246/month

Median home value

$390,600

Oregon county median

0.76%

Effective rate

What a protest could save you in Columbia County

Enter the market value from your appraisal notice. We apply Columbia County's 0.75% effective rate and a 10–15% reduction, the typical range for successful protests.

$
Est. annual tax
$2,930
Savings at 10–15% off
$293–$439
Check my actual assessment →

Columbia County vs. Oregon vs. U.S. property tax rates

Columbia County0.75%
Oregon county median0.76%
U.S. county median0.84%

Key stat: Columbia County's effective property tax rate is 0.75%, vs. 0.76% for the median Oregon county and 0.84% for the median U.S. county. It ranks 20th of 36 in Oregon. Effective rate = median tax bill ÷ median home value, so it already reflects typical exemptions. (Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023))

How to appeal your property taxes in Columbia County

  1. 1

    Review your assessment notice

    Check the assessed value from the Columbia County Assessor. Compare it to recent sales of similar homes nearby.

  2. 2

    File your appeal before the deadline

    The Columbia County deadline is December 31. Missing it means waiting until the next assessment year.

  3. 3

    Gather evidence

    Recent comparable sales, photos of condition issues, repair estimates or an independent appraisal.

  4. 4

    Present your case

    Submit evidence or attend a hearing with the County Assessor.

  5. 5

    Get your decision

    If you win, your assessed value and bill go down. On a $2,948 bill, 10–15% off is $295–$442 a year.

Want help with it?

TaxDrop builds your case from comparable sales data.

Check my assessment

Property tax exemptions in Oregon

Oregon homeowners may qualify for exemptions that reduce taxable value. Check with the Columbia County Assessor for amounts.

Homestead exemption

For your primary residence. Reduces the value used to calculate your bill.

Senior / over-65

Many states add an exemption or freeze for owners 65 and older.

Disability

For homeowners with qualifying disabilities, often similar to the over-65 benefit.

Veterans

Disabled veterans may get partial or full exemptions depending on rating.

Frequently Asked Questions

What is the property tax rate in Columbia County, Oregon?
The median effective property tax rate in Columbia County is 0.75%: a median annual bill of $2,948 on a median home value of $390,600. That's the 20th-highest rate of 36 Oregon counties with Census data. Your own rate depends on which city, school district and special districts you're in. Source: U.S. Census Bureau, American Community Survey 5-Year Estimates (2019–2023).
How much are property taxes in Columbia County?
The median Columbia County property tax bill is $2,948 a year, about $246 a month, compared with a Oregon county median of $2,520.
What is the deadline to appeal property taxes in Columbia County?
The deadline to appeal in Columbia County is December 31. Missing it means waiting until the next assessment cycle.
Is Columbia County a high property tax area?
Columbia County's 0.75% effective rate is below the Oregon county median of 0.76% and below the U.S. county median of 0.84%. That's the 20th-highest rate of 36 Oregon counties with Census data.
Can TaxDrop help lower my Columbia County property taxes?
TaxDrop analyzes your property against local comparable sales and helps you appeal your assessment.

Property taxes in nearby counties

Washington County

Rate: 0.87%

Median bill: $4,852

Clatsop County

Rate: 0.70%

Median bill: $3,084

Multnomah County

Rate: 0.96%

Median bill: $5,061

Tillamook County

Rate: 0.60%

Median bill: $2,449

Yamhill County

Rate: 0.75%

Median bill: $3,318

Clackamas County

Rate: 0.87%

Median bill: $5,051

Polk County

Rate: 0.84%

Median bill: $3,534

Hood River County

Rate: 0.59%

Median bill: $3,359

← All 36 Oregon counties

Stop overpaying on property taxes

See in about a minute whether your Columbia value looks too high.

Check my assessment — free