Washington County, Oregon Property Taxes
- Median Washington County effective property tax rate: 0.93%, slightly lower than the national median of 1.02%. Median Washington County home value: $529,930 Median annual Washington County tax bill: $4,896, $2,496 higher than the national median property tax bill of $2,400. How are property taxes in Washington County calculated? Property taxes in Washington County are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption. Understanding your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Hillsboro or another part of Washington County, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Washington County, Oregon Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.93%
Estimate Property Tax Bill
$4,928
$4,573
Property Tax Rates Across Washington County, Oregon
Local government entities are responsible for setting property tax rates, which can differ significantly within a state due to varying budgetary needs. Each year, counties estimate the budget required to deliver essential services and divide this by the total value of all taxable properties in their area. This calculation determines the property tax rate. While this process involves votes and legal frameworks, the essence remains consistent annually.
Washington County in Oregon has a median property tax rate of 0.93%, which is slightly below the national median of 1.02%. Within the county, the city of Tigard has the highest median tax rate at 1.19%, while Timber boasts the lowest at 0.52%. These variations highlight the diverse fiscal needs and property values across different areas. Comparing these rates to other counties in Oregon or the national median provides a clearer picture of how Washington County's property tax rates align with broader trends. Understanding these differences can help property owners make informed decisions about their investments and potential tax liabilities.
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Washington County Tax Rate
0.93%
Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.
Median Effective Oregon Tax Rate
0.86%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Washington County, Oregon
City | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Banks | 0.56% | 0.68% | 0.81% | 1.00% | 1.04% |
Beaverton | 0.75% | 0.84% | 0.96% | 1.11% | 1.25% |
Buxton | 0.47% | 0.58% | 0.70% | 0.84% | 1.30% |
Cornelius | 0.63% | 0.73% | 0.80% | 0.88% | 0.94% |
Forest Grove | 0.72% | 0.87% | 0.99% | 1.09% | 1.19% |
Gales Creek | 0.49% | 0.58% | 0.68% | 0.78% | 0.93% |
Gaston | 0.46% | 0.55% | 0.66% | 0.79% | 1.04% |
Hillsboro | 0.69% | 0.77% | 0.85% | 0.91% | 0.98% |
Lake Oswego | 0.55% | 0.64% | 0.72% | 0.83% | 0.93% |
Manning | 0.48% | 0.59% | 0.68% | 0.76% | 1.04% |
Newberg | 0.49% | 0.64% | 0.71% | 0.78% | 0.86% |
North Plains | 0.61% | 0.70% | 0.77% | 0.82% | 0.86% |
Portland | 0.77% | 0.86% | 0.96% | 1.06% | 1.16% |
Scappoose | 0.33% | 0.47% | 0.59% | 0.65% | 0.74% |
Sherwood | 0.76% | 0.91% | 1.01% | 1.08% | 1.17% |
Tigard | 0.98% | 1.06% | 1.19% | 1.29% | 1.33% |
Timber | 0.35% | 0.41% | 0.52% | 0.67% | 0.80% |
Tualatin | 0.83% | 0.88% | 0.96% | 1.09% | 1.18% |
Unincorporated | 0.71% | 0.83% | 0.94% | 1.16% | 1.34% |
Aloha | N/A | N/A | N/A | N/A | N/A |
Bay City | N/A | N/A | N/A | N/A | N/A |
King City | N/A | N/A | N/A | N/A | N/A |
Vernonia | N/A | N/A | N/A | N/A | N/A |
Washington County | N/A | N/A | N/A | N/A | N/A |
Wilsonville | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Washington County, Oregon
Property Tax Assessment Values Across Washington County, Oregon
Source: Ownwell

$264,670
$594,470
$924,270
Median Washington County Market Value
$529,930
Median Oregon Market Value
$438,140
Median United States Market Value
$235,294
Property Tax Assessment Values Across Washington County, Oregon
City | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Banks | $42,190 | $370,070 | $496,270 | $642,095 | $857,000 |
Beaverton | $319,590 | $409,738 | $501,115 | $597,600 | $712,685 |
Buxton | $3,482 | $25,270 | $264,670 | $485,785 | $657,290 |
Cornelius | $88,440 | $375,000 | $430,250 | $509,300 | $613,840 |
Forest Grove | $207,408 | $363,980 | $447,250 | $549,100 | $658,408 |
Gales Creek | $38,250 | $213,630 | $379,405 | $549,702 | $689,846 |
Gaston | $70,750 | $325,500 | $454,680 | $650,890 | $832,100 |
Hillsboro | $369,420 | $433,710 | $501,455 | $591,000 | $712,115 |
Lake Oswego | $289,785 | $478,942 | $866,290 | $1,089,835 | $1,129,704 |
Manning | $6,190 | $95,908 | $419,580 | $667,832 | $792,800 |
Newberg | $319,844 | $516,805 | $770,200 | $894,570 | $1,120,314 |
North Plains | $282,540 | $392,240 | $522,510 | $608,660 | $722,000 |
Portland | $380,310 | $500,300 | $614,875 | $774,505 | $954,985 |
Scappoose | $4,335 | $44,458 | $397,335 | $556,910 | $618,540 |
Sherwood | $354,830 | $466,745 | $555,755 | $684,890 | $839,435 |
Tigard | $95,910 | $416,100 | $797,290 | $887,290 | $947,770 |
Timber | $14,573 | $205,128 | $316,880 | $438,638 | $549,432 |
Tualatin | $316,820 | $489,168 | $556,090 | $684,390 | $810,740 |
Unincorporated | $2,871 | $33,222 | $513,630 | $674,658 | $842,161 |
Aloha | N/A | N/A | N/A | N/A | N/A |
Bay City | N/A | N/A | N/A | N/A | N/A |
King City | N/A | N/A | N/A | N/A | N/A |
Vernonia | N/A | N/A | N/A | N/A | N/A |
Washington County | N/A | N/A | N/A | N/A | N/A |
Wilsonville | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Washington County, Oregon
Median Washington County Tax Bill
$4,896
Median Oregon Tax Bill
$3,628
Median United States Tax Bill
$2,400
Property Tax Bills Across Washington County, Oregon
City | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
Banks | $863 | $2,951 | $4,335 | $5,283 | $6,372 |
Beaverton | $3,009 | $3,699 | $4,690 | $6,214 | $8,124 |
Buxton | $100 | $720 | $2,170 | $3,335 | $4,509 |
Cornelius | $2,021 | $3,013 | $3,495 | $4,308 | $5,222 |
Forest Grove | $2,525 | $3,541 | $4,358 | $5,555 | $6,912 |
Gales Creek | $545 | $1,606 | $2,635 | $3,680 | $4,974 |
Gaston | $967 | $2,045 | $3,175 | $4,367 | $5,713 |
Hillsboro | $2,947 | $3,496 | $4,259 | $5,194 | $6,405 |
Lake Oswego | $2,253 | $4,181 | $7,022 | $7,023 | $8,292 |
Manning | $80 | $1,532 | $2,902 | $4,601 | $6,276 |
Newberg | $1,987 | $4,056 | $5,554 | $6,751 | $8,615 |
North Plains | $2,037 | $2,931 | $4,101 | $4,814 | $5,630 |
Portland | $3,391 | $4,428 | $5,896 | $7,839 | $9,892 |
Scappoose | $31 | $329 | $1,677 | $2,932 | $3,801 |
Sherwood | $2,997 | $4,418 | $5,589 | $7,123 | $8,948 |
Tigard | $798 | $4,341 | $9,914 | $10,331 | $11,924 |
Timber | $585 | $1,109 | $1,825 | $2,584 | $3,728 |
Tualatin | $2,777 | $4,304 | $5,312 | $7,387 | $8,828 |
Unincorporated | $257 | $857 | $4,738 | $6,701 | $8,000 |
Aloha | N/A | N/A | N/A | N/A | N/A |
Bay City | N/A | N/A | N/A | N/A | N/A |
King City | N/A | N/A | N/A | N/A | N/A |
Vernonia | N/A | N/A | N/A | N/A | N/A |
Washington County | N/A | N/A | N/A | N/A | N/A |
Wilsonville | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell