Lake Oswego, Clackamas County, Oregon Property Taxes

Name: Property Tax Bills Across Lake Oswego, Clackamas County, Oregon
Creator: Ownwell
License: https://creativecommons.org/licenses/by-nc/4.0/

Median Lake Oswego, OR effective property tax rate: 0.96%, slightly lower than the national median of 1.02%, but higher than the Oregon state median of 0.86%.
Median Lake Oswego, OR home value: $877,380
Median annual Lake Oswego, OR tax bill: $8,134, $5,734 higher than the national median property tax bill of $2,400.

How are property taxes in Clackamas calculated?

Property taxes in Lake Oswego, OR 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 Lake Oswego’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Lake Oswego, knowing local tax details benefits homeowners and investors.

Last Updated March 1, 2025

Lake Oswego, Clackamas County, Oregon Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

0.96%

Estimate Property Tax Bill

$8,423

$7,816

Ownwell’s Lake Oswego Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Lake Oswego with just two data points.

By entering your property's estimated assessed value, our calculator applies Lake Oswego’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a precise calculation for your property tax obligations.

This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Clackamas County.

For those interested in more localized information, please scroll down to explore city-level trends!

Property Tax Rates Across Lake Oswego, Clackamas County, Oregon

Local government entities in Oregon, like those in other states, set property tax rates, which can vary significantly. Each year, Clackamas County, which includes Lake Oswego, estimates its budget to provide essential services and divides this by the total assessed value of all taxable property within its boundaries. This calculation determines the property tax rate for the year. While setting tax rates and budgets involves votes and laws, this process is the core of how property taxes are determined annually. In Lake Oswego, the effective property tax rate is 0.96%, which is slightly below the national median of 1.02%. This rate is consistent across the city’s zip codes, making it one of the more stable areas in terms of property tax rates. Compared to other cities in Oregon, Lake Oswego's rate aligns with the state’s median, providing residents with a predictable tax environment. Understanding these rates can help property owners make informed decisions about their investments and manage their financial planning effectively.

Property Tax Rates Across Lake Oswego, Clackamas County, Oregon

Source: Ownwell

0.46%

0.86%

1.27%

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 Lake Oswego Tax Rate

0.96%

Median Effective Clackamas County Tax Rate

0.92%

Median Effective Oregon Tax Rate

0.86%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Lake Oswego, Clackamas County, Oregon

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
97034	0.77%	0.87%	0.96%	1.07%	1.18%
97035	0.74%	0.83%	0.96%	1.02%	1.08%

Source: Ownwell

Property Tax Assessment Values Across Lake Oswego, Clackamas County, Oregon

When examining property taxes in Lake Oswego, OR, understanding the distinction between "market value" and "assessed value" is crucial. The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Clackamas County appraisal district estimates the market value for tax purposes. The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.

In Clackamas County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of April. Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Lake Oswego. For example, the median home price in Lake Oswego is $877,380, with tax bills ranging significantly across the county. Zip code 97034 has the highest median home price at $1,020,820.

Property Tax Assessment Values Across Lake Oswego, Clackamas County, Oregon

Source: Ownwell

$333,702

$711,480

$1,089,258

Median Lake Oswego Market Value

$877,380

Median Clackamas County Market Value

$564,773

Median Oregon Market Value

$438,140

Median United States Market Value

$235,294

Property Tax Assessment Values Across Lake Oswego, Clackamas County, Oregon

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
97034	$551,087	$765,113	$1,020,820	$1,541,406	$2,192,232
97035	$424,549	$592,046	$766,936	$1,025,053	$1,349,552

Source: Ownwell

Property Tax Bills Across Lake Oswego, Clackamas County, Oregon

In Lake Oswego, property tax bills are calculated based on the assessed value of a home, which is determined by the Clackamas County Assessor. This value is influenced by factors such as the property's market value, location, and any improvements made. Homeowners in Lake Oswego can expect a median tax bill significantly higher than the national median of $2,400, with bills ranging from $5,701 at the 25th percentile to $18,504 at the 90th percentile. The highest median tax bill in the area is $9,584 in the 97034 zip code, while the lowest is $6,990 in the 97035 zip code. Such substantial tax bills can place a financial burden on homeowners. This is where Ownwell comes in. By providing expert property tax appeal and exemption services, Ownwell helps homeowners potentially reduce their tax liabilities. Our team analyzes your property's assessed value and market conditions to identify opportunities for savings, ensuring you pay only your fair share.

Property Tax Bills Across Lake Oswego, Clackamas County, Oregon

Source: Ownwell

$1,842

$6,949

$12,055

Median Lake Oswego Tax Bill

$8,134

Median Clackamas County Tax Bill

$5,006

Median Oregon Tax Bill

$3,628

Median United States Tax Bill

$2,400

Property Tax Bills Across Lake Oswego, Clackamas County, Oregon

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
97034	$5,007	$6,769	$9,584	$15,748	$22,215
97035	$3,638	$4,960	$6,990	$10,033	$13,167

Source: Ownwell