Lake Oswego, OR Property Tax Rates
Compare property tax rates across 2 ZIP codes in Lake Oswego, Oregon.
Avg Tax Rate
0.91%
Avg Annual Tax
$8,128
Avg Home Value
$893,400
ZIP Codes
2
Property Tax Overview: Lake Oswego, OR
Lake Oswego has 2 ZIP codes with property tax data. The average effective tax rate across these ZIPs is 0.91%, which is 23% above the Oregon average of 0.74%. Annual property taxes range from $7,032 (ZIP 97035) to $9,223 (ZIP 97034).
For a home at Lake Oswego's median value of $893,400, property taxes add approximately $676/month to housing costs. Lake Oswego home values are above the Oregon median of $406,520, meaning the monthly tax impact is correspondingly higher.
Property tax rates within Lake Oswego vary by 0.04 percentage points across its ZIP codes. This variation typically reflects different school district boundaries, special assessment zones, and municipal service areas within the city.
Lake Oswego vs Oregon Average
Effective Tax Rate
23% above state average
Annual Property Tax
Median Home Value
Frequently Asked Questions
What is the average property tax rate in Lake Oswego, OR?
The average effective property tax rate in Lake Oswego, Oregon is 0.91%, based on 2 ZIP codes.
How much is property tax in Lake Oswego, OR?
The average median annual property tax in Lake Oswego is $8,128 per year, with a median home value of $893,400.
Which ZIP code in Lake Oswego has the lowest property tax rate?
ZIP code 97035 has the lowest effective tax rate in Lake Oswego at 0.89%, with a median annual tax of $7,032.
How many ZIP codes are in Lake Oswego, OR?
Lake Oswego, Oregon has 2 ZIP codes with property tax data available.
Which ZIP code in Lake Oswego has the highest property tax rate?
ZIP code 97034 has the highest effective tax rate in Lake Oswego at 0.93%, with a median annual tax of $9,223.
How do Lake Oswego property taxes compare to the Oregon average?
Lake Oswego's average effective rate of 0.91% is 23% above the Oregon state average of 0.74%.
What factors affect property tax rates between ZIP codes in Lake Oswego?
Property tax rate differences within Lake Oswego are typically driven by school district boundaries (which can account for 40–60% of a tax bill), special assessment zones for fire, water, or transit services, and whether a ZIP falls within city limits or an unincorporated area. Each taxing jurisdiction sets its own rate, which is why adjacent ZIP codes can have noticeably different effective rates.
Tips for Lake Oswego Homeowners
- •Appeal your assessment: If your home is assessed higher than its market value, you can file a property tax appeal. Studies suggest 30–60% of properties are over-assessed. Most counties offer a free informal review process.
- •Check your exemptions: Homestead exemptions can reduce your taxable value and are available to primary residents in most states. Senior, veteran, and disability exemptions may also apply. Exemptions must typically be applied for — they are not automatic.
- •Know your assessment cycle: Oregon reassesses properties periodically. After buying a home, your next tax bill may reflect a new assessment based on your purchase price. Budget accordingly, especially if you bought above prior assessed values.
- •Compare ZIP codes before buying: Even within Lake Oswego, effective tax rates can vary significantly across ZIP codes due to different school district overlays. Use PropertyTaxByZip to compare specific ZIPs before choosing a neighborhood.
Other Cities in Oregon
Looking for county-level property tax data? View Clackamas County on TaxByCounty.com
Data from U.S. Census Bureau, American Community Survey 2019-2023 5-Year Estimates (ZCTA level). ZIP Code Tabulation Areas (ZCTAs) are Census approximations of USPS ZIP codes.
Estimates are informational only and should not be used as financial or legal advice.