Lake Oswego property tax: where it goes
A Lake Oswego house pays 1.92% of its taxable value in property tax. For a house at $501,357 of value before exemptions, that's about $9,628 a year.
Tax is levied on assessed value (AV), the lower of real market value (RMV) and maximum assessed value (MAV) under Measure 50.
Clackamas County is mailing 2026-27 statements by October 25, 2026 but had not yet posted the 2026-27 code area rate table (SAL Table 6a) when this was checked on October 22, 2026, so the 2025-26 billing rates are used. The county's 2026 press release puts the typical 2026-27 tax change for City of Lake Oswego homes in the Lake Oswego School District at 3.60% (City and School bonds up).
Who taxes this house
| Taxing agency | Rate | On $501,357 |
|---|---|---|
| City of Lake Oswego (incl. bond) | 0.4839% | $2,426 |
| Lake Oswego Urban Renewal | 0.1098% | $550 |
| Lake Grove Park district | 0.004% | $20 |
| Metro (incl. local option levy and bond) | 0.0552% | $277 |
| Clackamas County (incl. library, public safety local option, emergency radio bond, extension & 4-H, soil conservation, vector control, Port of Portland, county urban renewal) | 0.3253% | $1,631 |
| Lake Oswego School District (incl. bond and local option) (schools) | 0.8481% | $4,252 |
| Portland Community College (incl. bond) (schools) | 0.06% | $301 |
| Clackamas Education Service District (schools) | 0.034% | $171 |
| Total | 1.92% | $9,628 |
2025-26 tax year, Clackamas County code area 007-021 (City of Lake Oswego, Lake Oswego School District).
Ways to pay less
- Seniors 62+ and disabled homeowners: property tax deferral. The State of Oregon can pay your county property taxes; deferral accounts accrue 6% interest yearly. For 2026, household income during 2025 cannot exceed $70,000 and net worth is limited to $500,000. How: File the application with the county assessor by April 15, or late from April 16 to December 1 with a fee.
- Disabled veterans and surviving spouses: property tax exemption. For 2026 the basic exemption for a disabled veteran or the surviving spouse of a veteran is $27,092 of assessed value; the exemption for a service-connected disability is $32,512. Veterans must be certified 40% or more disabled; surviving spouses must not have remarried. Once qualified, you do not need to renew each year. How: File the application with the Clackamas County Assessor by April 1; call 503-655-8671 for help.
Dates
| When | What |
|---|---|
| Nov 16, 2026 (in 24 days) | Property tax payments due (the November 15 due date moves to the next business day when it falls on a weekend or legal holiday); paying in full by the due date takes 3% off |
| Feb 15 | Second one-third property tax installment due (next business day if it falls on a weekend or legal holiday) |
| Apr 1 | Disabled veteran / surviving spouse exemption applications due to the Assessor |
| Apr 15 | Senior & disabled property tax deferral applications due to the county assessor (late filing from April 16 to December 1 with a fee) |
| May 15 | Final property tax payment due (next business day if it falls on a weekend or legal holiday) |
Pay or manage it
Sources
- services2.arcgis.com/McQ0OlIABe29rJJy/ArcGIS/rest/services/Taxlots_(Pu
- clackamas.us/news/2026-10-14/assessment-taxation-2026-press-release
Checked October 22, 2026. Every number here comes from the public sources listed, matched by our checker.
Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.