Taxes in Lake Oswego, Oregon
Complete tax guide for Lake Oswego, OR. State income tax up to 9.9%, 0.99% property tax, 0.4% sales tax. Calculate your total tax burden.
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Taxes in Lake Oswego, OR: income, FICA, property, and sales tax
For wage-income planning, this page estimates federal income tax, Oregon state income tax, Lake Oswego local income tax, and FICA. It also shows property-tax and sales-tax estimates because local household tax burden depends on address-level property assessments, sales-tax districts, exemptions, and item categories.
State Income Tax
9.9%
Oregon
Property Tax
0.99%
Effective rate
Sales Tax
0.4%
Combined rate
Tax Burden
High
Lake Oswego, OR Tax Overview
Population
40,018
Median Income
$64,700
Cost of Living
107 (100 = avg)
State Income Tax
9.9%
Local Income Tax
1.44%
Median Home Price
$468,000
Lake Oswego Tax Calculator
Pre-filled with Lake Oswego median: $64,700
Total Tax Burden in Lake Oswego
$17,871
Take-Home: $46,829 · Effective Rate: 27.62%
Federal Tax
$5,584
8.63% eff.
OR State + Local
$7,337
11.34% eff.
FICA
$4,950
7.65% eff.
Take-Home
$46,829
72.38% kept
Tax Breakdown
| Item | Annual | Monthly |
|---|---|---|
| Gross Income | $64,700.00 | $5,391.67 |
| Federal Income Tax | -$5,584.00 | -$465.33 |
| Oregon State Tax | -$6,405.30 | -$533.78 |
| Lake Oswego Local Tax (1.44%) | -$931.68 | -$77.64 |
| Social Security (6.2%) | -$4,011.40 | -$334.28 |
| Medicare (1.45%) | -$938.15 | -$78.18 |
| Take-Home Pay | $46,829.47 | $3,902.46 |
Property Tax in Lake Oswego
Median Home
$468,000
Annual Tax
$4,633
Monthly Tax
$386
Effective Rate
0.99%
Sales Tax in Lake Oswego
Combined Rate
0.4%
State Portion
~0.0%
Local Portion
~0.4%
The combined sales tax rate in Lake Oswego is 0.4%, which is below the national average of 7.12%. On a $100 purchase, you would pay $0.40 in sales tax.
Sales and use tax can vary by exact address, district, item category, exemptions, and effective date. Treat this city rate as a planning estimate and verify large purchases with the official state sales-tax lookup or local tax authority.
Tax Burden Comparison
| Tax Type | Lake Oswego | Oregon Avg | National Avg |
|---|---|---|---|
| Income Tax | 9.9% + 1.44% | 9.9% | 4.6% |
| Property Tax | 0.99% | ~0.99% | 1.1% |
| Sales Tax | 0.4% | ~0.4% | 7.12% |
| Overall Burden | High | — | Moderate |
About Taxes in Lake Oswego
Lake Oswego has a population of approximately 40,018 residents with a median household income of $64,700. The cost of living index is 107 (7.0% higher than the national average of 100).
Tax burden classification: High. Effective combined tax rate of 33.6% includes federal, state, FICA, property, and sales taxes for a typical Lake Oswego household.
Official Tax Resources for Oregon
For authoritative Oregon tax forms, filing deadlines, and the latest legislative updates, consult these official government resources:
- Oregon Department of Revenue — official state revenue agency
- Oregon Individual Income Tax Forms — current tax year forms and instructions
- IRS Federal Tax Forms and Instructions — federal income tax filing
Tax Saving Tips for Lake Oswego Residents
- Oregon's income tax rate of 9.9% is above average. Maximize pre-tax retirement contributions (401k up to $24,500, IRA up to $7,500) to reduce both federal and state taxable income.
- Lake Oswego has a local income tax of 1.44%. If you work remotely, verify whether you owe city tax based on where you work or where you live. Some cities only tax people who work within city limits.
- Property tax in Lake Oswego (0.99%) is below the national average of 1.1%. This makes homeownership more affordable here relative to property tax burden.
- Use a Health Savings Account (HSA) if eligible. Contributions are tax-deductible ($4,400 individual, $8,750 family), growth is tax-free, and withdrawals for medical expenses are tax-free.
Find Your Local Tax Authority in Lake Oswego
The 0.99% property tax rate shown above is a city-profile effective estimate. Your actual Lake Oswego property tax bill is set by your county assessor and may include additional levies from your school district, municipal utility district (MUD), or special assessment district. Use these official lookup tools to confirm exact rates for your specific address:
Look up the county your Lake Oswego address belongs to and find your assessor's office:
- • NACo County Explorer — search by address
- • USA.gov — Oregon local govt directory
School districts add their own millage rate to property tax:
- • NCES District Locator — federal database
- • NCES School Locator (EDGE)
Municipal Utility Districts and special assessment districts are common in fast-growing Oregon suburbs:
- • Census — Census of Governments
- • Check your tax bill for line items beyond county + school district
Disagree with your assessment? You can appeal:
- • Property Tax Appeal Guide
- • Most counties allow 30-60 days post-assessment to file appeal
Why this matters: Two homes valued the same in Lake Oswego can pay different property tax depending on which school district + MUD they fall within. Always verify with your specific address — the address-level rate may be 10-30% higher than the city average shown here.
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HighSources & Methodology
Tax rate data on this page is compiled from official government sources and updated for the 2026 tax year. Calculations follow the IRS-published 2026 federal tax brackets, FICA rates (6.2% Social Security up to $184,500 wage base, 1.45% Medicare), and Oregon state tax provisions. Property tax estimates use Lake Oswego's median home value of $468,000and the local effective property tax rate of 0.99%.
- • Federal tax brackets and standard deductions: IRS.gov
- • State income tax rates and brackets: Oregon Department of Revenue
- • Median household income, home value, and demographics: U.S. Census Bureau ACS
- • Cost of living comparisons: U.S. Bureau of Labor Statistics CES
- • National average benchmarks: Tax Foundation state-level tax burden studies
Disclaimer: Estimates are for informational purposes only. Actual tax liability depends on filing status, deductions, credits, and individual circumstances. Consult a licensed tax professional or your state revenue agency for binding tax guidance.
Reviewed by LevyIO Tax Research Team · Published 2026-01-15 · Last updated 2026-05-27
Calculate Your Full Oregon Tax Burden
See detailed state tax brackets, FICA breakdown, and compare to neighboring states.
Reviewed data sources
Reviewed May 27, 2026. Calculations use current public tax guidance and published source data.
1. Enter the tax scenario
Use the filing status, income type, state, payroll, deduction, credit, or transaction details that match the real case.
2. Review assumptions
Check the visible formula context, source notes, related calculators, and federal or state limits before relying on the estimate.
3. Verify before filing
Confirm final tax positions with IRS guidance, state revenue agencies, payroll records, brokerage forms, or a qualified tax professional.
Planning estimate, not tax advice
LevyIO calculators are educational planning tools. Actual federal, state, payroll, property, sales, and local tax results can change with filing status, credits, deductions, residency, employer withholding, address-level rates, and current forms. Verify final filing positions with IRS or state guidance, payroll records, tax software, or a qualified tax professional.
Frequently Asked Questions
What are the tax rates in Lake Oswego, OR?
Lake Oswego, Oregon has a state income tax rate up to 9.9%, plus a local income tax of 1.44%. The property tax rate is 0.99% and the combined sales tax rate is 0.4%.
How much is property tax in Lake Oswego?
The effective property tax rate in Lake Oswego is 0.99%. On the median home price of $468,000, this equals approximately $4,633 per year or $386 per month. This is below the national average of 1.1%.
What is the sales tax rate in Lake Oswego?
The combined sales tax rate in Lake Oswego is 0.4%, which includes both state and local components. This is below the national average combined rate of approximately 7.12%.
How does Lake Oswego's tax burden compare to other cities?
Lake Oswego has a high overall tax burden. The effective total tax rate for a median-income household is approximately 33.6%. The combination of 9.9% state income tax, 0.99% property tax, and 0.4% sales tax determines the total burden. Cost of living index is 107 (100 = national average).
Are there any local taxes in Lake Oswego?
Yes. Lake Oswego imposes a local income tax of 1.44% in addition to the state income tax of 9.9%.