Oswego property tax: where it goes
A typical Oswego house pays about $8,110 a year on the property tax bill, including flat charges on the same bill. Estimated from public rates, not anyone's actual bill.
A Oswego house pays 7.451% of its taxable value in property tax. For a house at $114,833 of value before exemptions with the homestead exemption, that's about $8,109 a year.
Tax is levied on Tax dollars are the assessed value of your property, less any exemptions, times the tax rate; assessed value is 33 1/3% of market value..
Kendall's 2025 rates (billed in 2026) are the latest; 2026 rates are not set until 2027.
Pay or manage it
Who taxes this house
| Taxing agency | Rate | On $114,833 |
|---|---|---|
| Kendall County | 0.5007% | $545 |
| Forest Preserve | 0.1311% | $143 |
| Joliet Junior College District 516 | 0.3965% | $432 |
| Oswego Township | 0.0471% | $51 |
| Multi-Township Assessment District | 0.0113% | $12 |
| Oswego Public Library District | 0.2133% | $232 |
| Oswegoland Park District | 0.361% | $393 |
| Oswego Fire Protection District | 0.6463% | $703 |
| Village of Oswego | 0.1278% | $139 |
| Oswego School District 308 (schools) | 5.016% | $5,459 |
| Total | 7.451% | $8,109 |
2025 tax year (payable 2026), Kendall County. Exemptions applied: General homestead exemption (owner-occupied, up to) ($6,000).
Ways to pay less
- Seniors 65+: senior homestead exemption. Persons 65 or older who live in the home and are liable for the property taxes are eligible for a homestead exemption which reduces the equalized assessed value of their home by $5,000. How: Apply with the Kendall County Assessment Office.
- Seniors 65+ with household income up to $65,000: assessment freeze. Qualified seniors must be 65 or older during the taxable year and have a total household income of no more than $65,000. How: Submit the application every year.
- Disabled veterans: homestead exemption. This exemption may be up to $70,000 of the assessed value for certain types of housing owned and used by a disabled veteran or his or her unmarried surviving spouse. How: Eligibility is determined by the Illinois Department of Veterans' Affairs and must be reestablished annually.
Sources
- www.kendallcountyil.gov/offices/assessments/exemptions
- www.oswegoil.org/government/departments/finance/taxes/electr
- www.oswegoil.org/government/departments/finance/taxes/gas-ut
Checked October 30, 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.
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