Lemont property tax: where it goes
A typical Lemont house pays about $10,390 a year on the property tax bill, including flat charges on the same bill. Estimated from public rates, not anyone's actual bill.
A Lemont house pays 7.456% of its taxable value in property tax. For a house at $149,379 of value before exemptions with the homestead exemption, that's about $10,393 a year.
Tax is levied on Equalized assessed value (EAV) less exemptions.
Cook County bills in 2026 use tax year 2025 rates; 2026 rates are not published until 2027.
Pay or manage it
Who taxes this house
| Taxing agency | Rate | On $149,379 |
|---|---|---|
| Cook County | 0.356% | $496 |
| Village of Lemont | 0.5003% | $697 |
| Lemont-Bromberek Combined School District 113A (schools) | 2.1043% | $2,933 |
| Lemont Township High School District 210 (schools) | 1.9264% | $2,685 |
| Joliet Community College District 525 | 0.2673% | $373 |
| Lemont Park District | 0.4376% | $610 |
| Lemont Public Library District | 0.173% | $241 |
| Lemont Fire Protection District | 1.0258% | $1,430 |
| Metropolitan Water Reclamation District | 0.3366% | $469 |
| Other districts (Lemont Township, road and bridge, elections, Forest Preserve, mosquito abatement) | 0.3291% | $459 |
| Total | 7.456% | $10,393 |
2025 tax year, Cook County tax code 19006. Exemptions applied: Homeowner Exemption (reduces equalized assessed value by $10,000) ($10,000).
Ways to pay less
- Homeowner Exemption. The Homeowner Exemption reduces the Equalized Assessed Value (EAV) of a property by $10,000. How: See the Cook County Assessor's Homeowner Exemption page.
- Seniors over 65 with income up to $65,000: Senior Freeze. Senior homeowners over 65 with a total household annual income of $65,000 or less in the 2024 calendar year may be eligible for the Senior Freeze exemption. How: Apply with the Cook County Assessor.
Dates
| When | What |
|---|---|
| On or about March 1 each year | The first installment of Cook County property taxes is due and is 55% of the previous year's total amount. |
Sources
- Cook County 2025 tax code agency rates
- Assessor Lemont Township 2023
- Homeowner Exemption
- Assessed value ratio
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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