Homeowners in Lemont, Cook County, pay about 1.72% of their home's value in property tax each year. The median bill is $8,288.
At Lemont's typical rate of 1.72%. Exemptions lower the real bill.
| Home value | Property tax (estimate) |
|---|---|
| $250,000 | $4,301 |
| $350,000 | $6,022 |
| $450,000 | $7,743 |
| $600,000 | $10,324 |
| $800,000 | $13,765 |
A family with a $468,800 home in Lemont pays about $8,066 in property tax. With $120,000 of income they also pay about $5,940 in Illinois income tax, so their SALT deduction is $14,006 — under the $40,400 cap. That alone does not beat the $32,200 standard deduction for married couples; mortgage interest and charity decide the rest.
| Town | County | Rate | Median bill |
|---|---|---|---|
| Homer Glen | Will | 2.17% | $9,017 |
| Darien | DuPage | 1.76% | $7,119 |
| Woodridge | DuPage | 2.17% | $8,186 |
| Lockport | Will | 2.01% | $7,909 |
| Bolingbrook | Will | 2.36% | $7,748 |
| Willowbrook | DuPage | 1.54% | $5,075 |
Source: U.S. Census Bureau, American Community Survey 2020–2024 5-year estimates. Unofficial estimate, not a tax bill. Updated 2026-10-08.
Homeowners in Lemont pay a typical effective property tax rate of 1.72% of home value per year. The median annual bill is $8,288 and the median home value is $468,800 (U.S. Census ACS 2020–2024).
About $6,882 per year at Lemont's typical rate of 1.72%. The homeowner exemption and other exemptions lower the actual bill.
Lemont's typical rate of 1.72% is about the same as the Cook County average of 1.73%.
Yes, if you itemize. For 2026, property tax plus Illinois income tax count toward the SALT deduction, capped at $40,400 ($20,200 if married filing separately) and reduced above $505,000 of income. Itemizing helps only if your total deductions beat the standard deduction: $32,200 married filing jointly, $16,100 single, $24,150 head of household.
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