Homeowners in Forest Lake, Lake County, pay about 1.88% of their home's value in property tax each year. The median bill is $6,185.
At Forest Lake's typical rate of 1.88%. Exemptions lower the real bill.
| Home value | Property tax (estimate) |
|---|---|
| $250,000 | $4,698 |
| $350,000 | $6,577 |
| $450,000 | $8,456 |
| $600,000 | $11,274 |
| $800,000 | $15,032 |
A family with a $346,400 home in Forest Lake pays about $6,509 in property tax. With $120,000 of income they also pay about $5,940 in Illinois income tax, so their SALT deduction is $12,449 — 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 |
|---|---|---|---|
| Hawthorn Woods | Lake | 2.50% | $10,000+ |
| Kildeer | Lake | 2.38% | $10,000+ |
| Lake Zurich | Lake | 2.09% | $9,217 |
| Long Grove | Lake | 1.98% | $10,000+ |
| Deer Park | Lake | 2.09% | $10,000+ |
| North Barrington | Lake | 2.11% | $10,000+ |
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 Forest Lake pay a typical effective property tax rate of 1.88% of home value per year. The median annual bill is $6,185 and the median home value is $346,400 (U.S. Census ACS 2020–2024).
About $7,516 per year at Forest Lake's typical rate of 1.88%. The homeowner exemption and other exemptions lower the actual bill.
Forest Lake's typical rate of 1.88% is lower than the Lake County average of 2.26%.
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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