Homeowners in Long Grove, Lake County, pay about 1.98% of their home's value in property tax each year. The median bill is $10,000+.
At Long Grove's typical rate of 1.98%. Exemptions lower the real bill.
| Home value | Property tax (estimate) |
|---|---|
| $250,000 | $4,946 |
| $350,000 | $6,924 |
| $450,000 | $8,903 |
| $600,000 | $11,870 |
| $800,000 | $15,827 |
A family with a $804,600 home in Long Grove pays about $15,918 in property tax. With $120,000 of income they also pay about $5,940 in Illinois income tax, so their SALT deduction is $21,858 — 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 |
|---|---|---|---|
| Kildeer | Lake | 2.38% | $10,000+ |
| Forest Lake | Lake | 1.88% | $6,185 |
| Buffalo Grove | Lake | 2.56% | $10,000+ |
| Vernon Hills | Lake | 2.54% | $10,000+ |
| Hawthorn Woods | Lake | 2.50% | $10,000+ |
| Lake Zurich | Lake | 2.09% | $9,217 |
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 Long Grove pay a typical effective property tax rate of 1.98% of home value per year. The median annual bill is $10,000+ and the median home value is $804,600 (U.S. Census ACS 2020–2024).
About $7,913 per year at Long Grove's typical rate of 1.98%. The homeowner exemption and other exemptions lower the actual bill.
Long Grove's typical rate of 1.98% 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.
We check whether you should itemize, claim every Illinois credit and file on time — in English, Russian or Ukrainian.