McHenry County, IL Property Tax Search
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In-depth McHenry County, IL Property Tax Information
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See detailed property tax information from the sample report for 1501 Bull Valley Dr, McHenry County, IL
Property Tax Calculation
Property taxes are the primary source of funding for local government services in Illinois. Taxing districts, including school districts, municipalities, counties, park districts, libraries, and other local agencies, determine the funding required to provide those services. Each property's tax bill is based on its proportionate share of the total taxable value within the applicable taxing districts.
Market Value
In McHenry County, market value, also known as fair cash value, is determined by the local assessing authority and represents the price a property would most likely sell for in a competitive and open market between a willing buyer and a willing seller, with neither party under any compulsion to buy or sell.
Assessed Value
Assessment is the basis upon which taxing authorities calculate property taxes. Under the Illinois Property Tax Code, real property in McHenry County is generally assessed at 33.33% of its fair market value.
Agricultural land that qualifies as farmland is assessed under a separate state-mandated agricultural assessment system based on the land's productivity rather than its market value.
Tax Equalization Factor
The Illinois Department of Revenue is required by law to calculate a Tax Equalization Factor, also known as the multiplier, to achieve uniform property assessments throughout the state. After the Department certifies the final equalization factor, the McHenry County Clerk applies it to the property's final assessed value, as determined by the Assessor and modified by the Board of Review. The resulting value is called the Equalized Assessed Value (EAV). The EAV is the property's taxable value before any applicable exemptions are applied.
The 2025 property tax equalization factor for McHenry County is 1.0000.
Exemptions and Taxable Value
Exemptions are available in McHenry County which may lower the property's tax bill. These are deducted from the property's assessed value to give the property's taxable value.
We have no information about whether any exemptions currently apply to this property. Therefore, the taxable value will be equal to the assessed value.
Property Tax
The property tax is calculated by multiplying the property's assessed value by the applicable tax rate and represents an estimate of the amount a property owner would pay without any exemptions.
Actual taxes might differ from the figures displayed here due to various abatement and financial assistance programs. For more information please visit McHenry County's Assessment Department, Treasurer or look up this property's current valuation and tax situation.
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McHenry County Stats for Property Taxes
Explore the charts below for quick facts on McHenry County effective tax rates, median real estate taxes paid, home values, income levels and homeownership rates, and compare them to state and nationwide trends.
Effective tax rate (%)
2.61% of Assessed Home Value
2.11% of Assessed Home Value
1.02% of Assessed Home Value
Median real estate taxes paid
$7,068
$5,055
$2,869
Median home value
$270,600
$239,100
$281,900
Median income
$100,101
$78,433
$75,149
Owner occupied housing (%)
82.2%
66.7%
64.8%
Renter occupied housing (%)
17.8%
33.3%
35.2%
Frequently Asked Questions on Property Taxes
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