Grundy County, Illinois Property Taxes

Name: Property Tax Bills Across Grundy County, Illinois
Creator: Ownwell
License: https://creativecommons.org/licenses/by-nc/4.0/

Median Grundy County effective property tax rate: 2.61%, significantly higher than the national median of 1.02%.
Median Grundy County home value: $145,632
Median annual Grundy County tax bill: $3,869, $1,469 higher than the national median property tax bill of $2,400.

How are property taxes in Grundy County calculated?

Property taxes in Grundy County are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.

Understanding your county's property tax system, exemptions, and reduction opportunities can lead to significant savings. Whether you live in Morris or another part of Grundy County, knowing local tax details benefits homeowners and investors.

Last Updated March 1, 2025

Grundy County, Illinois Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

2.61%

Estimate Property Tax Bill

$3,801

$3,527

Ownwell’s Grundy County Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Grundy County with just two data points. By entering your property's estimated assessed value, our calculator applies Grundy County’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a more precise calculation for your property tax obligations. This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Grundy County. For those interested in more localized information, please scroll down to explore city-level trends!

Property Tax Rates Across Grundy County, Illinois

Local government entities set tax rates, which can vary widely within a state. This variation occurs because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate. While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process. Below, you can compare Grundy County's effective property tax rate to other counties in Illinois or the U.S. median property tax rate. Grundy County has a median property tax rate of 2.61%, significantly higher than the national median property tax rate of 1.02%. Within Illinois, the highest median property tax rate is 3.20% in Verona, while the lowest is 1.70% in Wilmington. This highlights the diversity in property tax rates across different regions. Understanding these differences can help property owners make informed decisions and potentially save on property taxes.

Property Tax Rates Across Grundy County, Illinois

Source: Ownwell

1.70%

2.45%

3.20%

Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.

Median Effective Grundy County Taxx Rate

2.61%

Median Effective Illinois Taxx Rate

2.35%

Median Effective United States Tax Rate

0.99%

Property Tax Rates Across Grundy County, Illinois

City	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
Braceville	2.55%	2.74%	2.74%	2.76%	3.51%
Braidwood	N/A	N/A	N/A	N/A	N/A
Carbon Hill	2.03%	2.03%	2.03%	2.03%	2.03%
Channahon	2.73%	2.79%	2.79%	2.79%	2.79%
Coal City	1.89%	2.38%	2.38%	2.45%	2.45%
Diamond	1.89%	1.89%	1.95%	1.95%	2.04%
Dwight	2.43%	2.84%	3.14%	3.35%	3.56%
East Brooklyn	N/A	N/A	N/A	N/A	N/A
Gardner	2.56%	2.73%	2.74%	3.21%	3.42%
Godley	N/A	N/A	N/A	N/A	N/A
Kinsman	2.83%	2.83%	3.15%	3.46%	3.87%
Mazon	2.29%	2.59%	3.04%	3.22%	3.61%
Minooka	2.67%	2.67%	2.67%	2.67%	2.69%
Morris	2.21%	2.42%	2.61%	2.64%	3.09%
Newark	2.55%	2.89%	2.93%	3.02%	3.13%
Ransom	N/A	N/A	N/A	N/A	N/A
Reddick	N/A	N/A	N/A	N/A	N/A
Seneca	1.95%	2.10%	2.33%	2.87%	3.15%
South Wilmington	2.83%	2.86%	2.86%	2.86%	2.86%
Verona	2.37%	2.87%	3.20%	3.43%	3.80%
Wilmington	1.70%	1.70%	1.70%	1.70%	1.70%

Source: Ownwell

Property Tax Assessment Values Across Grundy County, Illinois

When examining property taxes in Grundy County, understanding the distinction between "market value" and "assessed value" is crucial. The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Grundy County Assessment Office estimates the market value for tax purposes. The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill. Assessment notices: In Grundy County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of April. Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Grundy County. For example, the median tax bill in Grundy County is $3,570, with tax bills ranging significantly across the county. Wilmington has the highest median home price at $223,602.

Property Tax Assessment Values Across Grundy County, Illinois

Source: Ownwell

$52,952

$138,277

$223,602

Median Grundy County Market Value

$145,632

Median Illinois Market Value

$194,700

Median United States Market Value

$244,900

Property Tax Assessment Values Across Grundy County, Illinois

City	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
Braceville	$9,116	$30,390	$75,630	$129,942	$173,212
Braidwood	N/A	N/A	N/A	N/A	N/A
Carbon Hill	$18,766	$32,513	$52,952	$130,843	$186,970
Channahon	$48,549	$157,426	$207,932	$289,366	$326,486
Coal City	$61,532	$105,267	$146,964	$200,925	$295,285
Diamond	$46,433	$125,458	$156,978	$252,340	$388,577
Dwight	$20,944	$53,637	$92,187	$182,730	$290,123
East Brooklyn	N/A	N/A	N/A	N/A	N/A
Gardner	$31,996	$63,704	$117,171	$180,033	$253,318
Godley	N/A	N/A	N/A	N/A	N/A
Kinsman	$29,909	$66,008	$97,536	$153,386	$271,291
Mazon	$30,671	$70,994	$120,110	$187,672	$266,707
Minooka	$102,690	$144,696	$171,360	$222,504	$290,793
Morris	$48,376	$102,278	$152,614	$211,878	$292,279
Newark	$93,103	$141,903	$196,380	$343,326	$399,088
Ransom	N/A	N/A	N/A	N/A	N/A
Reddick	N/A	N/A	N/A	N/A	N/A
Seneca	$31,708	$116,996	$216,086	$291,432	$323,041
South Wilmington	$21,741	$37,754	$80,480	$113,175	$156,965
Verona	$18,463	$58,449	$131,076	$212,268	$291,104
Wilmington	$93,653	$174,006	$223,602	$286,977	$383,594

Source: Ownwell

Property Tax Bills Across Grundy County, Illinois

Property tax bills in Grundy County, IL, are determined by assessing the property's market value and applying the local tax rate to calculate the amount owed. Homeowners can expect their tax bill to be influenced by the assessed value of their property, which is typically a percentage of the market value. This assessed value is then multiplied by the local tax rate to determine the annual tax bill. In Grundy County, the median home price is $145,632, which plays a crucial role in determining the assessed value.

The tax bill can vary significantly among homeowners. For example, those in the 25th percentile pay around $2,518, while those in the 75th percentile face a bill of approximately $5,623. At the 90th percentile, the bill can reach up to $7,915. These figures are notably higher than the national median property tax bill of $2,400. Such variations can significantly impact homeowners' budgets, making it essential for property owners to stay informed about their property's assessed value and any changes in local tax rates.

Property Tax Bills Across Grundy County, Illinois

Source: Ownwell

$1,077

$3,591

$6,104

Median Grundy County Tax Bill

$3,869

Median Illinois Tax Bill

$4,715

Median United States Tax Bill

$2,690

Property Tax Bills Across Grundy County, Illinois

City	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
Braceville	$301	$1,004	$2,380	$3,869	$5,389
Braidwood	N/A	N/A	N/A	N/A	N/A
Carbon Hill	$382	$665	$1,077	$2,661	$3,803
Channahon	$1,309	$4,390	$5,799	$8,070	$9,105
Coal City	$1,472	$2,497	$3,426	$4,636	$6,568
Diamond	$897	$2,520	$3,057	$5,041	$7,622
Dwight	$961	$2,051	$3,378	$6,366	$9,104
East Brooklyn	N/A	N/A	N/A	N/A	N/A
Gardner	$898	$1,909	$3,519	$5,684	$8,410
Godley	N/A	N/A	N/A	N/A	N/A
Kinsman	$943	$1,907	$3,532	$5,726	$8,907
Mazon	$1,099	$2,305	$3,928	$5,880	$8,250
Minooka	$3,389	$3,915	$4,644	$6,114	$7,979
Morris	$1,505	$2,749	$3,977	$5,658	$7,860
Newark	$2,783	$4,121	$6,104	$10,110	$11,679
Ransom	N/A	N/A	N/A	N/A	N/A
Reddick	N/A	N/A	N/A	N/A	N/A
Seneca	$2,199	$3,185	$5,274	$7,324	$8,398
South Wilmington	$621	$1,079	$2,300	$3,235	$4,486
Verona	$773	$1,920	$4,377	$7,000	$9,530
Wilmington	$1,830	$3,135	$3,912	$4,979	$6,519

Source: Ownwell

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