Coulterville, Washington County, Illinois Property Taxes

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Property Taxes in Coulterville, Illinois

Median Coulterville, Illinois effective property tax rate: 2.07%, significantly lower than the national median of 1.02%, and lower than the Illinois state median of 2.33%.
Median Coulterville, Illinois home value: $38,385
Median annual Coulterville, Illinois tax bill: $490, lower than the national median property tax bill of $2,400.

How are property taxes in Washington calculated?

Property taxes in Coulterville, Illinois 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 Coulterville's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Coulterville, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Coulterville, Washington County, Illinois Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

2.07%

Estimate Property Tax Bill

$795

$737

How Does the Coulterville Property Tax Calculator Work?

Use this Coulterville property tax calculator to estimate your annual property tax bill. Enter your property’s assessed value and our calculator applies Coulterville’s median effective tax rate of 2.07% — based on actual property records in Washington County — to generate your estimate.

Enter your property’s estimated assessed value — the figure the local assessment process uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home’s market value. Our calculator applies Coulterville’s median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.

Your bill may vary by ZIP code within Coulterville: rates are 490 in 62237, primarily due to differences in school district levies and local assessment districts.

For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Coulterville.

About Coulterville Property Taxes

About Property Taxes in Coulterville, Washington, Illinois

Coulterville’s median effective property tax rate of 2.07% is lower than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the Washington County base levy combined with local school district levies and Special service areas (SSAs) that vary by subdivision throughout the city.

Property tax rates are not uniform across Coulterville. Homeowners in ZIP code 62237 carry a median effective rate of 2.07%, while those in 62237 pay 2.07%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Washington County. Understanding which part of Coulterville you live in can make a meaningful difference to your annual tax bill.

Coulterville homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the August 12, 2026 deadline each year.

If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.

Property Tax Rates Across Coulterville, Washington County, Illinois

As noted earlier, local government entities set tax rates, which can vary widely within a state.

Why? 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 Coulterville's effective property tax rate to other cities in Illinois and the median property tax rates in Illinois and the U.S.

Property Tax Rates Across Coulterville, Washington County, Illinois

Source: Ownwell

1.89%

2.42%

2.94%

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 Coulterville Tax Rate

2.07%

Median Effective Washington County Tax Rate

2.33%

Median Effective Illinois Tax Rate

2.33%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Coulterville, Washington County, Illinois

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
62237	0.82%	1.23%	2.07%	2.60%	3.03%

Source: Ownwell

Property Tax Assessment Values Across Coulterville, Washington County, Illinois

When examining property taxes in Coulterville, Illinois, 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. Washington County 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 Washington County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of the month.

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. For example, the median home price in Coulterville is $38,385, with tax bills ranging significantly across the county. ZIP code 62237 has the highest median home price at $38,385.

Property Tax Assessment Values Across Coulterville, Washington County, Illinois

Source: Ownwell

$17,835

$33,290

$48,744

Median Coulterville Market Value

$38,385

Median Washington County Market Value

$35,342

Median Illinois Market Value

$227,888

Median United States Market Value

$235,294

Property Tax Assessment Values Across Coulterville, Washington County, Illinois

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
62237	$7,677	$23,823	$38,385	$86,871	$113,735

Source: Ownwell

Property Tax Bills Across Coulterville, Washington County, Illinois

Property tax bills in Coulterville are calculated by applying the local tax rate to a home’s assessed value, which is based on the market value of the property. The assessed value is the starting point for determining how much a homeowner owes, and it can change when the market changes or when a property is reassessed.

Several factors affect the final bill, including the home’s market value, local taxing rates, and any applicable exemptions. For homeowners, this means a property tax bill can vary even among similar homes, depending on how each property is assessed and which local taxes apply.

In Coulterville, the median home price is $38,385, and property tax bills range from $291 at the 25th percentile to $1,804 at the 75th percentile, with the 90th percentile reaching $2,620. The median tax bill in ZIP code 62237 is $490, which is well below the national median property tax bill of $2,400.

Property Tax Bills Across Coulterville, Washington County, Illinois

Source: Ownwell

$242

$671

$1,100

Median Coulterville Tax Bill

$490

Median Washington County Tax Bill

$590

Median Illinois Tax Bill

$5,277

Median United States Tax Bill

$2,400

Property Tax Bills Across Coulterville, Washington County, Illinois

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
62237	$118	$291	$490	$1,804	$2,620

Source: Ownwell

Don't miss the deadline to appeal!

Dates
Appeal Deadline	August 12

Links
Washington Tax Assessor
Website	washingtonil.devnetwedge.com

Frequently Asked Property Tax Questions in Coulterville, Illinois

How are property taxes calculated in Coulterville, Illinois?

Property taxes in Coulterville, Illinois are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.

How do I appeal my property taxes in Coulterville, Illinois?

To appeal your property taxes in Coulterville, Illinois, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.

What property tax exemptions are available in Coulterville, Illinois?

Common property tax exemptions in Coulterville, Illinois include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.

When are property taxes due in Coulterville, Illinois?

Property tax deadlines in Coulterville, Illinois vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.

How can Ownwell help reduce my property taxes in Coulterville, Illinois?

Ownwell provides professional property tax appeal services in Coulterville, Illinois. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.