Seneca, Lasalle County, Illinois Property Taxes

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

Median Seneca, IL effective property tax rate: 2.19%, significantly higher than the national median of 1.02%, but lower than the Illinois state median of 2.35%.
Median Seneca, IL home value: $208,890
Median annual Seneca, IL tax bill: $4,307, $1,907 higher than the national median property tax bill of $2,400.

How are property taxes in LaSalle calculated?

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

Last Updated March 1, 2025

Seneca, Lasalle County, Illinois Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

2.19%

Estimate Property Tax Bill

$4,575

$4,245

Ownwell’s Seneca Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Seneca with just two data points. By entering your property's estimated assessed value, our calculator applies Seneca’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 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 LaSalle County. For those interested in more localized information, please scroll down to explore city-level trends!

Property Tax Rates Across Seneca, Lasalle County, Illinois

Local government entities, like those in Seneca, IL, set property tax rates, which can vary significantly even within the same state. This variation occurs because each county, such as LaSalle County, estimates its annual budget to deliver essential services. They then divide this budget by the total value of all taxable properties in the area, resulting in the property tax rate. Though the process involves votes and legislation, this is the essence of how property taxes are determined each year.

For those interested in how Seneca's effective property tax rate compares, it stands at 2.19%, which is significantly higher than the national median property tax rate of 1.02%. This rate also surpasses the national median property tax bill of $2400. Seneca's rate is consistent across the zip code 61360, representing both the highest and lowest rates in the area. These figures highlight the importance of understanding local tax rates and their impact on property ownership costs.

Property Tax Rates Across Seneca, Lasalle County, Illinois

Source: Ownwell

2.19%

3.11%

4.03%

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 Seneca Tax Rate

2.19%

Median Effective Lasalle County Tax Rate

3.01%

Median Effective Illinois Tax Rate

2.35%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Seneca, Lasalle County, Illinois

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
61360	1.66%	2.11%	2.19%	2.22%	2.38%

Source: Ownwell

Property Tax Assessment Values Across Seneca, Lasalle County, Illinois

When examining property taxes in Seneca, 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. The LaSalle County appraisal district 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.

In LaSalle County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of May. 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 Seneca.

For example, the median home price in Seneca is $208,890, with tax bills ranging significantly across the county. Zip code 61360 has the highest median home price at $208,890.

Property Tax Assessment Values Across Seneca, Lasalle County, Illinois

Source: Ownwell

$47,830

$136,637

$225,444

Median Seneca Market Value

$208,890

Median Lasalle County Market Value

$83,415

Median Illinois Market Value

$194,700

Median United States Market Value

$235,294

Property Tax Assessment Values Across Seneca, Lasalle County, Illinois

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
61360	$104,123	$158,280	$208,890	$250,167	$275,723

Source: Ownwell

Property Tax Bills Across Seneca, Lasalle County, Illinois

In Seneca, located in LaSalle County, IL, property tax bills are calculated based on the assessed value of a home, which is a percentage of its market value. This assessed value is then multiplied by the local tax rate to determine the annual property tax bill. The median home price in Seneca is $208,890, and homeowners typically see tax bills ranging from $2,656 at the 25th percentile to $6,080 at the 90th percentile. The median tax bill in the area is $4,307, which is substantially higher than the national median property tax bill of $2,400. This high tax bill can place a significant financial burden on homeowners. However, Ownwell can help alleviate this burden by providing expert property tax appeal and exemption services. By analyzing your property's assessed value and comparing it to similar properties, Ownwell can identify discrepancies and work to reduce your tax bill, ensuring you only pay what is fair. This service can lead to substantial savings for homeowners in Seneca.

Property Tax Bills Across Seneca, Lasalle County, Illinois

Source: Ownwell

$1,329

$3,289

$5,248

Median Seneca Tax Bill

$4,307

Median Lasalle County Tax Bill

$2,340

Median Illinois Tax Bill

$4,715

Median United States Tax Bill

$2,400

Property Tax Bills Across Seneca, Lasalle County, Illinois

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
61360	$1,443	$2,656	$4,307	$5,404	$6,080

Source: Ownwell