Port Barrington, Lake County, Illinois Property Taxes
Property Taxes in Port Barrington, Illinois
Median Port Barrington, Illinois effective property tax rate: 2.32%, significantly lower than the national median of 1.02%, and slightly higher than the Illinois state median of 2.33%.
Median Port Barrington, Illinois home value: $363,372
Median annual Port Barrington, Illinois tax bill: $8,722, $6,322 higher than the national median property tax bill of $2,400.
How are property taxes in Lake calculated?
Property taxes in Port Barrington, 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 Port Barrington's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Port Barrington, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Port Barrington, Lake County, Illinois Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.32%
Estimate Property Tax Bill
$8,430
$7,823
How Does the Port Barrington Property Tax Calculator Work?
Use this Port Barrington property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Port Barrington's median effective tax rate of 2.32% — based on actual property records in Lake County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local appraisal district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Port Barrington'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 Port Barrington: rates range from 2.32% in 60010 to 2.32% in 60010, 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 Port Barrington.
About Port Barrington Property Taxes
About Property Taxes in Port Barrington, Lake, Illinois
Port Barrington's median effective property tax rate of 2.32% is lower than the Illinois state median of 2.33% and higher than the national median of 1.02%. This rate reflects the Lake 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 Port Barrington. Homeowners in the 60010 ZIP code carry a median effective rate of 2.32%, while those in the lowest ZIP also pay 2.32%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Lake County. Understanding which part of Port Barrington you live in can make a meaningful difference to your annual tax bill.
Port Barrington homeowners who believe their assessed value is too high can file a formal appeal with the Lake County Tax Assessor before the June 1, 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 Port Barrington, Lake 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 Port Barrington's effective property tax rate to other cities in Illinois and the median property tax rates in Illinois and the U.S.
Lake County's property tax rate is higher.
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 Port Barrington Tax Rate
2.32%
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 Lake County Tax Rate
2.61%
Median Effective Illinois Tax Rate
2.33%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Port Barrington, Lake County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 60010 | 2.04% | 2.22% | 2.32% | 2.39% | 2.42% |
Source: Ownwell
Property Tax Assessment Values Across Port Barrington, Lake County, Illinois
When examining property taxes in Port Barrington, 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 Lake 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.
Assessment notices are sent in the spring each year and 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 Port Barrington is $363,372, with a median tax bill of $8,722. The highest median home price is found in 60010.
Property Tax Assessment Values Across Port Barrington, Lake County, Illinois
Source: Ownwell
$153,792
$627,201
$1,100,609
Median Port Barrington Market Value
$363,372
Median Lake County Market Value
$317,980
Median Illinois Market Value
$227,888
Median United States Market Value
$235,294
Property Tax Assessment Values Across Port Barrington, Lake County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 60010 | $10,567 | $11,002 | $363,372 | $445,972 | $764,886 |
Source: Ownwell
Property Tax Bills Across Port Barrington, Lake County, Illinois
Property tax bills in Port Barrington 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 then used to determine how much a homeowner owes each year, so changes in market conditions can affect the bill. In Lake County, the median home price is $363,372, and the median tax bill in the area is $8,722.
Several factors influence the final amount, including the home’s value, local tax rates, and any exemptions or adjustments that may apply. Homes with higher assessed values generally face larger tax bills, while lower-valued properties may owe less. The range of tax bills can be wide, with the 25th percentile at $256 and the 75th percentile at $10,627, showing how much bills can vary from one homeowner to another. For many homeowners, property taxes are a major ongoing housing cost and can significantly affect monthly budgeting and long-term affordability.
Median Port Barrington Tax Bill
$8,722
Median Lake County Tax Bill
$8,402
Median Illinois Tax Bill
$5,277
Median United States Tax Bill
$2,400
Property Tax Bills Across Port Barrington, Lake County, Illinois
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 60010 | $246 | $256 | $8,722 | $10,627 | $15,740 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | June 1 |
Links | |
|---|---|
| Lake Tax Assessor | |
| Website | tax.lakecountyil.gov |