Grand Isle, Grand Isle County, Vermont Property Taxes
Property Taxes in Grand Isle, Vermont
Median Grand Isle, Vermont effective property tax rate: 1.56%, significantly lower than the national median of 1.02%, and lower than the Vermont state median of 1.92%.
Median Grand Isle, Vermont home value: $264,200
Median annual Grand Isle, Vermont tax bill: $4,182, higher than the national median property tax bill of $2,400.
How are property taxes in Grand Isle calculated?
Property taxes in Grand Isle, Vermont 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 Grand Isle's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Grand Isle, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Grand Isle, Grand Isle County, Vermont Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.56%
Estimate Property Tax Bill
$4,122
$3,825
How Does the Grand Isle Property Tax Calculator Work?
Use this Grand Isle property tax calculator to estimate your annual property tax bill. Enter your property’s assessed value and the calculator applies Grand Isle’s median effective tax rate of 1.56% — based on actual property records in Grand Isle County — to generate your estimate.
Enter your property’s estimated assessed value — the figure used to calculate your bill, which reflects any exemptions you hold and is typically lower than your home’s market value. The calculator applies Grand Isle’s median effective rate across all local levies, providing a more accurate estimate than using a single county millage rate.
Grand Isle’s median effective tax rate is higher than the Vermont median tax rate of 1.92%, and the median property tax bill is $4,182, which is $1,782 higher than the state median tax bill. Your bill may vary by ZIP code within Grand Isle, though the median tax bill is $4,182 in 05458.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Grand Isle.
About Grand Isle Property Taxes
About Property Taxes in Grand Isle, Grand Isle, Vermont
Grand Isle’s median effective property tax rate of 1.56% is lower than the Vermont state median of 1.92% and higher than the national median of 1.02%. This rate reflects the Grand Isle County base levy combined with local school district levies and special assessment districts that vary by subdivision throughout the city.
Property tax rates are not uniform across Grand Isle. Homeowners in the 05458 ZIP code carry a median effective rate of 1.56%, while those in the same ZIP code pay 1.56%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Grand Isle County. Understanding which part of Grand Isle you live in can make a meaningful difference to your annual tax bill.
Grand Isle homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the June 18, 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 Grand Isle, Grand Isle County, Vermont
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 Grand Isle's effective property tax rate to other cities in Vermont and the median property tax rates in Vermont and the U.S.
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 Grand Isle Tax Rate
1.56%
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 Grand Isle County Tax Rate
1.68%
Median Effective Vermont Tax Rate
1.92%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Grand Isle, Grand Isle County, Vermont
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 05458 | 1.56% | 1.56% | 1.56% | 1.60% | 1.60% |
Source: Ownwell
Property Tax Assessment Values Across Grand Isle, Grand Isle County, Vermont
When examining property taxes in Grand Isle, Vermont, 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 Grand Isle 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:
In Grand Isle County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of June.
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 Grand Isle.
For example, the median home price in Grand Isle is $264,200, with tax bills ranging significantly across the county. 05458 has the highest median home price at $264,200.
Property Tax Assessment Values Across Grand Isle, Grand Isle County, Vermont
Source: Ownwell
$112,900
$224,300
$335,700
Median Grand Isle Market Value
$264,200
Median Grand Isle County Market Value
$223,800
Median Vermont Market Value
$206,000
Median United States Market Value
$235,294
Property Tax Assessment Values Across Grand Isle, Grand Isle County, Vermont
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 05458 | $101,900 | $185,550 | $264,200 | $394,050 | $630,100 |
Source: Ownwell
Property Tax Bills Across Grand Isle, Grand Isle County, Vermont
How are property tax bills calculated in Grand Isle?
Property tax bills in Grand Isle are based on the assessed value of a home and the local tax rate set by the town and county. When a property’s market value changes, the assessed value can also change, which affects the final tax bill. For a home with a median market value of $264,200, the property tax bill is shaped by how local assessments compare with that value and by the tax rate applied to it.
What factors are considered? The main factors are the home’s assessed value, local tax rates, and any exemptions a homeowner may qualify for. In Grand Isle, property tax bills can vary widely, with the 25th percentile at $2,924, the 75th percentile at $6,257, and the 90th percentile at $10,086. The median tax bill is $4,182, which is above the national median property tax bill of $2,400.
How does this affect homeowners? Higher assessed values or tax rates can lead to larger bills, making it important for homeowners to review their assessments carefully.
Median Grand Isle Tax Bill
$4,182
Median Grand Isle County Tax Bill
$3,801
Median Vermont Tax Bill
$4,235
Median United States Tax Bill
$2,400
Property Tax Bills Across Grand Isle, Grand Isle County, Vermont
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 05458 | $1,650 | $2,924 | $4,182 | $6,257 | $10,086 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | June 18 |
Links | |
|---|---|
| Grand Isle Tax Assessor | |
| Website | nemrc.info |