New Canaan, Fairfield County, Connecticut Property Taxes
Property Taxes in New Canaan, Connecticut
Median New Canaan, Connecticut effective property tax rate: 1.61%, significantly lower than the national median of 1.02%, and lower than the Connecticut state median of 3.05%.
Median New Canaan, Connecticut home value: $1,112,090
Median annual New Canaan, Connecticut tax bill: $17,950, higher than the national median property tax bill of $2,400.
How are property taxes in Fairfield calculated?
Property taxes in New Canaan, Connecticut 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 New Canaan's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in New Canaan, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
New Canaan, Fairfield County, Connecticut Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.61%
Estimate Property Tax Bill
$17,905
$16,615
How Does the New Canaan Property Tax Calculator Work?
Use this New Canaan property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies New Canaan's median effective tax rate of 1.61% — based on actual property records in Fairfield 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 New Canaan'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 New Canaan: rates range from 1.61% in 06840 to 1.61% in 06840, 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 New Canaan.
About New Canaan Property Taxes
About Property Taxes in New Canaan, Fairfield, Connecticut
New Canaan’s median effective property tax rate of 1.61% is lower than the Connecticut state median of 3.05% and higher than the national median of 1.02%. This rate reflects the Fairfield 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 New Canaan. Homeowners in the 06840 ZIP code carry a median effective rate of 1.61%, while those in the same ZIP also pay 1.61%. This spread reflects how school district boundaries and local assessment districts are drawn across Fairfield County. Understanding which part of New Canaan you live in can make a meaningful difference to your annual tax bill.
New Canaan homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before February 20, 2026.
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 New Canaan, Fairfield County, Connecticut
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 New Canaan's effective property tax rate to other cities in Connecticut and the median property tax rates in Connecticut 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 New Canaan Tax Rate
1.61%
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 Fairfield County Tax Rate
2.50%
Median Effective Connecticut Tax Rate
3.05%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across New Canaan, Fairfield County, Connecticut
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 06840 | 1.61% | 1.61% | 1.61% | 1.61% | 1.61% |
Source: Ownwell
Property Tax Assessment Values Across New Canaan, Fairfield County, Connecticut
When examining property taxes in New Canaan, Connecticut, 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 Fairfield 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 Fairfield County, assessment notices are sent in December each year. They'll typically reach your mailbox by the middle of December.
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 New Canaan.
For example, the median home price in New Canaan is $1,112,090, with tax bills ranging significantly across the county. 06840 has the highest median home price at $1,112,090.
Property Tax Assessment Values Across New Canaan, Fairfield County, Connecticut
Source: Ownwell
$133,970
$642,613
$1,151,255
Median New Canaan Market Value
$1,112,090
Median Fairfield County Market Value
$335,010
Median Connecticut Market Value
$209,000
Median United States Market Value
$235,294
Property Tax Assessment Values Across New Canaan, Fairfield County, Connecticut
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 06840 | $593,040 | $813,278 | $1,112,090 | $1,592,885 | $2,231,901 |
Source: Ownwell
Property Tax Bills Across New Canaan, Fairfield County, Connecticut
How are property tax bills calculated in New Canaan?
Property tax bills in New Canaan are based on the assessed value of a home, which is tied to its market value and the local tax rate set by Fairfield County and other taxing authorities. When a home’s assessed value rises, the tax bill can increase even if the homeowner has not made any changes to the property. For a median home price of $1,112,090, the property tax burden can be substantial.
What factors affect the bill? Home value, assessment level, and local tax rates all play a role. In New Canaan, the median tax bill is $17,950, while the 25th percentile is $13,131 and the 75th percentile is $25,709. At the high end, the 90th percentile reaches $36,023.
How does this compare nationally? The national median property tax bill is $2,400, so homeowners in New Canaan typically pay far more than the U.S. median. That can make annual housing costs significantly higher and increase the importance of reviewing assessments carefully.
Property Tax Bills Across New Canaan, Fairfield County, Connecticut
Source: Ownwell
$4,451
$14,828
$25,204
Median New Canaan Tax Bill
$17,950
Median Fairfield County Tax Bill
$8,867
Median Connecticut Tax Bill
$6,666
Median United States Tax Bill
$2,400
Property Tax Bills Across New Canaan, Fairfield County, Connecticut
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 06840 | $9,572 | $13,131 | $17,950 | $25,709 | $36,023 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | February 20 |
Links | |
|---|---|
| Fairfield Tax Assessor | |
| Website | gis.vgsi.com |