Greenwich, Fairfield County, Connecticut Property Taxes
Property Taxes in Greenwich, Connecticut
Median Greenwich, Connecticut effective property tax rate: 1.24%, significantly higher than the national median of 1.02%, and higher than the Connecticut state median of 3.05%.
Median Greenwich, Connecticut home value: $971,355
Median annual Greenwich, Connecticut tax bill: $12,018, higher than the national median property tax bill of $2,400.
How are property taxes in Fairfield calculated?
Property taxes in Greenwich, 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 Greenwich's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Greenwich, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Greenwich, Fairfield County, Connecticut Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.24%
Estimate Property Tax Bill
$12,045
$11,177
How Does the Greenwich Property Tax Calculator Work?
Use this Greenwich property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Greenwich's median effective tax rate of 1.24% — 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 Greenwich'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 Greenwich: rates range from $10,800.00 in 06831 to $12,892.00 in 06830, 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 Greenwich.
About Greenwich Property Taxes
About Property Taxes in Greenwich, Fairfield, Connecticut
Greenwich’s median effective property tax rate of 1.24% 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 Greenwich. Homeowners in the 06830 ZIP code carry a median effective rate of 1.24%, while those in 06831 pay 1.24%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Fairfield County. Understanding which part of Greenwich you live in can make a meaningful difference to your annual tax bill.
Greenwich homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the February 20, 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 Greenwich, 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 Greenwich'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 Greenwich Tax Rate
1.24%
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 Greenwich, Fairfield County, Connecticut
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 06830 | 1.20% | 1.20% | 1.24% | 1.24% | 1.24% |
| 06831 | 1.20% | 1.20% | 1.24% | 1.24% | 1.24% |
Source: Ownwell
Property Tax Assessment Values Across Greenwich, Fairfield County, Connecticut
When examining property taxes in Greenwich, 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 assessment office 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 the spring 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 Greenwich.
For example, the median home price in Greenwich is $971,355, with tax bills ranging significantly across the county. 06830 has the highest median home price at $1,050,070.
Property Tax Assessment Values Across Greenwich, Fairfield County, Connecticut
Source: Ownwell
$133,970
$642,613
$1,151,255
Median Greenwich Market Value
$971,355
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 Greenwich, Fairfield County, Connecticut
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 06830 | $405,790 | $530,250 | $1,050,070 | $1,996,715 | $3,513,363 |
| 06831 | $447,860 | $543,672 | $874,685 | $1,936,900 | $3,491,397 |
Source: Ownwell
Property Tax Bills Across Greenwich, Fairfield County, Connecticut
How are property tax bills calculated in Greenwich?
Property tax bills in Greenwich are based on the assessed value of a home, which is then multiplied by the local tax rate to determine the amount owed. The assessed value is tied to the market value of the property, so homes with higher market values generally face higher bills. In Fairfield County, the median home price is $971,355, which helps explain why property tax bills can be substantial.
What factors affect the final bill?
Several factors influence the amount a homeowner pays, including the home’s assessed value, the local tax rate, and the specific neighborhood or ZIP code. In Greenwich, the median property tax bill varies by area, with the highest median bill at $12,892 in ZIP code 06830 and the lowest median bill at $10,800 in ZIP code 06831.
How does this affect homeowners?
For many homeowners, property taxes are one of the largest ongoing housing costs. With bills ranging from $6,649 at the 25th percentile to $42,500 at the 90th percentile, even small changes in assessed value can have a meaningful impact on annual expenses.
Property Tax Bills Across Greenwich, Fairfield County, Connecticut
Source: Ownwell
$4,451
$14,828
$25,204
Median Greenwich Tax Bill
$12,018
Median Fairfield County Tax Bill
$8,867
Median Connecticut Tax Bill
$6,666
Median United States Tax Bill
$2,400
Property Tax Bills Across Greenwich, Fairfield County, Connecticut
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 06830 | $5,016 | $6,557 | $12,892 | $24,440 | $42,670 |
| 06831 | $5,532 | $6,713 | $10,800 | $23,629 | $42,314 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | February 20 |
Links | |
|---|---|
| Fairfield Tax Assessor | |
| Website | gis.vgsi.com |