Marlborough, Hartford County, Connecticut Property Taxes
Property Taxes in Marlborough, Connecticut
Median Marlborough, Connecticut effective property tax rate: 3.63%, significantly higher than the national median of 1.02%, and higher than the Connecticut state median of 3.05%.
Median Marlborough, Connecticut home value: $194,215
Median annual Marlborough, Connecticut tax bill: $7,048, $4,648 higher than the national median property tax bill of $2,400.
How are property taxes in Hartford calculated?
Property taxes in Marlborough, 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 Marlborough's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Marlborough, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Marlborough, Hartford County, Connecticut Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
3.63%
Estimate Property Tax Bill
$7,050
$6,542
How Does the Marlborough Property Tax Calculator Work?
Use this Marlborough property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Marlborough's median effective tax rate of 3.63% — based on actual property records in Hartford 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 Marlborough'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 Marlborough: rates range from 3.63% in 06447 to 3.63% in 06447, 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 Marlborough.
About Marlborough Property Taxes
About Property Taxes in Marlborough, Hartford, Connecticut
Marlborough’s median effective property tax rate of 3.63% is higher than the Connecticut state median of 3.05% and higher than the national median of 1.02%. This rate reflects the Hartford 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 Marlborough. Homeowners in the 06447 ZIP code carry a median effective rate of 3.63%, while those in the same ZIP code also pay 3.63%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Hartford County. Understanding which part of Marlborough you live in can make a meaningful difference to your annual tax bill.
Marlborough homeowners who believe their assessed value is too high can file a formal appeal with the 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 Marlborough, Hartford 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 Marlborough'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 Marlborough Tax Rate
3.63%
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 Hartford County Tax Rate
3.45%
Median Effective Connecticut Tax Rate
3.05%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Marlborough, Hartford County, Connecticut
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 06447 | 3.63% | 3.63% | 3.63% | 3.63% | 3.63% |
Source: Ownwell
Property Tax Assessment Values Across Marlborough, Hartford County, Connecticut
When examining property taxes in Marlborough, 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 Hartford 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 Hartford County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month when notices are sent.
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 Marlborough.
For example, the median home price in Marlborough is $194,215, with tax bills ranging significantly across the county. 06447 has the highest median home price at $194,215.
Property Tax Assessment Values Across Marlborough, Hartford County, Connecticut
Source: Ownwell
$24,476
$182,688
$340,900
Median Marlborough Market Value
$194,215
Median Hartford County Market Value
$180,170
Median Connecticut Market Value
$209,000
Median United States Market Value
$235,294
Property Tax Assessment Values Across Marlborough, Hartford County, Connecticut
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 06447 | $134,266 | $156,140 | $194,215 | $251,442 | $325,195 |
Source: Ownwell
Property Tax Bills Across Marlborough, Hartford County, Connecticut
Property tax bills in Marlborough are based on the assessed value of a home and the local tax rate set by the municipality and county. When a property’s market value changes, the assessed value can change as well, which can affect the final bill homeowners receive.
For homeowners in Marlborough, the median home price is $194,215, and the median property tax bill is $7,048. That is well above the national median property tax bill of $2,400 and the national median property tax rate of 1.02%. Bills can vary widely, with the 25th percentile at $5,666 and the 75th percentile at $9,125. At the high end, the 90th percentile reaches $11,769.
These differences show how property taxes can place a significant burden on homeowners, especially when assessed values rise faster than expected. In Marlborough, the tax bill is determined by the combination of home value and local tax policy, making it an important factor in overall housing costs.
Property Tax Bills Across Marlborough, Hartford County, Connecticut
Source: Ownwell
$1,690
$6,767
$11,843
Median Marlborough Tax Bill
$7,048
Median Hartford County Tax Bill
$6,427
Median Connecticut Tax Bill
$6,666
Median United States Tax Bill
$2,400
Property Tax Bills Across Marlborough, Hartford County, Connecticut
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 06447 | $4,872 | $5,666 | $7,048 | $9,125 | $11,769 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | February 20 |
Links | |
|---|---|
| Hartford Tax Assessor | |
| Website | www.mytaxbill.org |