Killingworth, Middlesex County, Connecticut Property Taxes
Median Killingworth, CT effective property tax rate: 2.35%, significantly higher than the national median of 1.02%, but lower than the Connecticut state median of 3.14%.
Median Killingworth, CT home value: $258,930
Median annual Killingworth, CT tax bill: $6,079, $3,679 higher than the national median property tax bill of $2,400.
How are property taxes in Middlesex calculated?
Property taxes in Killingworth, CT 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 Killingworth’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Killingworth, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Killingworth, Middlesex County, Connecticut Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.35%
Estimate Property Tax Bill
$6,085
$5,647
Property Tax Rates Across Killingworth, Middlesex County, Connecticut
Local government entities determine property tax rates, which can significantly differ within a state. This variation occurs because each county calculates its necessary budget to fund services and then divides this by the total assessed value of all taxable properties within its area. This process establishes the property tax rate. Although votes and legislation play a role in setting these rates and budgets, this is the core method employed annually.
In Killingworth, located in Middlesex County, the effective property tax rate is 2.35%. This rate is notably higher than the national median of 1.02%, reflecting a substantial difference. When compared to the national median property tax bill of $2,400, the implications for homeowners in this area become evident. Homeowners in Killingworth face a higher property tax burden than many other parts of the country. This highlights the importance of understanding local property tax dynamics and considering potential savings through property tax appeals and exemptions.
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 Killingworth Tax Rate
2.35%
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 Middlesex County Tax Rate
2.98%
Median Effective Connecticut Tax Rate
3.14%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Killingworth, Middlesex County, Connecticut
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
06419 | 2.35% | 2.35% | 2.35% | 2.35% | 2.35% |
Source: Ownwell
Property Tax Assessment Values Across Killingworth, Middlesex County, Connecticut
When examining property taxes in Killingworth, CT, 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 Middlesex 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 Middlesex County, assessment notices are sent in the spring each year. They’ll typically reach your mailbox by the middle of April. 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 Killingworth. For example, the median home price in Killingworth is $258,930, with tax bills ranging significantly across the county. Zip code 06419 has the highest median home price at $258,930.
Property Tax Assessment Values Across Killingworth, Middlesex County, Connecticut
Source: Ownwell

$168,345
$257,873
$347,400
Median Killingworth Market Value
$258,930
Median Middlesex County Market Value
$200,100
Median Connecticut Market Value
$189,900
Median United States Market Value
$235,294
Property Tax Assessment Values Across Killingworth, Middlesex County, Connecticut
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
06419 | $121,597 | $199,850 | $258,930 | $329,770 | $419,853 |
Source: Ownwell
Property Tax Bills Across Killingworth, Middlesex County, Connecticut
Property Tax Bills Across Killingworth, Middlesex County, Connecticut
Source: Ownwell

$4,353
$8,440
$12,527
Median Killingworth Tax Bill
$6,079
Median Middlesex County Tax Bill
$5,804
Median Connecticut Tax Bill
$6,162
Median United States Tax Bill
$2,400
Property Tax Bills Across Killingworth, Middlesex County, Connecticut
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
06419 | $2,854 | $4,690 | $6,079 | $7,742 | $9,854 |
Source: Ownwell