Dennis, Barnstable County, Massachusetts Property Taxes
Median Dennis, MA effective property tax rate: 0.47%, significantly lower than the national median of 1.02%, but lower than the Massachusetts state median of 1.23%.
Median Dennis, MA home value: $759,100
Median annual Dennis, MA tax bill: $3,545, $1,145 higher than the national median property tax bill of $2,400.
How are property taxes in Barnstable calculated?
Property taxes in Dennis, MA 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 Dennis’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Dennis, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Dennis, Barnstable County, Massachusetts Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.47%
Estimate Property Tax Bill
$3,568
$3,311
Property Tax Rates Across Dennis, Barnstable County, Massachusetts
Local government entities set tax rates, which can vary widely within a state. 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 Dennis's effective property tax rate to other cities in Massachusetts and the median property tax rates in Massachusetts and the U.S.
In Dennis, located in Barnstable County, the property tax rate is notably lower than the national median of 1.02%. This can result in significant savings for homeowners compared to other regions. The uniform tax rate in Dennis means there isn't a wide disparity in property tax burdens within the city. This consistency can be an attractive factor for potential homeowners looking for predictability in their annual expenses. Understanding these rates and how they compare can be crucial for making informed decisions about property investments and homeownership in the area.
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 Dennis Tax Rate
0.47%
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 Barnstable County Tax Rate
0.70%
Median Effective Massachusetts Tax Rate
1.23%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Dennis, Barnstable County, Massachusetts
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
02638 | 0.47% | 0.47% | 0.47% | 0.47% | 0.47% |
Source: Ownwell
Property Tax Assessment Values Across Dennis, Barnstable County, Massachusetts
When examining property taxes in Dennis, MA, 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 Barnstable 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.
In Barnstable 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 Dennis.
For example, the median home price in Dennis is $759,100, with tax bills ranging significantly across the county. Zip code 02638 has the highest median home price at $759,100.
Property Tax Assessment Values Across Dennis, Barnstable County, Massachusetts
Source: Ownwell

$390,350
$1,067,975
$1,745,600
Median Dennis Market Value
$759,100
Median Barnstable County Market Value
$556,400
Median Massachusetts Market Value
$492,600
Median United States Market Value
$235,294
Property Tax Assessment Values Across Dennis, Barnstable County, Massachusetts
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
02638 | $379,700 | $514,800 | $759,100 | $1,185,200 | $1,705,000 |
Source: Ownwell
Property Tax Bills Across Dennis, Barnstable County, Massachusetts
In Dennis, located in Barnstable County, MA, property tax bills are calculated based on the assessed value of a home, which is determined by local tax assessors. With a median home price of $759,100, homeowners in Dennis face a median property tax bill of $3,545, which is significantly higher than the national median of $2,400. The tax rate applied to the assessed value is a critical factor in determining the final tax bill. Factors such as property size, location, and market trends are considered during assessment. This can significantly impact homeowners, particularly when property values rise, leading to higher tax bills.
Ownwell offers a solution by providing property tax appeal services, helping homeowners potentially lower their tax bills. By analyzing property assessments and identifying discrepancies or overvaluations, Ownwell can assist in filing appeals to reduce the assessed value, thereby lowering tax obligations. This service can be especially beneficial for those in Dennis with tax bills reaching up to $7,962 at the 90th percentile, offering significant savings and financial relief.
Property Tax Bills Across Dennis, Barnstable County, Massachusetts
Source: Ownwell

$1,987
$9,347
$16,706
Median Dennis Tax Bill
$3,545
Median Barnstable County Tax Bill
$4,094
Median Massachusetts Tax Bill
$5,844
Median United States Tax Bill
$2,400
Property Tax Bills Across Dennis, Barnstable County, Massachusetts
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
02638 | $1,773 | $2,404 | $3,545 | $5,535 | $7,962 |
Source: Ownwell