Onset, Barnstable County, Massachusetts Property Taxes
Median Onset, MA effective property tax rate: 0.88%, significantly lower than the national median of 1.02%, but lower than the Massachusetts state median of 1.23%.
Median Onset, MA home value: $671,900
Median annual Onset, MA tax bill: $5,920, $3,520 higher than the national median property tax bill of $2,400.
How are property taxes in Barnstable calculated?
Property taxes in Onset, 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 Onset’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Onset, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Onset, Barnstable County, Massachusetts Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.88%
Estimate Property Tax Bill
$5,913
$5,487
Property Tax Rates Across Onset, Barnstable County, Massachusetts
Local government entities determine tax rates, which can vary significantly within a state. This variation arises because each county annually estimates the budget needed to provide services and divides it 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, this is essentially the annual process.
In Onset, located in Barnstable County, the effective property tax rate is 0.88%. This is lower than the national median property tax rate of 1.02%, indicating a relatively lower tax burden for property owners in Onset. Compared to other cities in Massachusetts, Onset's rate aligns closely with the state's median, offering a competitive advantage for homeowners.
Overall, Onset’s property tax rate provides a favorable environment for property owners, especially when compared to the national landscape. This makes it an attractive location for those looking to manage their property tax expenses efficiently.
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 Onset Tax Rate
0.88%
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 Onset, Barnstable County, Massachusetts
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
02558 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Assessment Values Across Onset, Barnstable County, Massachusetts
When examining property taxes in Onset, 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 Onset. For example, the median home price in Onset is $671,900, with tax bills ranging significantly across the county.
Property Tax Assessment Values Across Onset, Barnstable County, Massachusetts
Source: Ownwell

$390,350
$1,067,975
$1,745,600
Median Onset Market Value
$671,900
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 Onset, Barnstable County, Massachusetts
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
02558 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell
Property Tax Bills Across Onset, Barnstable County, Massachusetts
Median Onset Tax Bill
$5,920
Median Barnstable County Tax Bill
$4,094
Median Massachusetts Tax Bill
$5,844
Median United States Tax Bill
$2,400
Property Tax Bills Across Onset, Barnstable County, Massachusetts
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
02558 | N/A | N/A | N/A | N/A | N/A |
Source: Ownwell