Osterville, Barnstable County, Massachusetts Property Taxes
Property Taxes in Osterville, Massachusetts
Median Osterville, Massachusetts effective property tax rate: 0.81%, significantly lower than the national median of 1.02%, and lower than the Massachusetts state median of 1.15%.
Median Osterville, Massachusetts home value: $948,550
Median annual Osterville, Massachusetts tax bill: $7,674, $5,274 higher than the national median property tax bill of $2,400.
How are property taxes in Barnstable calculated?
Property taxes in Osterville, Massachusetts 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 Osterville's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Osterville, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Osterville, Barnstable County, Massachusetts Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.81%
Estimate Property Tax Bill
$7,683
$7,130
How Does the Osterville Property Tax Calculator Work?
Use this Osterville property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Osterville's median effective tax rate of 0.81% — based on actual property records in Barnstable County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessment system uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Osterville'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 Osterville: rates range from 0.81% in 02655 to 0.81% in 02655, 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 Osterville.
About Osterville Property Taxes
About Property Taxes in Osterville, Barnstable, Massachusetts
Osterville’s median effective property tax rate of 0.81% is lower than the Massachusetts state median of 1.15% and lower than the national median of 1.02%. This rate reflects the Barnstable 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 Osterville. Homeowners in the 02655 ZIP code carry a median effective rate of 0.81%, while those in 02655 pay 0.81%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Barnstable County. Understanding which part of Osterville you live in can make a meaningful difference to your annual tax bill.
Osterville homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the February 1, 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 Osterville, Barnstable County, Massachusetts
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 Osterville's effective property tax rate to other cities in Massachusetts and the median property tax rates in Massachusetts and the U.S.
Property Tax Rates Across Osterville, Barnstable County, Massachusetts
Source: Ownwell
0.35%
0.70%
1.06%
Our median effective property tax rate (tax bill Ă· 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 Osterville Tax Rate
0.81%
Our median effective property tax rate (tax bill Ă· 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
0.69%
Median Effective Massachusetts Tax Rate
1.15%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Osterville, Barnstable County, Massachusetts
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 02655 | 0.81% | 0.81% | 0.81% | 0.81% | 0.81% |
Source: Ownwell
Property Tax Assessment Values Across Osterville, Barnstable County, Massachusetts
When examining property taxes in Osterville, Massachusetts, 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.
Assessment notices:
In Barnstable County, assessment notices are sent in December 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 Osterville.
For example, the median home price in Osterville is $948,550, with tax bills ranging significantly across the county. 02655 has the highest median home price at $948,550.
Property Tax Assessment Values Across Osterville, Barnstable County, Massachusetts
Source: Ownwell
$434,000
$988,550
$1,543,100
Median Osterville Market Value
$948,550
Median Barnstable County Market Value
$651,000
Median Massachusetts Market Value
$561,600
Median United States Market Value
$235,294
Property Tax Assessment Values Across Osterville, Barnstable County, Massachusetts
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 02655 | $496,320 | $584,400 | $948,550 | $2,101,275 | $4,052,360 |
Source: Ownwell
Property Tax Bills Across Osterville, Barnstable County, Massachusetts
How are property tax bills calculated in Osterville?
Property tax bills in Osterville are based on the assessed value of a home and the local tax rate set by Barnstable County and other taxing authorities. When a property’s market value rises, the assessed value can increase as well, which often leads to a higher tax bill. For a home with a median home price of $948,550, the tax burden can be significant, especially in a market where values are well above the national median property tax bill of $2,400.
What factors affect the amount homeowners pay?
The final bill depends on the home’s assessed value, local tax rates, and any exemptions or adjustments that may apply. In Osterville, property tax bills vary widely, with the 25th percentile at $4,728, the 75th percentile at $17,000, and the 90th percentile at $32,799. That range shows how much the tax bill can differ from one homeowner to another.
How does this affect homeowners?
Higher assessed values can mean larger annual bills, which can put pressure on household budgets and make it important for homeowners to understand how their property is taxed.
Property Tax Bills Across Osterville, Barnstable County, Massachusetts
Source: Ownwell
$2,203
$8,254
$14,304
Median Osterville Tax Bill
$7,674
Median Barnstable County Tax Bill
$4,531
Median Massachusetts Tax Bill
$6,068
Median United States Tax Bill
$2,400
Property Tax Bills Across Osterville, Barnstable County, Massachusetts
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 02655 | $4,015 | $4,728 | $7,674 | $17,000 | $32,799 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | February 1 |
Links | |
|---|---|
| Barnstable Tax Assessor | |
| Website | barnstable.gov |