Dartmouth, Bristol County, Massachusetts Property Taxes
Property Taxes in Dartmouth, Massachusetts
Median Dartmouth, Massachusetts effective property tax rate: 0.86%, significantly lower than the national median of 1.02%, and lower than the Massachusetts state median of 1.15%.
Median Dartmouth, Massachusetts home value: $874,600
Median annual Dartmouth, Massachusetts tax bill: $7,530, $5,130 higher than the national median property tax bill of $2,400.
How are property taxes in Bristol calculated?
Property taxes in Dartmouth, 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 Dartmouth's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Dartmouth, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Dartmouth, Bristol County, Massachusetts Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
0.86%
Estimate Property Tax Bill
$7,522
$6,980
How Does the Dartmouth Property Tax Calculator Work?
Use this Dartmouth property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Dartmouth's median effective tax rate of 0.86% — based on actual property records in Bristol County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessor uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Dartmouth'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 Dartmouth: rates range from $3,163 in 02714 to $7,982 in 02748, primarily due to differences in school district levies and local assessment districts. Dartmouth's median tax rate is lower than Bristol County's and lower than Massachusetts' 1.15% median rate, while the median tax bill is $5,130 lower than the state median.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Dartmouth.
About Dartmouth Property Taxes
About Property Taxes in Dartmouth, Bristol, Massachusetts
Dartmouth’s median effective property tax rate of 0.86% is lower than the Massachusetts state median of 1.15% and lower than the national median of 1.02%. This rate reflects the Bristol 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 Dartmouth. Homeowners in the 02714 ZIP code carry a median effective rate of 0.92%, while those in 02748 pay 0.86%. This spread reflects how school district boundaries and local assessment districts are drawn across Bristol County. Understanding which part of Dartmouth you live in can make a meaningful difference to your annual tax bill.
Dartmouth 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 Dartmouth, Bristol 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 Dartmouth's effective property tax rate to other cities in Massachusetts and the median property tax rates in Massachusetts and the U.S.
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 Dartmouth Tax Rate
0.86%
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 Bristol County Tax Rate
1.13%
Median Effective Massachusetts Tax Rate
1.15%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Dartmouth, Bristol County, Massachusetts
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 02714 | 0.86% | 0.92% | 0.92% | 0.92% | 0.92% |
| 02748 | 0.86% | 0.86% | 0.86% | 0.86% | 0.86% |
Source: Ownwell
Property Tax Assessment Values Across Dartmouth, Bristol County, Massachusetts
When examining property taxes in Dartmouth, 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 Bristol County assessment office 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 Bristol County, assessment notices are sent in the spring 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. The median home price in Dartmouth is $874,600, with tax bills ranging from $3,163 in 02714 to $7,982 in 02748. Dartmouth’s median tax bill is $7,530, well above the national median property tax bill of $2,400 and the national median property tax rate of 1.02%.
Property Tax Assessment Values Across Dartmouth, Bristol County, Massachusetts
Source: Ownwell
$343,100
$678,550
$1,014,000
Median Dartmouth Market Value
$874,600
Median Bristol County Market Value
$452,600
Median Massachusetts Market Value
$561,600
Median United States Market Value
$235,294
Property Tax Assessment Values Across Dartmouth, Bristol County, Massachusetts
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 02714 | $247,380 | $334,300 | $343,100 | $558,400 | $865,000 |
| 02748 | $585,970 | $812,900 | $927,000 | $1,134,550 | $1,709,350 |
Source: Ownwell
Property Tax Bills Across Dartmouth, Bristol County, Massachusetts
Property tax bills in Dartmouth are based on the assessed value of a home and the local tax rate set by the city and county. When a property’s market value rises, the assessed value can increase too, which often leads to a higher tax bill. For homeowners, that means taxes can change even if nothing about the home itself has changed.
With a median home price of $874,600, property taxes can be substantial. The typical tax bill in Dartmouth is well above the national median property tax bill of $2,400, and many homeowners pay far more than that. The 25th percentile tax bill is $4,610, while the 75th percentile reaches $9,424. At the high end, the 90th percentile tax bill is $12,618.
These bills affect monthly housing costs and can put pressure on household budgets, especially in a high-value market like Dartmouth. Homeowners in ZIP code 02748 face the highest median tax bill at $7,982, while ZIP code 02714 has the lowest median tax bill at $3,163.
Median Dartmouth Tax Bill
$7,530
Median Bristol County Tax Bill
$4,842
Median Massachusetts Tax Bill
$6,068
Median United States Tax Bill
$2,400
Property Tax Bills Across Dartmouth, Bristol County, Massachusetts
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 02714 | $2,281 | $3,082 | $3,163 | $4,808 | $7,418 |
| 02748 | $5,203 | $6,999 | $7,982 | $9,774 | $14,718 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | February 1 |
Links | |
|---|---|
| Bristol Tax Assessor | |
| Website | www.mass.gov |