Somersworth, Strafford County, New Hampshire Property Taxes
Property Taxes in Somersworth, New Hampshire
Median Somersworth, New Hampshire effective property tax rate: 1.87%, significantly higher than the national median of 1.02%, and higher than the New Hampshire state median of 1.82%.
Median Somersworth, New Hampshire home value: $368,800
Median annual Somersworth, New Hampshire tax bill: $6,897, higher than the national median property tax bill of $2,400.
How are property taxes in Strafford calculated?
Property taxes in Somersworth, New Hampshire 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 Somersworth's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Somersworth, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Somersworth, Strafford County, New Hampshire Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.87%
Estimate Property Tax Bill
$6,897
$6,400
How Does the Somersworth Property Tax Calculator Work?
Use this Somersworth property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Somersworth's median effective tax rate of 1.87% — based on actual property records in Strafford 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 Somersworth'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 Somersworth: rates range from 1.87% in 03878 to 1.87% in 03878, 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 Somersworth.
About Somersworth Property Taxes
About Property Taxes in Somersworth, Strafford, New Hampshire
Somersworth’s median effective property tax rate of 1.87% is higher than the New Hampshire state median of 1.82% and higher than the national median of 1.02%. This rate reflects the Strafford County base levy combined with local school district levies and special assessment districts that vary by subdivision throughout the city.
Homeowners in Somersworth face a median property tax bill of $6,897, which is higher than the national median property tax bill of $2,400 and $4,497 higher than the state median bill. The median home price is $368,800, and the 75th percentile tax bill reaches $8,410, showing how quickly taxes can rise for higher-value homes.
Property tax rates are not uniform across Somersworth. However, the provided ZIP code data shows the same median rate of 1.87% in 03878, so there is no ZIP-level spread in this dataset.
Somersworth homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before September 1, 2026.
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 Somersworth, Strafford County, New Hampshire
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 Somersworth's effective property tax rate to other cities in New Hampshire and the median property tax rates in New Hampshire and the U.S.
Property Tax Rates Across Somersworth, Strafford County, New Hampshire
Source: Ownwell
1.39%
1.99%
2.58%
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 Somersworth Tax Rate
1.87%
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 Strafford County Tax Rate
1.76%
Median Effective New Hampshire Tax Rate
1.82%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Somersworth, Strafford County, New Hampshire
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 03878 | 1.87% | 1.87% | 1.87% | 1.87% | 1.87% |
Source: Ownwell
Property Tax Assessment Values Across Somersworth, Strafford County, New Hampshire
When examining property taxes in Somersworth, New Hampshire, 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 Strafford 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 Strafford County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of May.
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 Somersworth.
For example, the median home price in Somersworth is $368,800, with tax bills ranging significantly across the county. 03878 has the highest median home price at $368,800.
Property Tax Assessment Values Across Somersworth, Strafford County, New Hampshire
Source: Ownwell
$291,750
$422,925
$554,100
Median Somersworth Market Value
$368,800
Median Strafford County Market Value
$382,700
Median New Hampshire Market Value
$360,500
Median United States Market Value
$235,294
Property Tax Assessment Values Across Somersworth, Strafford County, New Hampshire
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 03878 | $139,400 | $307,300 | $368,800 | $449,700 | $536,740 |
Source: Ownwell
Property Tax Bills Across Somersworth, Strafford County, New Hampshire
Property tax bills in Somersworth are calculated by applying the local tax rate to a home’s assessed value, which is based on the market value of the property. The city and county use that assessment to determine how much a homeowner owes each year, so changes in value can directly affect the bill.
With a median home price of $368,800, the typical tax burden can be substantial. The median property tax bill is $6,897 in ZIP code 03878, while bills can range from $5,721 at the 25th percentile to $10,037 at the 90th percentile. That means homeowners with higher-valued or more heavily assessed properties may pay much more than the national median property tax bill of $2,400.
Because property taxes are tied to assessed value, homeowners in Somersworth may see their bills rise even if they have not made major changes to their homes.
Property Tax Bills Across Somersworth, Strafford County, New Hampshire
Source: Ownwell
$4,529
$7,898
$11,267
Median Somersworth Tax Bill
$6,897
Median Strafford County Tax Bill
$6,577
Median New Hampshire Tax Bill
$6,530
Median United States Tax Bill
$2,400
Property Tax Bills Across Somersworth, Strafford County, New Hampshire
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 03878 | $2,610 | $5,721 | $6,897 | $8,410 | $10,037 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | March 1 |
Links | |
|---|---|
| Strafford Tax Assessor | |
| Website | www.vgsi.com |