Somersworth, Strafford County, New Hampshire Property Taxes
Median Somersworth, NH effective property tax rate: 2.81%, significantly higher than the national median of 1.02%, but lower than the NH state median of 1.91%.
Median Somersworth, NH home value: $218,350
Median annual Somersworth, NH tax bill: $6,090, $3,690 higher than the national median property tax bill of $2,400.
How are property taxes in Strafford calculated?
Property taxes in Somersworth, NH 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 March 1, 2025
Somersworth, Strafford County, New Hampshire Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.81%
Estimate Property Tax Bill
$6,136
$5,694
Ownwell’s Somersworth Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Somersworth with just two data points.
By entering your property's estimated assessed value, our calculator applies Somersworth’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by your county — reflects any exemptions you may have, ensuring a precise calculation for your property tax obligations.
This insightful tool helps you understand potential tax liabilities and highlights how Ownwell can assist in reducing property taxes in Strafford County.
For those interested in more localized information, please scroll down to explore city-level trends!
Property Tax Rates Across Somersworth, Strafford County, New Hampshire
Local government entities in New Hampshire, such as those in Somersworth, set property tax rates that can differ significantly across the state. This variation occurs because each county, like Strafford, annually calculates its budgetary needs to provide essential services. The total budget is then divided by the assessed value of all taxable properties within the county, resulting in the property tax rate. Though the process involves legislative votes and regulations, this is the fundamental method used each year.
In Somersworth, located in Strafford County, the effective property tax rate is notably high compared to other cities in New Hampshire. With a median property tax rate of 2.81%, it significantly exceeds the national median of 1.02%. This means property owners in Somersworth may face higher tax bills compared to other regions. Understanding these rates and how they are determined can empower property owners to make informed decisions about property tax appeals and exemptions. By being aware of local tax rates and comparing them to state and national averages, property owners can better navigate the complexities of property taxation.
Property Tax Rates Across Somersworth, Strafford County, New Hampshire
Source: Ownwell

1.49%
2.20%
2.90%
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
2.81%
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
2.42%
Median Effective New Hampshire Tax Rate
1.91%
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 | 2.81% | 2.81% | 2.81% | 2.81% | 2.81% |
Source: Ownwell
Property Tax Assessment Values Across Somersworth, Strafford County, New Hampshire
When examining property taxes in Somersworth, NH, 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 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 Strafford 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 Somersworth. For example, the median home price in Somersworth is $218,350, with tax bills ranging significantly across the county. Zip code 03878 has the highest median home price at $218,350.
Property Tax Assessment Values Across Somersworth, Strafford County, New Hampshire
Source: Ownwell

$171,300
$287,068
$402,835
Median Somersworth Market Value
$218,350
Median Strafford County Market Value
$262,600
Median New Hampshire Market Value
$299,765
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 | $50,870 | $184,400 | $218,350 | $262,725 | $305,830 |
Source: Ownwell
Property Tax Bills Across Somersworth, Strafford County, New Hampshire
Property Tax Bills Across Somersworth, Strafford County, New Hampshire
Source: Ownwell

$4,328
$7,254
$10,180
Median Somersworth Tax Bill
$6,090
Median Strafford County Tax Bill
$5,998
Median New Hampshire Tax Bill
$5,895
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 | $1,434 | $5,132 | $6,090 | $7,331 | $8,494 |
Source: Ownwell