New Boston, Hillsborough County, New Hampshire Property Taxes
Property Taxes in New Boston, New Hampshire
Median New Boston, New Hampshire effective property tax rate: 2.38%, significantly higher than the national median of 1.02%, and higher than the New Hampshire state median of 1.82%.
Median New Boston, New Hampshire home value: $404,000
Median annual New Boston, New Hampshire tax bill: $9,611, $7,211 higher than the national median property tax bill of $2,400.
How are property taxes in Hillsborough calculated?
Property taxes in New Boston, 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 New Boston's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in New Boston, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
New Boston, Hillsborough County, New Hampshire Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.38%
Estimate Property Tax Bill
$9,615
$8,923
How Does the New Boston Property Tax Calculator Work?
Use this New Boston property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies New Boston's median effective tax rate of 2.38% — based on actual property records in Hillsborough 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 New Boston'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 New Boston: rates range from 2.38% in 03070 to 2.38% in 03070, 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 New Boston.
About New Boston Property Taxes
About Property Taxes in New Boston, Hillsborough, NH
New Boston’s median effective property tax rate of 2.38% is higher than the New Hampshire state median of 1.82% and higher than the national median of 1.02%. This rate reflects the Hillsborough 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 New Boston. Homeowners in ZIP code 03070 carry a median effective rate of 2.38%, while those in 03070 pay 2.38%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Hillsborough County. Understanding which part of New Boston you live in can make a meaningful difference to your annual tax bill.
New Boston homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the September 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 New Boston, Hillsborough 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 New Boston'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 New Boston, Hillsborough County, New Hampshire
Source: Ownwell
1.36%
2.35%
3.34%
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 New Boston Tax Rate
2.38%
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 Hillsborough County Tax Rate
1.96%
Median Effective New Hampshire Tax Rate
1.82%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across New Boston, Hillsborough County, New Hampshire
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 03070 | 2.38% | 2.38% | 2.38% | 2.38% | 2.38% |
Source: Ownwell
Property Tax Assessment Values Across New Boston, Hillsborough County, New Hampshire
When examining property taxes in New Boston, 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 Hillsborough County tax authority 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 Hillsborough County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the season.
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 New Boston.
For example, the median home price in New Boston is $404,000, with tax bills ranging significantly across the county. 03070 has the highest median home price at $404,000.
Property Tax Assessment Values Across New Boston, Hillsborough County, New Hampshire
Source: Ownwell
$165,050
$411,500
$657,950
Median New Boston Market Value
$404,000
Median Hillsborough County Market Value
$366,900
Median New Hampshire Market Value
$360,500
Median United States Market Value
$235,294
Property Tax Assessment Values Across New Boston, Hillsborough County, New Hampshire
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 03070 | $278,200 | $331,300 | $404,000 | $502,700 | $609,637 |
Source: Ownwell
Property Tax Bills Across New Boston, Hillsborough County, New Hampshire
How are property tax bills calculated in New Boston?
Property tax bills in New Boston are based on the assessed value of a home and the local tax rate set by the taxing authorities. When a property’s market value changes, the assessed value can change too, which affects the final bill. For a home with a median home price of $404,000, the tax bill can be substantial, especially when compared with the national median property tax bill of $2,400.
What factors affect the tax bill?
The biggest factors are the home’s assessed value, the local tax rate, and any exemptions or adjustments that may apply. In Hillsborough County, tax bills vary widely, with the 25th percentile at $7,883, the 75th percentile at $11,972, and the 90th percentile at $14,503. That range shows how much location and property value can influence what homeowners owe.
How does this affect homeowners?
Higher property tax bills can raise monthly housing costs and make ownership less affordable, especially when local taxes are well above the national median.
Property Tax Bills Across New Boston, Hillsborough County, New Hampshire
Source: Ownwell
$2,983
$7,937
$12,890
Median New Boston Tax Bill
$9,611
Median Hillsborough County Tax Bill
$7,162
Median New Hampshire Tax Bill
$6,530
Median United States Tax Bill
$2,400
Property Tax Bills Across New Boston, Hillsborough County, New Hampshire
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 03070 | $6,620 | $7,883 | $9,611 | $11,972 | $14,503 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | March 1 |
Links | |
|---|---|
| Hillsborough Tax Assessor | |
| Website | www.vgsi.com |