New Boston, Hillsborough County, New Hampshire Property Taxes
Median New Boston, NH effective property tax rate: 2.04%, significantly higher than the national median of 1.02%, but lower than the NH state median of 1.91%.
Median New Boston, NH home value: $401,500
Median annual New Boston, NH tax bill: $8,175, $5,775 higher than the national median property tax bill of $2,400.
How are property taxes in Hillsborough calculated?
Property taxes in New Boston, 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 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 March 1, 2025
New Boston, Hillsborough County, New Hampshire Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.04%
Estimate Property Tax Bill
$8,191
$7,601
Property Tax Rates Across New Boston, Hillsborough County, New Hampshire
Local government entities set tax rates, which can vary widely within a state. 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.
New Boston in Hillsborough County, NH, has an effective property tax rate of 2.04%, which is notably higher than the national median property tax rate of 1.02%. This means residents of New Boston pay a higher percentage of their property’s assessed value in taxes compared to the national average. The median property tax rate in New Hampshire is also 2.04%, indicating that New Boston aligns with the state’s overall tax landscape. However, it's important to consider that while New Boston's rate is consistent with the state, it still significantly surpasses the national median. This can impact homeowners' financial planning and property investment decisions, making it crucial to stay informed about local tax trends and potential ways to reduce tax liabilities through appeals and exemptions.
Property Tax Rates Across New Boston, Hillsborough County, New Hampshire
Source: Ownwell

0.34%
1.86%
3.39%
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 New Boston Tax Rate
2.04%
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 Hillsborough County Tax Rate
1.89%
Median Effective New Hampshire Tax Rate
1.91%
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 | 2.03% | 2.03% | 2.04% | 2.04% | 2.04% |
Source: Ownwell
Property Tax Assessment Values Across New Boston, Hillsborough County, New Hampshire
When examining property taxes in New Boston, 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 Hillsborough 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 Hillsborough 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 New Boston. For example, the median home price in New Boston is $401,500, with tax bills ranging significantly across the county. ZIP code 03070 has the highest median home price at $401,500.
Property Tax Assessment Values Across New Boston, Hillsborough County, New Hampshire
Source: Ownwell

$132,100
$393,850
$655,600
Median New Boston Market Value
$401,500
Median Hillsborough County Market Value
$355,600
Median New Hampshire Market Value
$299,765
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 | $278,040 | $328,400 | $401,500 | $496,950 | $599,960 |
Source: Ownwell
Property Tax Bills Across New Boston, Hillsborough County, New Hampshire
Property Tax Bills Across New Boston, Hillsborough County, New Hampshire
Source: Ownwell

$713
$7,750
$14,787
Median New Boston Tax Bill
$8,175
Median Hillsborough County Tax Bill
$6,748
Median New Hampshire Tax Bill
$5,895
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 | $5,661 | $6,691 | $8,175 | $10,118 | $12,209 |
Source: Ownwell