New London, Merrimack County, New Hampshire Property Taxes
Median New London, NH effective property tax rate: 1.59%, significantly higher than the national median of 1.02%, but lower than the New Hampshire state median of 1.91%.
Median New London, NH home value: $360,900
Median annual New London, NH tax bill: $5,959, $3,559 higher than the national median property tax bill of $2,400.
How are property taxes in Merrimack calculated?
Property taxes in New London, 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 London’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in New London, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
New London, Merrimack County, New Hampshire Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
1.59%
Estimate Property Tax Bill
$5,738
$5,325
Property Tax Rates Across New London, Merrimack County, New Hampshire
Local government entities play a crucial role in determining property tax rates, which can vary significantly even within a single state. This variation arises because each county, like Merrimack, estimates its annual budget needs to provide essential services and divides this by the total value of all taxable properties in its area. This calculation determines the property tax rate. Although setting these rates and budgets involves a series of votes and legal considerations, this annual process is fundamentally about balancing budgets with property values.
In New London, located in Merrimack County, the effective property tax rate stands at 1.59%. This rate is notably higher than the national median property tax rate of 1.02%, reflecting the local government's budgetary requirements and property value assessments. When compared to other cities within New Hampshire, New London’s rate is consistent, as it also represents the state's highest and lowest median tax rates. This underscores the importance of understanding local tax dynamics, as property taxes can significantly impact homeowners’ financial planning.
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 London Tax Rate
1.59%
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 Merrimack County Tax Rate
2.44%
Median Effective New Hampshire Tax Rate
1.91%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across New London, Merrimack County, New Hampshire
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
03257 | 1.59% | 1.59% | 1.59% | 1.59% | 1.59% |
Source: Ownwell
Property Tax Assessment Values Across New London, Merrimack County, New Hampshire
Property Tax Assessment Values Across New London, Merrimack County, New Hampshire
Source: Ownwell

$166,400
$284,850
$403,300
Median New London Market Value
$360,900
Median Merrimack County Market Value
$264,400
Median New Hampshire Market Value
$299,765
Median United States Market Value
$235,294
Property Tax Assessment Values Across New London, Merrimack County, New Hampshire
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
03257 | $191,700 | $264,700 | $360,900 | $522,200 | $867,000 |
Source: Ownwell
Property Tax Bills Across New London, Merrimack County, New Hampshire
Property Tax Bills Across New London, Merrimack County, New Hampshire
Source: Ownwell

$3,558
$6,561
$9,564
Median New London Tax Bill
$5,959
Median Merrimack County Tax Bill
$6,194
Median New Hampshire Tax Bill
$5,895
Median United States Tax Bill
$2,400
Property Tax Bills Across New London, Merrimack County, New Hampshire
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
03257 | $3,085 | $4,323 | $5,959 | $8,801 | $14,861 |
Source: Ownwell