Grantham, Grafton County, New Hampshire Property Taxes

Name: Property Tax Bills Across Grantham, Grafton County, New Hampshire
Creator: Ownwell
License: https://creativecommons.org/licenses/by-nc/4.0/

Median Grantham, NH effective property tax rate: 2.57%, significantly higher than the national median of 1.02%, but lower than the New Hampshire state median of 1.91%.
Median Grantham, NH home value: $484,900
Median annual Grantham, NH tax bill: $12,486, $10,086 higher than the national median property tax bill of $2,400.

How are property taxes in Grafton County calculated?

Property taxes in Grantham, 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 Grantham’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Grantham, knowing local tax details benefits homeowners and investors.

Last Updated March 1, 2025

Grantham, Grafton County, New Hampshire Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

2.57%

Estimate Property Tax Bill

$12,462

$11,564

Ownwell’s Grantham Property Tax Bill Calculator empowers homeowners, real estate investors, and potential buyers to estimate their annual property taxes in Grantham with just two data points.

By entering your property's estimated assessed value, our calculator applies Grantham’s median effective tax rate to accurately estimate your property tax bill. Note that your property's assessed value — determined by Grafton 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 Grafton County.

For those interested in more localized information, please scroll down to explore city-level trends!

Property Tax Rates Across Grantham, Grafton County, New Hampshire

Local government entities set tax rates, which can vary widely within a state. This variation is due to each county estimating its required budget to provide services and dividing 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. In Grantham, located in Grafton County, New Hampshire, the property tax rate is significantly higher than the national median of 1.02%. This makes the property tax bills in Grantham considerably more substantial compared to the national average bill of $2400. When comparing Grantham’s effective property tax rate to other cities in New Hampshire and the median property tax rates in the state and the U.S., it becomes evident that property owners in Grantham face a heavier tax burden. Understanding these differences can help property owners in Grantham make informed decisions regarding property tax appeals and exemptions.

Property Tax Rates Across Grantham, Grafton County, New Hampshire

Source: Ownwell

0.64%

2.03%

3.43%

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 Grantham Tax Rate

2.57%

Median Effective Grafton County Tax Rate

2.30%

Median Effective New Hampshire Tax Rate

1.91%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Grantham, Grafton County, New Hampshire

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
03753	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Assessment Values Across Grantham, Grafton County, New Hampshire

When examining property taxes in Grantham, 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 Grafton 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 Grafton 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 Grantham. For example, the median home price in Grantham is $484,900, with tax bills ranging significantly across the county.

Property Tax Assessment Values Across Grantham, Grafton County, New Hampshire

Source: Ownwell

$95,070

$382,085

$669,100

Median Grantham Market Value

$484,900

Median Grafton County Market Value

$210,700

Median New Hampshire Market Value

$299,765

Median United States Market Value

$235,294

Property Tax Assessment Values Across Grantham, Grafton County, New Hampshire

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
03753	N/A	N/A	N/A	N/A	N/A

Source: Ownwell

Property Tax Bills Across Grantham, Grafton County, New Hampshire

In Grantham, NH, property tax bills are determined by the assessed value of a property and the local tax rate set by Grafton County. The assessed value reflects the estimated market value of the property, which is then multiplied by the local tax rate to calculate the annual tax bill. With a median home price of $484,900, homeowners in Grantham can expect tax bills that vary widely. The 25th percentile tax bill is $6,453, while the 75th percentile reaches $13,890, and the 90th percentile can climb to $15,498. This is notably higher than the national median property tax bill of $2,400.

High property taxes can significantly impact homeowners' finances, making it essential to ensure that assessments are fair and accurate. This is where Ownwell comes in. By providing expert property tax appeal and exemption services, Ownwell helps homeowners in Grantham potentially lower their tax bills. With a deep understanding of local tax codes and valuation processes, Ownwell ensures that property assessments are equitable, potentially saving homeowners thousands of dollars annually.

Property Tax Bills Across Grantham, Grafton County, New Hampshire

Source: Ownwell

$2,100

$6,988

$11,876

Median Grantham Tax Bill

$12,486

Median Grafton County Tax Bill

$4,270

Median New Hampshire Tax Bill

$5,895

Median United States Tax Bill

$2,400

Property Tax Bills Across Grantham, Grafton County, New Hampshire

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
03753	N/A	N/A	N/A	N/A	N/A

Source: Ownwell