Dorchester, Grafton County, New Hampshire Property Taxes
Median Dorchester, NH effective property tax rate: 2.31%, significantly higher than the national median of 1.02%, but lower than the New Hampshire state median of 1.91%.
Median Dorchester, NH home value: $150,138
Median annual Dorchester, NH tax bill: $3,473, $1,073 higher than the national median property tax bill of $2,400.
How are property taxes in Grafton calculated?
Property taxes in Dorchester, 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 Dorchester’s property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Dorchester, knowing local tax details benefits homeowners and investors.
Last Updated March 1, 2025
Dorchester, Grafton County, New Hampshire Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.31%
Estimate Property Tax Bill
$3,468
$3,218
Property Tax Rates Across Dorchester, Grafton County, New Hampshire
Local government entities determine tax rates, which can significantly differ within a state. This variation occurs because each county annually calculates its necessary budget to provide essential services and divides that amount by the total assessed value of all taxable property within its borders. This process establishes the property tax rate. While votes and legislative measures play a role in setting these rates and budgets, this calculation is the core of the annual procedure.
In Dorchester, located in Grafton County, the effective property tax rate is 2.31%. This rate is higher than the national median property tax rate of 1.02%. Compared to other cities in New Hampshire, Dorchester's rate is among the highest, reflecting the state's overall higher property tax rates. The median property tax bill in Dorchester also surpasses the national median of $2400, indicating a significant investment in local services and infrastructure. Understanding these rates can help property owners make informed decisions about appealing their property taxes or seeking exemptions.
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 Dorchester Tax Rate
2.31%
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 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 Dorchester, Grafton County, New Hampshire
Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
03266 | 2.31% | 2.31% | 2.31% | 2.31% | 2.31% |
Source: Ownwell
Property Tax Assessment Values Across Dorchester, Grafton County, New Hampshire
When examining property taxes in Dorchester, 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 May. 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 Dorchester. For example, the median home price in Dorchester is $150,138, with tax bills ranging significantly across the county. Zip code 03266 has the highest median home price at $150,138.
Property Tax Assessment Values Across Dorchester, Grafton County, New Hampshire
Source: Ownwell

$95,070
$382,085
$669,100
Median Dorchester Market Value
$150,138
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 Dorchester, Grafton County, New Hampshire
Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
03266 | $67,476 | $100,458 | $150,138 | $192,603 | $243,882 |
Source: Ownwell
Property Tax Bills Across Dorchester, Grafton County, New Hampshire
In Dorchester, NH, property tax bills are calculated by multiplying the property's assessed value by the local tax rate. The assessed value is determined based on the property's market value, which is evaluated periodically by local tax assessors. Various factors, such as property size, location, and improvements, influence this assessment. Homeowners in Dorchester face a median property tax bill of $3,473, which is notably higher than the national median of $2,400. This can pose a significant financial burden, especially when compared to the national median property tax rate of 1.02%.
Ownwell helps homeowners in Dorchester potentially reduce their property tax bills by providing expert property tax appeal and exemption services. By analyzing the assessed value and ensuring it accurately reflects the property's market value, Ownwell can identify opportunities for tax savings. Their expertise in navigating the appeals process can lead to substantial savings for homeowners, making property ownership more affordable in the long run.
Property Tax Bills Across Dorchester, Grafton County, New Hampshire
Source: Ownwell

$2,100
$6,988
$11,876
Median Dorchester Tax Bill
$3,473
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 Dorchester, Grafton County, New Hampshire
Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
---|---|---|---|---|---|
03266 | $1,546 | $2,302 | $3,473 | $4,454 | $5,641 |
Source: Ownwell