Deerfield, Rockingham County, New Hampshire Property Taxes
Property Taxes in Deerfield, New Hampshire
Median Deerfield, New Hampshire effective property tax rate: 2.46%, significantly higher than the national median of 1.02%, and higher than the New Hampshire state median of 1.82%.
Median Deerfield, New Hampshire home value: $352,500
Median annual Deerfield, New Hampshire tax bill: $8,673, $6,273 higher than the national median property tax bill of $2,400.
How are property taxes in Rockingham calculated?
Property taxes in Deerfield, 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 Deerfield's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Deerfield, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Deerfield, Rockingham County, New Hampshire Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.46%
Estimate Property Tax Bill
$8,672
$8,047
How Does the Deerfield Property Tax Calculator Work?
Use this Deerfield property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Deerfield's median effective tax rate of 2.46% — based on actual property records in Rockingham County — to generate your estimate.
Enter your property's estimated assessed value — the figure the local assessment system uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Deerfield'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 Deerfield: rates range from 2.46% in 03037 to 2.46% in 03037, 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 Deerfield.
About Deerfield Property Taxes
About Property Taxes in Deerfield, Rockingham, New Hampshire
Deerfield's median effective property tax rate of 2.46% is higher than the New Hampshire state median of 1.82% and higher than the national median of 1.02%. This rate reflects the Rockingham 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 Deerfield. Homeowners in the 03037 ZIP code carry a median effective rate of 2.46%, while those in the same ZIP code also pay 2.46%. This spread — 0 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Rockingham County. Understanding which part of Deerfield you live in can make a meaningful difference to your annual tax bill.
Deerfield homeowners who believe their assessed value is too high can file a formal appeal with the Tax Assessor before the March 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 Deerfield, Rockingham 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 Deerfield's effective property tax rate to other cities in New Hampshire and the median property tax rates in New Hampshire and the U.S.
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 Deerfield Tax Rate
2.46%
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 Rockingham County Tax Rate
1.76%
Median Effective New Hampshire Tax Rate
1.82%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Deerfield, Rockingham County, New Hampshire
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 03037 | 2.46% | 2.46% | 2.46% | 2.46% | 2.46% |
Source: Ownwell
Property Tax Assessment Values Across Deerfield, Rockingham County, New Hampshire
When examining property taxes in Deerfield, 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 Rockingham County tax assessor 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 Rockingham County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month.
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 Deerfield.
For example, the median home price in Deerfield is $352,500, with tax bills ranging significantly across the county. 03037 has the highest median home price at $352,500.
Property Tax Assessment Values Across Deerfield, Rockingham County, New Hampshire
Source: Ownwell
$279,600
$1,054,050
$1,828,500
Median Deerfield Market Value
$352,500
Median Rockingham County Market Value
$463,200
Median New Hampshire Market Value
$360,500
Median United States Market Value
$235,294
Property Tax Assessment Values Across Deerfield, Rockingham County, New Hampshire
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 03037 | $235,080 | $290,100 | $352,500 | $416,500 | $512,342 |
Source: Ownwell
Property Tax Bills Across Deerfield, Rockingham County, New Hampshire
Property tax bills in Deerfield are based on the assessed value of a home and the local tax rate set by the county and other taxing authorities. When a property’s market value rises, the assessed value can increase as well, which may lead to a higher bill. For a home priced around the $352,500 median, the tax burden can be significant, especially when compared with the national median property tax bill of $2,400.
In Deerfield, property taxes help fund local services such as schools, roads, and public safety, so homeowners pay based on both the value of their property and the needs of the community. The typical tax bill is much higher than the national norm, with the 25th percentile at $7,115 and the 75th percentile at $10,235. That means many homeowners face a sizable annual expense, and even small changes in assessed value can have a noticeable impact on household budgets.
Property Tax Bills Across Deerfield, Rockingham County, New Hampshire
Source: Ownwell
$5,478
$10,657
$15,835
Median Deerfield Tax Bill
$8,673
Median Rockingham County Tax Bill
$7,771
Median New Hampshire Tax Bill
$6,530
Median United States Tax Bill
$2,400
Property Tax Bills Across Deerfield, Rockingham County, New Hampshire
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 03037 | $5,771 | $7,115 | $8,673 | $10,235 | $12,558 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | March 1 |
Links | |
|---|---|
| Rockingham Tax Assessor | |
| Website | www.nhdeeds.org |