Unity, Sullivan County, New Hampshire Property Taxes

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Property Taxes in Unity, New Hampshire

Median Unity, New Hampshire effective property tax rate: 1.74%, significantly lower than the national median of 1.02%, and lower than the New Hampshire state median of 1.82%.
Median Unity, New Hampshire home value: $87,336
Median annual Unity, New Hampshire tax bill: $1,522, lower than the national median property tax bill of $2,400.

How are property taxes in Sullivan calculated?

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

Last Updated April 13, 2026

Unity, Sullivan County, New Hampshire Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.74%

Estimate Property Tax Bill

$1,520

$1,410

How Does the Unity Property Tax Calculator Work?

Use this Unity property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Unity's median effective tax rate of 1.74% — based on actual property records in Sullivan County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local assessor uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Unity'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 Unity: rates range from 1.74% in 03603 to 1.74% in 03603, 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 Unity.

About Unity Property Taxes

About Property Taxes in Unity, Sullivan, New Hampshire

Unity’s median effective property tax rate of 1.74% is lower than the New Hampshire state median of 1.82% and higher than the national median of 1.02%. This rate reflects the Sullivan 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 Unity. Homeowners in the 03603 ZIP code carry a median effective rate of 1.74%, while those in the same ZIP code pay 1.74%. This spread — 0.00 percentage points across the same city — reflects how school district boundaries and local assessment districts are drawn across Sullivan County. Understanding which part of Unity you live in can make a meaningful difference to your annual tax bill.

Unity homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before September 1, 2026.

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 Unity, Sullivan 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 Unity's effective property tax rate to other cities in New Hampshire and the median property tax rates in New Hampshire and the U.S.

Property Tax Rates Across Unity, Sullivan County, New Hampshire

Source: Ownwell

1.00%

2.32%

3.64%

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 Unity Tax Rate

1.74%

Median Effective Sullivan County Tax Rate

2.43%

Median Effective New Hampshire Tax Rate

1.82%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Unity, Sullivan County, New Hampshire

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
03603	1.74%	1.74%	1.74%	1.74%	1.74%

Source: Ownwell

Property Tax Assessment Values Across Unity, Sullivan County, New Hampshire

When examining property taxes in Unity, 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 Sullivan County assesses 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 Sullivan County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month when notices are sent.

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 Unity.

For example, the median home price in Unity is $87,336, with tax bills ranging significantly across the county. 03603 has the highest median home price at $87,336.

Property Tax Assessment Values Across Unity, Sullivan County, New Hampshire

Source: Ownwell

$87,336

$273,018

$458,700

Median Unity Market Value

$87,336

Median Sullivan County Market Value

$239,400

Median New Hampshire Market Value

$360,500

Median United States Market Value

$235,294

Property Tax Assessment Values Across Unity, Sullivan County, New Hampshire

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
03603	$52,736	$67,600	$87,336	$193,200	$308,892

Source: Ownwell

Property Tax Bills Across Unity, Sullivan County, New Hampshire

Property tax bills in Unity are based on the assessed value of a home and the local tax rate set by the municipality and county. When a property is assessed, officials estimate its market value and apply the tax rate to determine the annual bill. For homeowners, this means that changes in a home’s assessed value can directly affect what they owe each year.

In Unity, the median home price is $87,336, and the median property tax bill is $1,522, which is below the national median property tax bill of $2,400 and slightly below the national median property tax rate of 1.02%. Tax bills can vary widely, with the 25th percentile at $1,178 and the 75th percentile at $3,367. At the higher end, the 90th percentile reaches $5,384, showing how much property taxes can differ from one homeowner to another based on assessed value and local tax rules.

Property Tax Bills Across Unity, Sullivan County, New Hampshire

Source: Ownwell

$1,522

$4,749

$7,976

Median Unity Tax Bill

$1,522

Median Sullivan County Tax Bill

$5,563

Median New Hampshire Tax Bill

$6,530

Median United States Tax Bill

$2,400

Property Tax Bills Across Unity, Sullivan County, New Hampshire

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
03603	$919	$1,178	$1,522	$3,367	$5,384

Source: Ownwell

Don't miss the deadline to appeal!

Dates
Appeal Deadline	September 1

Links
Sullivan Tax Assessor
Website	nhtaxkiosk.com

Frequently Asked Property Tax Questions in Unity, New Hampshire

How are property taxes calculated in Unity, New Hampshire?

Property taxes in Unity, New Hampshire are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.

How do I appeal my property taxes in Unity, New Hampshire?

To appeal your property taxes in Unity, New Hampshire, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.

What property tax exemptions are available in Unity, New Hampshire?

Common property tax exemptions in Unity, New Hampshire include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.

When are property taxes due in Unity, New Hampshire?

Property tax deadlines in Unity, New Hampshire vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.

How can Ownwell help reduce my property taxes in Unity, New Hampshire?

Ownwell provides professional property tax appeal services in Unity, New Hampshire. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.