Mendham, Morris County, New Jersey Property Taxes
Property Taxes in Mendham, New Jersey
Median Mendham, New Jersey effective property tax rate: 2.45%, significantly lower than the national median of 1.02%, and lower than the New Jersey state median of 2.88%.
Median Mendham, New Jersey home value: $697,750
Median annual Mendham, New Jersey tax bill: $15,888, $13,488 higher than the national median property tax bill of $2,400.
How are property taxes in Morris calculated?
Property taxes in Mendham, New Jersey 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 Mendham's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Mendham, knowing local tax details benefits homeowners and investors.
Last Updated April 13, 2026
Mendham, Morris County, New Jersey Property Tax Bill Calculator
$100,000
$1,500,000
$3,000,000
Median Effective Tax Rate
2.45%
Estimate Property Tax Bill
$17,095
$15,864
How Does the Mendham Property Tax Calculator Work?
Use this Mendham property tax calculator to estimate your annual property tax bill. Enter your property’s assessed value and our calculator applies Mendham’s median effective tax rate of 2.45% — based on actual property records in Morris County — to generate your estimate.
Enter your property’s estimated assessed value — the figure used to calculate your bill, which reflects any exemptions you hold and is typically lower than your home’s market value. Our calculator applies Mendham’s median effective rate across local levies, providing a more accurate estimate than using a single county rate.
Your bill may vary by ZIP code within Mendham, but the available data shows the same median tax bill of $15,888 in 07945. That is well above the national median property tax rate of 1.02% and the national median property tax bill of $2,400.
For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Mendham.
About Mendham Property Taxes
About Property Taxes in Mendham, Morris, New Jersey
Mendham’s median effective property tax rate of 2.45% is lower than the New Jersey state median of 2.88% and higher than the national median of 1.02%. This rate reflects the Morris 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 Mendham. Homeowners in the 07945 ZIP code carry a median effective rate of 2.45%, while those in the lowest ZIP code also pay 2.45%. This reflects how school district boundaries and local assessment districts are drawn across Morris County. Understanding which part of Mendham you live in can make a meaningful difference to your annual tax bill.
Mendham homeowners who believe their assessed value is too high can file a formal appeal with the local Tax Assessor before the April 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 Mendham, Morris County, New Jersey
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 Mendham's effective property tax rate to other cities in New Jersey and the median property tax rates in New Jersey and the U.S.
Our median effective property tax rate (tax bill Ă· 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 Mendham Tax Rate
2.45%
Our median effective property tax rate (tax bill Ă· 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 Morris County Tax Rate
2.60%
Median Effective New Jersey Tax Rate
2.88%
Median Effective United States Tax Rate
1.02%
Property Tax Rates Across Mendham, Morris County, New Jersey
| Zip | 10th Percentile | 25th Percentile | Median Tax Rate | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 07945 | 1.87% | 1.90% | 2.45% | 2.45% | 2.75% |
Source: Ownwell
Property Tax Assessment Values Across Mendham, Morris County, New Jersey
When examining property taxes in Mendham, New Jersey, 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 Morris 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 Morris County, assessment notices are sent in February each year. They'll typically reach your mailbox by the middle of February.
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 Mendham.
For example, the median home price in Mendham is $697,750, with tax bills ranging significantly across the county. 07945 has the highest median home price at $697,750.
Property Tax Assessment Values Across Mendham, Morris County, New Jersey
Source: Ownwell
$222,300
$851,800
$1,481,300
Median Mendham Market Value
$697,750
Median Morris County Market Value
$411,600
Median New Jersey Market Value
$288,200
Median United States Market Value
$235,294
Property Tax Assessment Values Across Mendham, Morris County, New Jersey
| Zip | 10th Percentile | 25th Percentile | Median Home Price | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 07945 | $377,070 | $517,400 | $697,750 | $996,450 | $1,362,640 |
Source: Ownwell
Property Tax Bills Across Mendham, Morris County, New Jersey
Mendham property tax bills are based on the assessed value of a home and the local tax rate set by the municipality, county, schools, and other taxing authorities. The bill is determined by multiplying the assessed market value by the applicable tax rate, so changes in either can affect what a homeowner pays.
With a median home price of $697,750, property taxes in Mendham are substantial. The median tax bill is $15,888, which is far above the national median property tax bill of $2,400 and the national median property tax rate of 1.02%. That means homeowners here often face a much larger annual tax burden than the typical U.S. homeowner.
Property taxes can have a major impact on affordability, especially for owners whose home values rise faster than their tax assessments are adjusted. Higher tax bills can increase monthly housing costs and make it more important for homeowners to understand how their assessment is set and whether it accurately reflects market value.
Median Mendham Tax Bill
$15,888
Median Morris County Tax Bill
$10,340
Median New Jersey Tax Bill
$8,638
Median United States Tax Bill
$2,400
Property Tax Bills Across Mendham, Morris County, New Jersey
| Zip | 10th Percentile | 25th Percentile | Median Tax Bill | 75th Percentile | 90th Percentile |
|---|---|---|---|---|---|
| 07945 | $9,158 | $12,185 | $15,888 | $21,186 | $27,854 |
Source: Ownwell
Don't miss the deadline to appeal!
Dates | |
|---|---|
| Appeal Deadline | April 1 |
Links | |
|---|---|
| Morris Tax Assessor | |
| Website | mcweb1.co.morris.nj.us |