Property taxes in Somerset County, New Jersey remain a critical concern for homeowners in 2026, with an average effective rate of approximately 2.036%. While county budget measures aim to slightly reduce the Somerset County tax rate, rising home values and school or municipal levies continue to increase residents’ overall bills. Our Somerset County property tax calculator helps homeowners quickly estimate taxes, plan finances, and understand trends across high- and low-tax municipalities.
Somerset County Tax Estimator (2025)
Estimator uses 2025 Somerset County general tax rates. Credits are placeholders.
Somerset County Property Tax Due Dates 2026
Property taxes in Somerset County, New Jersey for 2026 are payable quarterly, each with a 10-day grace period. Timely payments help avoid interest charges and penalties, ensuring homeowners stay compliant with county regulations.
| Quarter | Due Date | Grace Period Ends |
|---|---|---|
| 1st Quarter | February 1, 2026 | February 10, 2026 |
| 2nd Quarter | May 1, 2026 | May 10, 2026 |
| 3rd Quarter | August 1, 2026 | August 10, 2026 |
| 4th Quarter | November 1, 2026 | November 10, 2026 |
Note: If the 10th falls on a weekend or holiday, the grace period extends to the next business day.
Penalties and Interest for Late Payments for 2026
If taxes are not paid by the end of the 10-day grace period, interest accrues retroactive to the first day of the month. Somerset County applies 8% per annum on the first $1,500 and 18% per annum on amounts exceeding $1,500. Delinquencies over $10,000 may face a 6% year-end penalty, and unpaid municipal liens risk a tax sale.
Somerset County Property Tax Calculator 2026
Our Somerset County property tax calculator helps homeowners and business owners quickly estimate 2026 taxes. Enter property value, select municipality, property type, and applicable credits to see assessed value, effective rate, and estimated tax.
How to Enter Your Property Value
Start by entering your property’s appraised or market value in dollars. For example, if your home in Somerset County is worth $100,000, type that amount. This value forms the basis for the assessed value, which is used to calculate property taxes according to county and municipal rates.
Selecting Municipality and Property Type
Choose your municipality (e.g., Bass River Twp, Franklin, or Somerville) and property type: Residential/Agricultural or Commercial/Industrial. The calculator adjusts the effective tax rate depending on local levies and the type of property you own, giving you a precise estimate for Somerset County.
Applying Credits and Calculating Taxes
You can apply credits, such as the Owner-Occupancy Credit (2%) or Homestead exemption if eligible. The calculator then uses your assessed value and county tax rate (~2.036%) to estimate your total property tax for 2026, helping you plan your payments and understand potential savings.
Somerset County Property Tax Rates 2025 (Payable 2026)
In 2025, Somerset County, New Jersey residents experienced varying property tax rates across municipalities. Our tables break down county, municipal, school, and library levies, showing the effective tax rates for each taxing district, helping homeowners understand local variations and plan for their annual property tax obligations.
Table 1: Somerset County (Northern Municipalities)
This table highlights the county, municipal, school, and library taxes for northern Somerset districts, giving residents insight into the total effective rates applied in each area for 2025.
| Taxing District | County Tax | Municipal Tax | School Tax | Library Tax | Effective Tax Rate |
|---|---|---|---|---|---|
| Bedminster Twp | 0.272 | 0.618 | 0.029 | 0.015 | 1.249 |
| Bernards Twp | 0.278 | 1.095 | 0.030 | 0.000 | 1.711 |
| Bernardsville | 0.275 | 0.000 | 1.073 | 0.020 | 1.947 |
| Bound Brook | 0.279 | 1.107 | 0.030 | 0.000 | 2.235 |
| Branchburg Twp | 0.277 | 1.010 | 0.030 | 0.050 | 1.737 |
Table 2: Somerset County (Central Municipalities)
The following table provides tax breakdowns for central Somerset districts, including school and county levies, highlighting municipalities with moderate and higher effective rates.
| Taxing District | County Tax | Municipal Tax | School Tax | Library Tax | Effective Tax Rate |
|---|---|---|---|---|---|
| Bridgewater Twp | 0.293 | 0.000 | 1.294 | 0.000 | 1.829 |
| Far Hills | 0.265 | 0.000 | 0.349 | 0.000 | 1.231 |
| Franklin Twp | 0.271 | 1.064 | 0.029 | 0.050 | 1.748 |
| Green Brook Twp | 0.277 | 1.350 | 0.030 | 0.005 | 2.165 |
| Hillsborough Twp | 0.293 | 0.000 | 1.455 | 0.028 | 2.083 |
Table 3: Somerset County – Southern & High-Tax Municipalities
This table showcases southern and higher-tax municipalities, including districts with significant school and municipal levies, essential for homeowners evaluating 2025 Somerset County taxes.
| Taxing District | County Tax | Municipal Tax | School Tax | Library Tax | Effective Tax Rate |
|---|---|---|---|---|---|
| Manville | 0.279 | 1.066 | 0.029 | 0.000 | 2.140 |
| Millstone | 0.299 | 0.000 | 1.213 | 0.000 | 2.030 |
| Montgomery Twp | 0.470 | 0.000 | 2.335 | 0.040 | 2.060 |
| North Plainfield | 0.493 | 2.249 | 0.053 | 0.000 | 2.595 |
| Peapack & Gladstone | 0.273 | 0.000 | 0.715 | 0.030 | 1.631 |
| Raritan | 0.426 | 0.000 | 1.855 | 0.050 | 2.009 |
| Rocky Hill | 0.284 | 0.000 | 1.271 | 0.019 | 2.071 |
| Somerville | 0.445 | 2.388 | 0.048 | 0.000 | 2.581 |
| South Bound Brook | 0.428 | 2.182 | 0.046 | 0.000 | 2.645 |
| Warren Twp | 0.268 | 0.780 | 0.029 | 0.020 | 1.841 |
| Watchung | 0.271 | 0.660 | 0.029 | 0.020 | 2.031 |
Somerset County 2025 Abstract of Ratables PDF
Access the complete 2025 Abstract of Ratables for Somerset County, New Jersey in this PDF. It includes detailed breakdowns of county, municipal, school, and library taxes for all municipalities, highlighting effective property tax rates and helping homeowners understand local tax obligations for the year.
Conclusion
Understanding Somerset County property taxes in 2026 is essential for homeowners and business owners. By using our tax calculator, reviewing due dates, and exploring detailed municipal breakdowns, residents can estimate tax obligations accurately, plan payments, and take advantage of available credits. Staying informed about county, school, and municipal rates ensures smoother financial planning and avoids penalties.
FAQs
What is the average property tax rate in Somerset County?
The average effective property tax rate in Somerset County for 2026 is approximately 2.036%, though some municipalities like North Plainfield exceed 2.7%.
How often are property taxes due in Somerset County?
Property taxes are payable quarterly in Somerset County, with a standard 10-day grace period for each payment.
How does the Somerset County property tax calculator work?
The calculator uses your appraised property value, municipality, property type, and applicable credits to estimate assessed value and total 2026 taxes.
Are there penalties for late property tax payments?
Yes. Payments made after the 10-day grace period incur interest retroactive to the 1st of the month, with rates of 8% on the first $1,500 and 18% on amounts over $1,500.
Can homeowners apply for tax credits in Somerset County?
Eligible homeowners may apply Owner-Occupancy Credit (2%) or Homestead exemptions, reducing the total property tax liability for 2026.