Middlesex County, New Jersey, homeowners face an effective property tax rate of approximately 2.288% in 2024, though rates vary across municipalities, from 1.617% in Monroe to 2.503% in Milltown. Property taxes in Middlesex County are calculated using assessed property values and include county, school, and municipal budgets. Our Middlesex County tax calculator helps residents quickly estimate their annual taxes, ensuring accurate planning based on local variations and updated rates.
Middlesex County Tax Estimator (2025 Rates)
Estimator uses 2025 Middlesex County effective tax rates (rate per $100 of assessed value).
Middlesex County Property Tax Due Dates (2026)
Property taxes in Middlesex County are billed annually but paid quarterly. Each installment is due on specific dates, with many municipalities offering a short grace period if payments fall on weekends or holidays.
| Quarter | Due Date | Notes |
|---|---|---|
| 1st | February 1 | 10-day grace period may apply |
| 2nd | May 1 | 10-day grace period may apply |
| 3rd | August 1 | 10-day grace period may apply |
| 4th | November 1 | 10-day grace period may apply |
Penalties for Late Payment (2026)
Failure to pay property taxes on time in Middlesex County results in strict penalties. Interest accrues at 8% annually on the first $1,500, and 18% on amounts over $1,500. Year-end delinquencies above $10,000 may incur a 6% penalty, and unpaid taxes can lead to tax lien sales or eventual foreclosure. Municipalities enforce these penalties to ensure timely tax collection.
Middlesex County Property Tax Relief Programs (2026)
Property owners in Middlesex County may qualify for various tax relief programs, including deductions and reimbursements, designed to reduce the financial burden for seniors, veterans, and eligible residents.
| Program Name | Benefit / Deduction | Eligibility Criteria |
|---|---|---|
| Senior/Disabled Citizen Deduction | $250 annual deduction | Seniors, disabled persons, or surviving spouses (income limits apply) |
| Veterans Deduction | $250 annual deduction | Qualified veterans residing in Middlesex County |
| Property Tax Reimbursement (“Senior Freeze”) | Reimburses increases in property taxes | Eligible senior homeowners meeting income and residency requirements |
Middlesex County Property Tax Calculator
Our Middlesex County property tax calculator helps homeowners quickly estimate annual property taxes. Enter your property’s appraised value, select the municipality and property type, and apply applicable credits like Owner-Occupancy or Homestead for accurate results.
How to Use the Calculator
To calculate your property taxes in Middlesex County, start by entering your home’s market or appraised value. For example, a $300,000 residential property in New Brunswick will be assessed based on local tax rates. Choose the correct municipality and property type to ensure accurate calculations.
Understanding Assessed Value
The assessed value is the portion of your property’s market value used to determine taxes. In Middlesex County, the assessment reflects 100% of the property’s appraised value multiplied by the local tax rate. Credits like Owner-Occupancy can reduce the final amount, giving you a clearer estimate of what you’ll owe.
Example Calculation
For instance, a $350,000 home in Milltown with residential designation and a 2% Owner-Occupancy credit will calculate taxes based on the assessed value. Select your town, property type, and apply credits to see the estimated annual property tax, including county, school, and municipal portions.
Middlesex County 2025 Property Tax Rates (Payable in 2026)
Middlesex County’s property taxes vary significantly across municipalities, with each district applying specific local, municipal, and school rates. Understanding these variations helps homeowners accurately estimate their tax liabilities using our calculator.
Middlesex Borough’s tax rate for 2025
2.120 Tax Rate – Breakdown is as follows:
- 0.310 – County Tax
- 0.029 – County Open Space Tax
- 1.138 – School Tax
- 0.611 – Local Municipal Tax
- 0.032 – Municipal Library Tax
General & Municipal Tax Breakdown
This table shows the municipal, local open space, and general tax rates for Middlesex County districts, along with their effective tax rates, helping homeowners plan their payments.
| District | MTUD Tax | Municipal Tax | Local Open Tax | Municipal General Tax | Effective Rate |
|---|---|---|---|---|---|
| Carteret Boro | 3.188 | — | — | — | 2.153 |
| Cranbury TWP | 1.834 | — | — | — | 1.514 |
| Dunellen Boro | 2.508 | — | — | — | 2.537 |
| East Brunswick TWP | 11.822 | — | — | — | 2.400 |
| Edison TWP | 5.732 | — | — | — | 2.086 |
| Helmetta Boro | 3.389 | — | — | — | 2.189 |
| Highland Park Boro | 2.562 | — | — | — | 2.881 |
| Jamesburg Boro | 6.657 | — | — | — | 2.783 |
| Metuchen Boro | 6.955 | — | — | — | 2.462 |
| Middlesex Boro | 2.314 | — | — | — | 2.288 |
| Milltown Boro | 6.754 | — | — | — | 2.503 |
| Monroe TWP | 2.654 | — | — | — | 1.617 |
| New Brunswick City | 2.619 | — | — | — | 2.141 |
| North Brunswick TWP | 6.336 | — | — | — | 2.544 |
| Old Bridge TWP | 5.530 | — | — | — | 1.849 |
| Perth Amboy City | 3.017 | — | — | — | 2.327 |
| Piscataway TWP | 1.898 | — | — | — | 1.801 |
| Plainsboro TWP | 2.559 | — | — | — | 2.302 |
| Sayreville Boro | 6.105 | — | — | — | 2.168 |
| South Amboy City | 3.209 | — | — | — | 2.210 |
| South Brunswick TWP | 5.357 | — | — | — | 1.963 |
| South Plainfield Boro | 6.982 | — | — | — | 2.038 |
| South River Boro | 2.547 | — | — | — | 1.917 |
| Spotswood Boro | 3.641 | — | — | — | 2.439 |
| Woodbridge TWP | 11.634 | — | — | — | — |
Total & Effective Tax Rates
This table summarizes the general, effective, and total tax rates for each Middlesex County district, giving homeowners a complete picture of their property tax obligations.
| District | General Tax | Effective Tax Rate | Total Tax Rate |
|---|---|---|---|
| Carteret Boro | 3.188 | 2.153 | — |
| Cranbury TWP | 1.834 | 1.514 | — |
| Dunellen Boro | 2.508 | 2.537 | — |
| East Brunswick TWP | 11.822 | 2.400 | — |
| Edison TWP | 5.732 | 2.086 | — |
| Helmetta Boro | 3.389 | 2.189 | — |
| Highland Park Boro | 2.562 | 2.881 | — |
| Jamesburg Boro | 6.657 | 2.783 | — |
| Metuchen Boro | 6.955 | 2.462 | — |
| Middlesex Boro | 2.314 | 2.288 | — |
| Milltown Boro | 6.754 | 2.503 | — |
| Monroe TWP | 2.654 | 1.617 | — |
| New Brunswick City | 2.619 | 2.141 | — |
| North Brunswick TWP | 6.336 | 2.544 | — |
| Old Bridge TWP | 5.530 | 1.849 | — |
| Perth Amboy City | 3.017 | 2.327 | — |
| Piscataway TWP | 1.898 | 1.801 | — |
| Plainsboro TWP | 2.559 | 2.302 | — |
| Sayreville Boro | 6.105 | 2.168 | — |
| South Amboy City | 3.209 | 2.210 | — |
| South Brunswick TWP | 5.357 | 1.963 | — |
| South Plainfield Boro | 6.982 | 2.038 | — |
| South River Boro | 2.547 | 1.917 | — |
| Spotswood Boro | 3.641 | 2.439 | — |
| Woodbridge TWP | 11.634 | — | — |
Middlesex County 2025 Property Tax PDF
Download the Middlesex County 2024 Property Tax PDF to access complete tax rates, district breakdowns, and effective tax rates. This comprehensive guide helps homeowners quickly compare municipal, school, and general taxes for accurate planning. All Middlesex County districts are included, ensuring no tax information is missed.
Conclusion
Middlesex County property taxes vary across municipalities, influenced by local, school, and county budgets. Using our tax calculator and understanding effective rates, due dates, penalties, and available relief programs helps homeowners plan efficiently. Accurate knowledge of each district’s rates ensures proper budgeting and prevents penalties, while the downloadable PDF provides a complete reference for all 2024 tax information in Middlesex County.
FAQs
What is the average property tax rate in Middlesex County?
The average effective property tax rate in Middlesex County is approximately 2.288% in 2024, though rates vary by municipality.
How can I calculate my Middlesex County property taxes?
Use our Middlesex County property tax calculator by entering your property’s appraised value, municipality, property type, and applicable credits like Owner-Occupancy or Homestead.
When are property taxes due in Middlesex County?
Property taxes are billed annually but paid in four quarterly installments: February 1, May 1, August 1, and November 1, with many towns offering a 10-day grace period.
What happens if I miss a property tax payment?
Late payments incur penalties: 8% interest on the first $1,500, 18% on amounts over $1,500, and a 6% year-end penalty for delinquencies over $10,000. Tax liens or foreclosure may occur.
Are there any tax relief programs in Middlesex County?
Yes. Seniors, disabled residents, and veterans may qualify for deductions, and eligible seniors can use the “Senior Freeze” program to reimburse property tax increases.