Frelinghuysen Township property taxes
Warren County, New Jersey · population 2,199
Typical home tax bill
- 20
- 21
- 22
- 23
- 24
- 25
Median of 606 homes (residential lots) in the state's assessment records. The tax rate is up 14.2% since 2020.
Assessments
The town's average assessment ratio for 2026.
An assessment from 61.37% to 83.03% of a home's value is inside the state's allowed range. Above that, an appeal can bring it down.
Is your assessment too high?
New Jersey checks your assessment against the town's average ratio (72.20% for 2026). If your assessment is more than 83.03% of your home's value, you may have an appeal case.
Appeal deadline
April 1, 2027 (May 1, 2027 if Frelinghuysen Township does a town-wide revaluation for 2027), or 45 days after assessment notices are mailed if that's later.
File with the Warren County Board of Taxation. The petition has to arrive by the deadline; a postmark isn't enough. Homes assessed over $1 million can go straight to the Tax Court.
Questions
What is the average property tax bill in Frelinghuysen Township?
The typical (median) Frelinghuysen Township home paid $8,906 in property taxes in 2024, based on 606 homes in New Jersey's assessment records. Half of homes paid more and half paid less.
What is the property tax rate in Frelinghuysen Township?
The 2025 general tax rate is 2.858 per $100 of assessed value, up 0.0% from 2024. Your bill is your assessment divided by 100, times the rate. Compare towns by bills, not rates, because towns assess at different levels.
Is Frelinghuysen Township assessed at full market value?
No. For 2026 the state puts Frelinghuysen Township's average assessment at 72.20% of market value. Divide your assessment by 0.7220 to see the market value the town is assuming for your home.
When is the property tax appeal deadline in Frelinghuysen Township?
The next deadline is April 1, 2027, or 45 days after assessment notices are mailed if that is later. If Frelinghuysen Township does a town-wide revaluation for 2027, it moves to May 1, 2027. The petition has to be received by the Warren County Board of Taxation, not just postmarked.
How can Frelinghuysen Township homeowners lower their property taxes?
Check that your assessment isn't too high (the checker on this page does the math), and apply for New Jersey's relief programs: ANCHOR for homeowners and renters, Stay NJ for seniors 65 and older, and the Senior Freeze. Watchdog's free benefit estimator shows which ones fit.
Property tax relief
- ANCHORA yearly benefit for New Jersey homeowners and renters under the income limits.
- Stay NJHomeowners 65 and older can get up to half of the bill back, up to a cap.
- Senior FreezePays back increases for eligible seniors and people with disabilities.
- Stack themSee how the programs work together for one household.
Buying or selling in Frelinghuysen Township?
- True cost of a homeThe monthly cost of any address, with its real tax bill.
- Appeal savings estimatorWhat a lower assessment would save each year.
Real estate agent? Copy this page's link for buyers and sellers in Frelinghuysen Township.
Nearby towns
Sources: typical bills and assessments are medians of residential lots in New Jersey's MOD-IV assessment records (2024 bills). Tax rates: NJ Division of Taxation, General Tax Rates by County and Municipality. Assessment ratios: NJ Division of Taxation, 2026 Chapter 123 ratios. Revaluations: 2026 approved revaluations and reassessments. This page is general information, not legal or tax advice.