Plainfield City property taxes
Union County, New Jersey · population 54,586
Typical home tax bill
- 20
- 21
- 22
- 23
- 24
- 25
Median of 9,147 homes (residential lots) in the state's assessment records. The tax rate is up 6.8% since 2020.
Assessments
The town's average assessment ratio for 2026.
An assessment from 21.12% to 28.58% 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 (24.85% for 2026). If your assessment is more than 28.58% of your home's value, you may have an appeal case.
Appeal deadline
April 1, 2027 (May 1, 2027 if Plainfield City does a town-wide revaluation for 2027), or 45 days after assessment notices are mailed if that's later.
File with the Union 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 Plainfield City?
The typical (median) Plainfield City home paid $9,186 in property taxes in 2024, based on 9,147 homes in New Jersey's assessment records. Half of homes paid more and half paid less.
What is the property tax rate in Plainfield City?
The 2025 general tax rate is 8.926 per $100 of assessed value, up 2.2% 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 Plainfield City assessed at full market value?
No. For 2026 the state puts Plainfield City's average assessment at 24.85% of market value. Divide your assessment by 0.2485 to see the market value the town is assuming for your home.
When is the property tax appeal deadline in Plainfield City?
The next deadline is April 1, 2027, or 45 days after assessment notices are mailed if that is later. If Plainfield City does a town-wide revaluation for 2027, it moves to May 1, 2027. The petition has to be received by the Union County Board of Taxation, not just postmarked.
How can Plainfield City 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 Plainfield City?
- True cost of a homeThe monthly cost of any address, with its real tax bill.
- Plainfield City CO requirementsResale Certificate of Occupancy and smoke/CO alarm rules, fees and timing.
- Appeal savings estimatorWhat a lower assessment would save each year.
Real estate agent? Copy this page's link for buyers and sellers in Plainfield City.
Nearby towns
- North Plainfield Borough$10,235 typical bill
- Watchung Borough$15,323 typical bill
- Fanwood Borough$13,432 typical bill
- Scotch Plains Township$13,074 typical bill
- South Plainfield Borough$8,190 typical bill
- Dunellen Borough$10,850 typical bill
- Green Brook Township$12,454 typical bill
- Berkeley Heights Township$12,814 typical bill
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.