Plainfield City NJ property tax rate 2025: 8.926
Plainfield City, Union County. 10,755 parcels in the MOD-IV 2026 file. Rate shown is tax year 2025 (latest available — not yet matched to assessment year).
Assessments are tax year 2026; latest published general rate we have is 2025. Estimate uses that rate until the 2026 rate is loaded.
Plainfield City at a glance
10,755 parcels are on the 2026 file. The 2025 general rate is 8.926, and the prior rate on file is 8.732 for 2024. A typical class 2 assessment is $109,810. Usable sales with a 2025 deed: 199, median $515,000. The state construction file lists 33,365 permits here. The median class 2 house was built in 1931. A property page adds that parcel’s permits, flood zone, mapped flood elevation, and high and low ground. Owner names are not shown.
How to read a Plainfield City bill
Plainfield City’s general rate of 8.926 is tax year 2025 on the 2026 assessment file. It is not a 2026 bill. The prior general rate on file is 8.732 for 2024. School, county, and municipal shares of this rate are 27.2%, 14.6%, and 58.2%. The largest slice is municipal. In Union County the middle school share for rate year 2025 is 49.0% in Springfield Twp. Class 2 net assessments changed from $1,005,315,156 to $1,010,134,256, up 0.5%, on 9,199 parcels. Usable sales with a 2025 deed: median $515,000 (199 sales). The largest class share of net assessed value is Residential at 63.9%. State school aid is outside these bars.
Building permits in Plainfield City
The New Jersey construction-permit file lists 33,365 permits in Plainfield City. This file is a full record from 2021 on. Older permits are mostly missing. Work from before then can be missing here and still be at the Plainfield City construction office.
2025 general tax rate in Plainfield City: 8.926
This general rate is tax year 2025. The assessment file is 2026. It is not a 2026 bill.
In Union County, the median municipality’s school share (rate year 2025) is 49.0%; this town is 27.2%. The largest slice here is municipal. State school aid is not in these bars — it reduces the school levy before the rate is struck. All Union towns · How NJ taxes work.
The school percent is the local property-tax levy. The district for this municipality is Plainfield City (K-12), FY2027 K–12 aid $293,975,139. Those aid figures are not slices of these bars. Union district table.
Prior year (2024) general rate: 8.732.
Tax on a $200,000 or $500,000 sale in Plainfield City
These figures use Plainfield City’s own ratio and general rate. How the same sale price is calculated for every town. This is not an appraisal and not a collector bill.
2025
A $500,000 sale at the 2025 ratio of 27.70% would be assessed at about $138,500. At the general rate of 8.926, the estimated tax is $12,363. A $200,000 sale at that same ratio and rate would be assessed at about $55,400, with an estimated tax of $4,945.
In Union County for 2025, the $500,000 bill runs from $7,393 in Summit City to $14,114 in Roselle Boro. The middle bill is $10,396 in Garwood Boro. All Union towns.
See every New Jersey town on the same $200,000 and $500,000 sale for 2025.
Recent usable sales in Plainfield City
These are the five newest usable deeds on the 2026 file for Plainfield City. A $1 deed and a non-usable SR1A sale are left out. Each parcel stores one sale, so this is not every deed recorded in town.
| Address | Deed date | Sale price | Net assessment |
|---|---|---|---|
| 959 SO 2ND ST | 12/19/2025 | $150,000 | $25,600 |
| 116-18 SUMNER AVE | 12/19/2025 | $517,000 | $113,500 |
| 78-80 PARKSIDE ROAD | 12/18/2025 | $525,000 | $139,800 |
| 77-89 PARKSIDE ROAD | 12/9/2025 | $627,000 | $120,000 |
| 953-55 W 5TH ST | 12/8/2025 | $485,000 | $134,700 |
Owner names are not shown. The rate year and the assessment file year differ, so this table does not print an estimated tax. This is not a collector’s bill.
Highest estimated tax in Plainfield City: $81,967
Residential
The highest residential estimate in Plainfield City is $81,967 at 1001-35 RAHWAY ROAD, on a net assessment of $918,300 and a 2025 general rate of 8.926.
| Address | Class | Net assessment | Rate year | Estimated tax |
|---|---|---|---|---|
| 1001-35 RAHWAY ROAD | 2 — Residential (four families or less) | $918,300 | 2025 | $81,967 |
| 947-59 BELVIDERE AVE | 2 — Residential (four families or less) | $416,800 | 2025 | $37,204 |
| 1038-50 RAHWAY RD | 2 — Residential (four families or less) | $373,200 | 2025 | $33,312 |
| 1010-36 RAHWAY RD | 2 — Residential (four families or less) | $369,200 | 2025 | $32,955 |
| 1433-47 PROSPECT AVE | 2 — Residential (four families or less) | $368,800 | 2025 | $32,919 |
Business
The highest business estimate in Plainfield City is $1,409,326 at 1309-1645 W FRONT ST, on a net assessment of $15,789,000 and a 2025 general rate of 8.926.
| Address | Class | Net assessment | Rate year | Estimated tax |
|---|---|---|---|---|
| 1309-1645 W FRONT ST | 4B — Industrial | $15,789,000 | 2025 | $1,409,326 |
| 639-61 SOUTH AVE | 4B — Industrial | $3,000,000 | 2025 | $267,780 |
| 40-44 NORWOOD AVE | 4A — Commercial | $2,606,400 | 2025 | $232,647 |
| 1400-64 WOODLAND AVE | 4A — Commercial | $2,200,000 | 2025 | $196,372 |
| 515-43 E FRONT ST | 4A — Commercial | $1,920,000 | 2025 | $171,379 |
Owner names are not shown. Every parcel in this town uses the same rate, so the highest tax is the highest assessment. Commercial and industrial parcels (class 4A and 4B) are the business list. Apartment buildings are class 4C and are not in that list. This is not a collector’s bill.
Ratable base in Plainfield City, typical class 2 assessment $109,810
Class 2 residential in the MOD-IV file: 9,201 parcels, average net assessment $109,810.
How assessments changed
Class 2 residential net assessments changed from $1,005,315,156 to $1,010,134,256, up 0.5%, on 9,199 parcels that have both a prior net and a 2026 net. This is the assessment roll, not an appraisal.
Among 199 usable recorded sales whose latest deed on this file is in 2025, the median price is $515,000. A $1 deed and a non-usable SR1A sale are left out. Each parcel stores one sale, so this is not every deed recorded that year.
Share of net assessed value by property class (MOD-IV). Not a school-quality rating.
| Class | Parcels | Net assessed | % of net |
|---|---|---|---|
| Residential 2 | 9,201 | $1,010,366,156 | 63.9% |
| Vacant land 1 | 735 | $340,707,800 | 21.6% |
| Commercial 4A | 628 | $126,028,400 | 8.0% |
| Industrial 4B | 52 | $34,981,500 | 2.2% |
| Apartment 4C | 128 | $65,592,600 | 4.1% |
| Other / unclassified other | 11 | $3,302,670 | 0.2% |
Housing stock in Plainfield City, median year built 1931
On the 2026 file, class 2 houses in Plainfield City with a year built have a median year of 1931, about 95 years old. Of those 8,942 houses, the largest share was built Before 1940. This is the assessor’s year built. It is not a ranking of towns.
By parcel count, Residential 85.6%, Vacant land 6.8%, Commercial 5.8%, Apartment 1.2%, Industrial 0.5%, Other / unclassified 0.1%. Those percentages are a count of parcels, not a share of tax dollars. The class table uses the tax-base share.
Year built
Assessor building line
Grouped from the assessor’s building abbreviation. One-family, two-family, and condo are the codes that read clearly. Other codes stay in their own group. This is not a bedroom count, and square feet are left off because most records do not include them.