Piscataway Twp NJ property tax rate 2025: 1.750 after reassessment
Piscataway Twp, Middlesex County. 15,225 parcels in the MOD-IV 2026 file. Rate shown is tax year 2025 (latest available — not yet matched to assessment year).
2026 revaluation/reassessment town — 2026 general tax rate not in our warehouse yet. Showing 2025 rate against 2026 assessments; YoY % is withheld until the matching rate posts.
Piscataway Twp at a glance
15,225 parcels are on the 2026 file. The 2025 general rate is 1.750, and the prior rate on file is 1.898 for 2024. A typical class 2 assessment is $567,318. Usable sales with a 2025 deed: 280, median $553,000. The state construction file lists 17,467 permits here. The median class 2 house was built in 1973. 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 Piscataway Twp bill
Piscataway Twp’s general rate of 1.750 is tax year 2025 on the 2026 assessment file. It is not a 2026 bill. The prior general rate on file is 1.898 for 2024. This municipality is on the 2026 reassessment list, so the rate move is the roll being reset. It is not, by itself, the change in the bill. School, county, and municipal shares of this rate are 52.5%, 20.2%, and 27.3%. The largest slice is schools. In Middlesex County the middle school share for rate year 2025 is 54.6% in South Plainfield Boro. Class 2 net assessments changed from $7,088,965,300 to $7,742,759,100, up 9.2%, on 13,648 parcels. Usable sales with a 2025 deed: median $553,000 (280 sales). The largest class share of net assessed value is Residential at 50.8%. State school aid is outside these bars.
Building permits in Piscataway Twp
The New Jersey construction-permit file lists 17,467 permits in Piscataway Twp. 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 Piscataway Twp construction office.
2025 general tax rate in Piscataway Twp: 1.750
This general rate is tax year 2025. The assessment file is 2026. It is not a 2026 bill.
In Middlesex County, the median municipality’s school share (rate year 2025) is 54.6%; this town is 52.5%. The largest slice here is schools. State school aid is not in these bars — it reduces the school levy before the rate is struck. All Middlesex towns · How NJ taxes work.
The school percent is the local property-tax levy. The district for this municipality is Piscataway Twp (K-12), FY2027 K–12 aid $25,079,345. Those aid figures are not slices of these bars. Middlesex district table.
Prior year (2024) general rate: 1.898.
Tax on a $200,000 or $500,000 sale in Piscataway Twp
These figures use Piscataway Twp’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 86.91% would be assessed at about $434,550. At the general rate of 1.750, the estimated tax is $7,605. A $200,000 sale at that same ratio and rate would be assessed at about $173,820, with an estimated tax of $3,042.
In Middlesex County for 2025, the $500,000 bill runs from $4,625 in Carteret Boro to $13,615 in Highland Park Boro. The middle bill is $10,575 in New Brunswick City. All Middlesex towns.
See every New Jersey town on the same $200,000 and $500,000 sale for 2025.
Recent usable sales in Piscataway Twp
These are the five newest usable deeds on the 2026 file for Piscataway Twp. 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 |
|---|---|---|---|
| 336 LANCASTER CT | 12/31/2025 | $320,000 | $314,500 |
| 20 CHARLTON AVE | 12/31/2025 | $800,000 | $762,000 |
| 99 VERA ST | 12/30/2025 | $412,000 | $431,300 |
| 3 LEXINGTON DR | 12/30/2025 | $655,000 | $774,700 |
| 9 LOCUST AVE | 12/30/2025 | $450,000 | $439,100 |
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 Piscataway Twp: $66,687
Residential
The highest residential estimate in Piscataway Twp is $66,687 at 1659 S WASHINGTON AVE, on a net assessment of $3,810,700 and a 2025 general rate of 1.750.
| Address | Class | Net assessment | Rate year | Estimated tax |
|---|---|---|---|---|
| 1659 S WASHINGTON AVE | 2 — Residential (four families or less) | $3,810,700 | 2025 | $66,687 |
| 38 LOGAN LN | 2 — Residential (four families or less) | $2,117,300 | 2025 | $37,053 |
| 15 WAKEFIELD LN | 2 — Residential (four families or less) | $1,758,700 | 2025 | $30,777 |
| 30 GARRETSON LN | 2 — Residential (four families or less) | $1,682,300 | 2025 | $29,440 |
| 441 2ND AVE | 2 — Residential (four families or less) | $1,676,100 | 2025 | $29,332 |
Business
The highest business estimate in Piscataway Twp is $8,379,000 at 1115 CENTENNIAL AVE, on a net assessment of $478,800,000 and a 2025 general rate of 1.750.
| Address | Class | Net assessment | Rate year | Estimated tax |
|---|---|---|---|---|
| 1115 CENTENNIAL AVE | 4B — Industrial | $478,800,000 | 2025 | $8,379,000 |
| 101 POSSUMTOWN RD | 4B — Industrial | $400,000,000 | 2025 | $7,000,000 |
| 40 CORPORATE PL S | 4B — Industrial | $127,250,000 | 2025 | $2,226,875 |
| 909 RIVER RD | 4B — Industrial | $120,000,000 | 2025 | $2,100,000 |
| 1690 S WASHINGTON AVE | 4B — Industrial | $65,470,000 | 2025 | $1,145,725 |
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 Piscataway Twp, typical class 2 assessment $567,318
Class 2 residential in the MOD-IV file: 13,648 parcels, average net assessment $567,318.
How assessments changed
Class 2 residential net assessments changed from $7,088,965,300 to $7,742,759,100, up 9.2%, on 13,648 parcels that have both a prior net and a 2026 net. This is the reassessment roll. It is not the change in the tax bill.
Among 280 usable recorded sales whose latest deed on this file is in 2025, the median price is $553,000. 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 | 13,648 | $7,742,759,100 | 50.8% |
| Vacant land 1 | 1,047 | $2,840,187,400 | 18.6% |
| Commercial 4A | 279 | $547,872,200 | 3.6% |
| Industrial 4B | 203 | $3,263,109,000 | 21.4% |
| Apartment 4C | 31 | $836,168,900 | 5.5% |
| Farm (regular) 3A | 3 | $1,648,800 | 0.0% |
| Farm (qualified) 3B | 7 | $82,800 | 0.0% |
| Other / unclassified other | 7 | $0 | 0.0% |
Housing stock in Piscataway Twp, median year built 1973
On the 2026 file, class 2 houses in Piscataway Twp with a year built have a median year of 1973, about 53 years old. Of those 13,632 houses, the largest share was built 1960–1979. This is the assessor’s year built. It is not a ranking of towns.
By parcel count, Residential 89.6%, Vacant land 6.9%, Commercial 1.8%, Industrial 1.3%, Apartment 0.2%, Farm (qualified) <0.1%, Other / unclassified <0.1%, Farm (regular) <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.