South Plainfield Borough, NJ · Middlesex County · Residential · Block 167, Lot 16
Favorable tax position
The Watchdog Score, powered by the ROBUST Framework. Evidence coverage 55%, low confidence.
Among 6,807 homes in South Plainfield Borough, the typical (median) tax bill is $8,190. This bill is lower than about 75% of them.
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| Address | Sold | Price |
|---|---|---|
| 529 Harrison AveSame street | Aug 2024 | $457,500 |
| 533 Harrison AveSame street | Mar 2024 | $590,000 |
| 553 Harrison AveSame street | Jan 2024 | $465,000 |
| 521 Melr0se Ave | Oct 2024 | $510,000 |
| 300 Franklin Ave | Oct 2024 | $571,000 |
| 118 Geary Dr | Jun 2024 | $450,000 |
Same property type in the same town, same street first. Prices come from the state tax list, which runs about a year behind, and can include sales between relatives or other non-market transfers.
We check the state tax list once a month and email you if the assessment, tax bill or Watchdog Score for 505 Harrison Ave changes. Unsubscribe any time.
A printable report for 505 Harrison Ave: tax and assessment, the Watchdog Score, how the bill compares in South Plainfield Borough, recent nearby sales and appeal dates.
The latest annual property tax on the New Jersey tax list is $7,226, on an assessed value of $103,500.
Among 6,807 homes in South Plainfield Borough, the typical (median) tax bill is $8,190. This bill is lower than about 75% of them.
The Watchdog Score, powered by the ROBUST Framework, rates a property's tax position from 0 to 100 using six kinds of public evidence. Higher is better. This property scores 70 (Favorable tax position).
Yes. Appeals go to the Middlesex County Board of Taxation. In most towns the deadline is April 1 (May 1 after a town-wide revaluation), or 45 days after assessment notices are mailed if that is later.
No. Watchdog does not show owner names or mailing addresses. Everything on this page comes from public tax and parcel records.
Source: New Jersey MOD-IV tax list and NJ Office of GIS parcel data, refreshed monthly (last refresh October 2026). Town tax rates from the NJ Division of Taxation. Watchdog does not show owner names. How we get our numbers