Dunellen Borough, NJ · Middlesex County · Residential · Block 66, Lot 15.01
Typical or mixed tax position
The Watchdog Score, powered by the ROBUST Framework. Evidence coverage 55%, low confidence.
Among 1,936 homes in Dunellen Borough, the typical (median) tax bill is $10,850. This bill is higher than about 84% of them.
Rates start in 2019, the first year after the last town-wide revaluation.
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| Address | Sold | Price |
|---|---|---|
| 615 North AveSame street | Aug 2024 | $665,000 |
| 226 Prospect Ave | Apr 2024 | $495,000 |
| 215 Prospect Ave | Oct 2024 | $612,500 |
| 507 Grove St | Nov 2023 | $519,000 |
| 351 Whittier Ave | Nov 2024 | $446,000 |
| 364 New Market Rd | Jun 2024 | $430,000 |
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 423 North Ave changes. Unsubscribe any time.
A printable report for 423 North Ave: tax and assessment, the Watchdog Score, how the bill compares in Dunellen Borough, recent nearby sales and appeal dates.
The latest annual property tax on the New Jersey tax list is $12,608, on an assessed value of $507,600.
Among 1,936 homes in Dunellen Borough, the typical (median) tax bill is $10,850. This bill is higher than about 84% 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 60 (Typical or mixed 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