Union Township, NJ · Union County · Residential · Block 2409, Lot 16
Typical or mixed tax position
The Watchdog Score, powered by the ROBUST Framework. Evidence coverage 85%, high confidence.
Among 15,730 homes in Union Township, the typical (median) tax bill is $10,416. This bill is lower than about 58% of them.
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| Address | Sold | Price |
|---|---|---|
| 474 Colonial AveSame street | Nov 2024 | $635,000 |
| 223 Colonial AveSame street | Feb 2024 | $600,000 |
| 294 Colonial AveSame street | Sep 2024 | $580,000 |
| 429 Colonial AveSame street | Dec 2023 | $530,000 |
| 92 Clark Pl | Dec 2024 | $350,000 |
| 449 Clark Pl | May 2024 | $750,000 |
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 640 Colonial Ave changes. Unsubscribe any time.
A printable report for 640 Colonial Ave: tax and assessment, the Watchdog Score, how the bill compares in Union Township, recent nearby sales and appeal dates.
The latest annual property tax on the New Jersey tax list is $10,080, on an assessed value of $45,100.
Among 15,730 homes in Union Township, the typical (median) tax bill is $10,416. This bill is lower than about 58% 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 62 (Typical or mixed tax position).
Yes. Appeals go to the Union 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