Sparta Township, NJ · Sussex County · Residential · Block 4029, Lot 14
Typical or mixed tax position
The Watchdog Score, powered by the ROBUST Framework. Evidence coverage 55%, low confidence.
Among 7,081 homes in Sparta Township, the typical (median) tax bill is $11,460. This bill is higher than about 99% of them.
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| Address | Sold | Price |
|---|---|---|
| 28 Island TrlSame street | Dec 2024 | $1,063,000 |
| 41 Island TrlSame street | Oct 2024 | $3,600,000 |
| 16 Island TrlSame street | Sep 2024 | $1,715,000 |
| 21 Island TrlSame street | Aug 2024 | $2,900,000 |
| 36 Island TrlSame street | Apr 2024 | $964,990 |
| 16 Crestwood Trl | Nov 2024 | $899,000 |
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 11 Island Trl changes. Unsubscribe any time.
A printable report for 11 Island Trl: tax and assessment, the Watchdog Score, how the bill compares in Sparta Township, recent nearby sales and appeal dates.
The latest annual property tax on the New Jersey tax list is $39,719, on an assessed value of $1,106,700.
Among 7,081 homes in Sparta Township, the typical (median) tax bill is $11,460. This bill is higher than about 99% 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 63 (Typical or mixed tax position).
Yes. Appeals go to the Sussex 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