Union City City, NJ · Hudson County · Exempt: other · Block 128, Lot 30
Strong tax position
The Watchdog Score, powered by the ROBUST Framework. Evidence coverage 55%, low confidence.
Rates start in 2024, the first year after the last town-wide revaluation.
No similar sales on the state list in the last 3 years.
Claim it to follow its assessment, tax and score in your Watchdog account. Once ownership is verified, you can add a photo that shows wherever this address appears on Watchdog.
We check the state tax list once a month and email you if the assessment, tax bill or Watchdog Score for 510 23rd St changes. Unsubscribe any time.
A printable report for 510 23rd St: tax and assessment, the Watchdog Score, how the bill compares in Union City City, recent nearby sales and appeal dates.
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 85 (Strong tax position).
Yes. Appeals go to the Hudson 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