# 21 Hancock Ave, Jersey City

Condominium · 4 units · built c. 1910 · Block 4405, Lot 29.

On Umarelli: https://umarelli.org/jersey-city/4405/29/21-hancock-ave

More construction in Hudson City: https://umarelli.org/jersey-city/heights/hudson-city.md

Every lot on block 4405: https://umarelli.org/jersey-city/4405.md

## Building permits

- Alteration — Multi-Family, issued Jun 30, 2020, estimated cost $76K
- Alteration — Multi-Family, issued Aug 21, 2019, estimated cost $6K
- Alteration, issued Apr 30, 2018, described as “Remove 1 550 ust oil tank”
- Alteration, issued Apr 17, 2018, described as “Interior demo of 4 units”
- Alteration, issued Sep 11, 2000, described as “Repair Water Pipe In Basement”

## Property taxes

- Assessment: $1,771,500
- Assessed land: $237,400
- Assessed improvements: $1,534,100
- Condo units with their own tax lots: 4

## Zoning

R-1 (Neighborhood Housing).

## Recent sales

- Oct 19, 2025: $499,000, Unit 0001, 1,613 sq ft ($309 per sq ft)
- May 15, 2024: $565,000, Unit 0002, 1,607 sq ft, sold with other lots
- Jun 7, 2023: $355,000, Unit 0003, 775 sq ft, sold with other lots
- Jan 4, 2022: $340,000, Unit 0004, sold with other lots

Open-market sales since mid-2019, from the state’s SR1A sales file.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

From New York City and Jersey City public records, refreshed within a day of each release. Sources: https://umarelli.org/sources. Methodology and corrections: https://umarelli.org/methodology