# 363 Union St, Jersey City

Two-family · built c. 1900 · Block 20501, Lot 31.

On Umarelli: https://umarelli.org/jersey-city/20501/31/363-union-st

More construction in West Side: https://umarelli.org/jersey-city/west-side/west-side.md

Every lot on block 20501: https://umarelli.org/jersey-city/20501.md

## Building permits

- Alteration, issued Jan 9, 2026, estimated cost $46K, 2 stories, described as “Rooftop solar installation”
- Alteration, issued Dec 29, 2016, described as “Low voltage buglar alarm”
- Alteration, issued Mar 16, 2011, described as “Replace flat existing roof, approx. 1200 sq. ft. Torch Down.”
- Alteration, issued Jun 19, 2003, described as “Water Heater”

## Property taxes

- Assessment: $310,500
- 2025 tax: $7,250
- Assessed land: $108,000
- Assessed improvements: $202,500

## Zoning

R-1 (Neighborhood Housing).

## 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
