# 345 Union St, Jersey City

Two-family · built c. 1900 · Block 20501, Lot 40.

On Umarelli: https://umarelli.org/jersey-city/20501/40/345-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 Aug 8, 2025, estimated cost $4K, described as “JCMUA emergency - replace 1" water service”
- Alteration, issued May 20, 2015, described as “Replace porch concrete slab”

## Property taxes

- Assessment: $269,500
- 2025 tax: $6,293
- Assessed land: $102,200
- Assessed improvements: $167,300
- Last sale: $420,000 in 2020

## Zoning

R-1 (Neighborhood Housing).

## Recent sales

- Mar 13, 2020: $420,000, 1,793 sq ft, 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