# 21 Williams Ave, Jersey City

Two-family · built c. 1855 · Block 20502, Lot 36.

On Umarelli: https://umarelli.org/jersey-city/20502/36/21-williams-ave

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

Every lot on block 20502: https://umarelli.org/jersey-city/20502.md

## Building permits

- Alteration, issued Feb 27, 2015, described as “Replace 2 boilers”
- Alteration, issued Aug 17, 2005, described as “Take down five steps and replace with new”
- Alteration, issued Sep 18, 2003, described as “Water Heater”

## Property taxes

- Assessment: $285,600
- 2025 tax: $6,669
- Assessed land: $110,000
- Assessed improvements: $175,600
- Last sale: $195,000 in 2001

## 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