# 21-23 Warner Ave, Jersey City

Single family · built c. 1905 · Block 27201, Lot 14.

On Umarelli: https://umarelli.org/jersey-city/27201/14/21-23-warner-ave

More construction in Jackson Hill (Greenville): https://umarelli.org/jersey-city/greenville/jackson-hill.md

Every lot on block 27201: https://umarelli.org/jersey-city/27201.md

## Building permits

- Alteration, issued Jul 11, 2025, estimated cost $17K, described as “Roof Mounted Solar”
- Alteration, issued Oct 22, 2015, described as “Remove all existing layers singles front porch only”
- Alteration, issued Nov 14, 2014, described as “Replace flooring boards and rebuild railing/steps. Use existing footing.”

## Property taxes

- Assessment: $356,800
- 2025 tax: $7,831
- Assessed land: $115,000
- Assessed improvements: $241,800

## Zoning

RH-1 (Residential Housing 1).

## 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