# 306 Columbia Ave, Jersey City

Two-family · built c. 1915 · Block 303, Lot 21.

On Umarelli: https://umarelli.org/jersey-city/303/21/306-columbia-ave

More construction in Western Slope: https://umarelli.org/jersey-city/heights/western-slope.md

Every lot on block 303: https://umarelli.org/jersey-city/303.md

## Building permits

- Alteration, issued Jul 9, 2020, described as “1 water heater ( 2ND fl. )”
- Alteration, issued Jul 17, 2006, described as “Water heater”
- Alteration, issued May 29, 2003, described as “Replace Existing Siding, Wood, Insulation On Front Of House.”

## Property taxes

- Assessment: $443,500
- 2025 tax: $10,356
- Assessed land: $190,000
- Assessed improvements: $253,500
- Last sale: $183,000 in 2001

## Zoning

R-1 (Neighborhood Housing).

## Recent sales

- Oct 1, 2025: $600,000, 1,800 sq ft ($333 per sq ft)

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