# 321 Liberty Avenue, Staten Island

Two-family · built 2022 · Block 3380, Lot 40.

On Umarelli: https://umarelli.org/nyc/5033800040/311-liberty-avenue

More construction in Midland Beach: https://umarelli.org/nyc/staten-island/midland-beach.md

## Building permits

- New Building — Residential, filed Oct 10, 2025, 2 units, 3 stories, described as “Two family semi-detached residence.”
- New Building — Residential, filed May 19, 2022, estimated cost $300K, 2 units, 3 stories, described as “Application is filed a new 2-story, 2-family, semi-detached residence as well as to obtain new certificate of occupancy for each residence. All work as per plans submitted herewith.”
- Alteration, filed Jan 19, 2024, estimated cost $10K, described as “Renovate 1ST floor to propose new exterior door and cosmetic work as per plan. No change to use, egress or occupancy.”
- Alteration, filed Jul 21, 2022, estimated cost $45K, described as “Application is filed for plumbing work only in conjunction with new building filed under document #S00728227-I1”
- Alteration, filed Apr 12, 2022, estimated cost $5K, described as “Application filled for the instalation of a new 9'-0'' curb cut along liberty avenue, a distance of 36'-4'' from simpson street. No change to use, egress or occupancy ander this application.”
- Alteration, filed Apr 12, 2022, estimated cost $5K, described as “Application filled for the instalation of a new 18'-0'' curb cut along simpson street, a distance of 90'-5'' from liberty avenue. No change to use, egress or occupancy ander this application.”
- Alteration, filed Feb 24, 2022, estimated cost $5K, described as “Filed for the installation of 8.0' high temporary construction fence filed in conjunction with demolition of existing 2-1/2 story frame building & future new development. All work as per plans submitted herewith. Filing includes 323…”

## Property taxes

- Assessment: $77,580
- 2026–27 tax: $14,613
- Market value (city estimate): $1,293,000
- Taxable value: $73,645
- Assessed land: $9,660
- Assessed improvements: $67,920

## Zoning

R3-1: floor area ratio 0.60 built, 0.75 allowed by base zoning.

## Recent sales

- Oct 17, 2023: $1,265,685

Open-market sales since 2016, from the Department of Finance’s sales files.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard. FEMA’s preliminary map: zone AE, high risk: a 1% chance of flooding each year, base flood elevation 12 ft (NAVD88).

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