# 25 North Gannon Avenue, Staten Island

Vacant land · Block 711, Lot 51.

On Umarelli: https://umarelli.org/nyc/5007110051/25-north-gannon-avenue

More construction in Castleton Corners: https://umarelli.org/nyc/staten-island/castleton-corners.md

## Building permits

- New Building — Residential, filed Dec 31, 2023, 2 units, 3 stories, described as “Application filed to construct a basement and two (2) story frame semi-detached two (2) family home with three (3) on-site parking spaces”
- Alteration, filed Oct 8, 2024, estimated cost $30K, described as “Install 8.0' high plywood construction fence around perimeter of construction site - this application shall also apply to - 17 north gannon ave lot# 49 # S009818363-I1 / 61 elvin street lot# 57 # S00981869-I1 / 67 elvin street lot# 55…”
- Alteration, filed Sep 3, 2020, estimated cost $3K, described as “Sign removal permit for sign that was installed without a permit and is now gone - in reference to ecb violation numbers #35295303X, 35295304H, 35295305J, and 35295306L - no work permit - inside property lines. No change to use, egress or…”
- Alteration, filed Feb 24, 2020, estimated cost $5K, described as “Application filed to erect an 8.0 foot high chain link construction fence around perimeter of property. APPLICATION SHALL ALSO APPLY TO Lot: 49 Address: 17 North Gannon Ave, Lot: 55 Address: 67 Elvin St, Lot: 57 Address: 61 Elvin St.”

## Property taxes

- Assessment: $21,420
- 2026–27 tax: $1,776
- Market value (city estimate): $357,000
- Taxable value: $8,952
- Assessed land: $21,420

## Zoning

R3-1: floor area ratio 0.00 built, 0.75 allowed by base zoning.

## Recent sales

- Nov 25, 2025: $100,000, sold with other lots
- Dec 10, 2019: $500,000, sold with other lots

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

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

## Board and land use applications

- Variance or special permit (Board of Standards and Appeals 2017-328-BZ): Variance or special permit, Withdrawn, filed Dec 28, 2017, decided Apr 24, 2019. Variance (§72-21) to permit the construction of a two-family attached home contrary ZR §22-12 (contrary to use regulations) and ZR §25-622 (parking within the prolongation of a front building wall line. The proposal is part a series to…
- Variance or special permit (Board of Standards and Appeals 2017-327-BZ): Variance or special permit, Withdrawn, filed Dec 28, 2017, decided Apr 24, 2019. Variance (§72-21) to permit the construction of a two-family attached home contrary ZR §22-12 (contrary to use regulations) and ZR §25-622 (parking within the prolongation of a front building wall line. The proposal is part a series to…

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