800 Castleton Avenue, Staten Island

An office building on a 25,566 sq ft Staten Island lot on Castleton Avenue, zoned R3X, built in 1997.

800 Castleton Avenue is an office building in Staten Island, New York City (BBL 5001530001). The property is zoned R3X, on a 25,566 sq ft lot, with 2 floors and 1 residential units. It was built in 1997. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 1 open building violation for this lot as of 2026-07-05.

Property facts

BBL	5001530001
Borough	Staten Island — Community District 1
Neighborhood	West New Brighton-Silver Lake-Grymes Hill
ZIP code	10310
Zoning district	R3X
Building class	O7 — office building (what’s a building class?)
Land use	05 — Commercial & office buildings
Lot area	25,566 sq ft
Floors	2
Residential units	1
Year built	1997
FAR	0.78 built · 0.75 max residential · 0 max commercial Learn: What is FAR?
Flood zone	Not in a FEMA Special Flood Hazard Area

Public records

1 open Department of Buildings violation
0 open ECB (OATH) violations
0 open Housing Preservation & Development violations

Violation counts as of 2026-07-05.

Absence of a record means none on file in NYC municipal records — not a certification of compliance.

The complete dossier also covers:

Buildable floor area (residential & commercial)
Recorded ownership & last sale
Recorded mortgages & open debt stack
LL97 carbon exposure by compliance period
Flood coverage percentage & base flood elevation
Climate projections for this lot
Open permits & construction pipeline
Distress signal convergence
Air rights & transferable development rights
Comparable sales (Pro)

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Data: NYC municipal records (Departments of City Planning, Buildings, Finance) and FEMA. See our sources and methodology. Data as of 2026-07-11.