690 Castleton Avenue, Staten Island

A 1975 office building on Castleton Avenue with 20 open violations on record across city enforcement files.

690 Castleton Avenue is an office building in Staten Island, New York City (BBL 5001340053). The property is zoned R3X, on a 10,286 sq ft lot, with 4 floors and 16 residential units. It was built in 1975. The lot is not inside a FEMA Special Flood Hazard Area. NYC municipal records show 20 open building violations for this lot as of 2026-07-05.

Property facts

BBL	5001340053
Borough	Staten Island — Community District 1
Neighborhood	West New Brighton-Silver Lake-Grymes Hill
Zoning district	R3X
Building class	O8 — office building (what’s a building class?)
Land use	04 — Mixed residential & commercial buildings
Lot area	10,286 sq ft
Floors	4
Residential units	16
Year built	1975
FAR	1.93 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
19 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.