NY Property Records
509 Forest Avenue
509 Forest Avenue
Staten Island · Richmond County · 10310
04 · Mixed Res & Commercial
Owner of record
OwnerSiller Thomas
Assessment · 2025 roll
Land assessed$49,950
Total assessed$106,200
Est. annual tax$10,306 (2027, excl. special districts)
Building
StyleWith Residential Apartments
Year built1920
Living area680 sq ft
Lot
Size0.10 acres (GIS)
Frontage × depth47 × 99 ft
Lot sq ft4,447
Zoning
DistrictR3X
Commercial overlayC1-1
FAR0.38 built · 0.75 max residential · 1.0 max facility
Zoning map21a
DOB violations — total 6 · open 6 · dismissed 0
Gas Piping - LL152
Active
Jan 8, 2026
BIS ↗Boiler
Active
Nov 14, 2025
VIOLATION ISSUED-FAILURE TO FILE 2024 EXTERNAL LOW PRESSURE INSPECTION
BIS ↗Boiler
Active
Sep 23, 2024
VIOLATION ISSUED-FAILURE TO FILE 2023 EXTERNAL LOW PRESSURE INSPECTION
BIS ↗No HPD violations or complaints on file.
Deed & identifiers
SBL5001470033
SWIS640100
Parcel ID6401005001470033
Who owns 509 Forest Avenue?
509 Forest Avenue, Staten Island is owned by Siller Thomas per the 2025 NYS assessment roll.
Nearby on Forest Avenue
Public record, NYS tax roll 2025. Values are the assessor's, not an appraisal. Provided for informational purposes only — accuracy and completeness are not warranted or guaranteed; verify against official sources before relying on it. Disclaimer · Request redaction
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