NY Property Records
91 W 21st St
91 W 21st St
Babylon · Suffolk County
210 · Residential
Owner of record
OwnerCostello, Arthur
Mailing address91 W 21ST ST · DEER PARK, NY, 11729
Assessment · 2025 roll
Land assessed$240
Total assessed$3,210
Est. annual tax$9,894 (2024, excl. special districts)
Lot
Size0.14 acres (GIS)
Services & districts
School districtDeer Park (472007)
Deed & identifiers
SBL05900000010430000000
Print key59.-1-43
SWIS472089
Parcel ID47208905900000010430000000
Who owns 91 W 21st St?
91 W 21st St, Babylon is owned by Costello, Arthur per the 2025 NYS assessment roll.
Nearby on W 21st St
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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