× Home › Property records › Richmond County › Staten Island › Alter Avenue › 434 Alter Avenue434 Alter AvenueStaten Island · Richmond County · 10305 01 · 1–2 Family OpenValue $1,186,142 ▾
Owner of record
Owner Koshy, Mary
Assessment · 2025 roll
Land assessed $9,300
Total assessed $42,780
Est. annual tax $5,449 (2027, excl. special districts)
Building
Style Attached or Semi-Detatched
Year built 1965
Living area 1,400 sq ft
Lot
Size 0.09 acres (GIS)
Frontage × depth 38 × 96 ft
Lot sq ft 3,648
Zoning
District R3-1
FAR 0.38 built · 0.75 max residential · 1.0 max facility
Zoning map 27c
Recorded documents · 1
NYC REAL PROPERTY TRANSFER TAX
Feb 13, 2014
grantor/seller Koshy, Annamma
grantee/buyer Koshy, Mary; Koshy, Sunita E
View on ACRIS ↗
No DOB violations, HPD violations, or complaints on file.
Deed & identifiers
SBL 5033770053
SWIS 640100
Parcel ID 6401005033770053
Who owns 434 Alter Avenue? 434 Alter Avenue, Staten Island is owned by Koshy, Mary per the 2025 NYS assessment roll.
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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.
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