× Home › Property records › Richmond County › Staten Island › Hartford Avenue › 21 Hartford Avenue21 Hartford AvenueStaten Island · Richmond County · 10310 01 · 1–2 Family OpenValue $1,216,100 ▾
Owner of record
Owner Susan A. Denitto, Trustee
Assessment · 2025 roll
Land assessed $12,120
Total assessed $43,500
Est. annual tax $7,039 (2027, excl. special districts)
Building
Style Two Story Detatched (Small or Moderate Size, With or Without Attic)
Year built 1935
Living area 1,442 sq ft
Lot
Size 0.05 acres (GIS)
Frontage × depth 30 × 79 ft
Lot sq ft 2,370
Zoning
District R3X
FAR 0.61 built · 0.75 max residential · 1.0 max facility
Zoning map 21b
Recorded documents · 1
NYC REAL PROPERTY TRANSFER TAX
May 29, 2020
grantor/seller Kiernan, Frederick W; Kiernan, Susan A
grantee/buyer Kiernan Family Irrevocable Residence Trust; Susan A. Denitto, Trustee
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No DOB violations, HPD violations, or complaints on file.
Deed & identifiers
SBL 5002930081
SWIS 640100
Parcel ID 6401005002930081
Who owns 21 Hartford Avenue? 21 Hartford Avenue, Staten Island is owned by Susan A. Denitto, Trustee per the 2025 NYS assessment roll.
Nearby on Hartford Avenue
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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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