NY Property Records

21 Alter Avenue
Staten Island · Richmond County · 10304

01 · 1–2 Family
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Owner of record
OwnerJohn Colon
Assessment · 2025 roll
Land assessed$23,100
Total assessed$49,800
Est. annual tax$8,924 (2027, excl. special districts)
Building
StyleTwo Story Detatched (Small or Moderate Size, With or Without Attic)
Year built1915
Living area1,896 sq ft
Lot
Size0.25 acres (GIS)
Frontage × depth107 × 100 ft
Lot sq ft10,700
Zoning
DistrictR3X
FAR0.18 built · 0.75 max residential · 1.0 max facility
Zoning map27a
Recorded documents · 3
NYC REAL PROPERTY TRANSFER TAX Feb 4, 2026
grantor/seller Colon, John; Colon, Linda
grantee/buyer Domenica Colon, As Co-Trustee; Jessica Colon, As Co-Trustee +1
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NYC REAL PROPERTY TRANSFER TAX $1,164,000 Oct 18, 2017
grantor/seller Cochran, Matthew
grantee/buyer Colon, John; Colon, Linda
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NYC REAL PROPERTY TRANSFER TAX $450,000 Sep 11, 2007
grantor/seller Cochran, Joseph E; Cochran, Judith Ann
grantee/buyer Cochran, Matthew
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DOB complaints — total 1 · open 0 · closed 1
Permit – none (building/PA/demolition) Closed Apr 22, 2015
Complaint 5115115
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No DOB violations or HPD violations on file.
Deed & identifiers
SBL5032980048
SWIS640100
Parcel ID6401005032980048

Who owns 21 Alter Avenue?

21 Alter Avenue, Staten Island is owned by John Colon per the 2025 NYS assessment roll.
Nearby on Alter Avenue
20 Alter Avenue · 17 Alter Avenue · 26 Alter Avenue · 30 Alter Avenue · 33 Alter Avenue · 36 Alter Avenue · 40 Alter Avenue · 41 Alter Avenue · Alter Avenue · Alter 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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