NY Property Records

644 51 Street
Brooklyn · Kings County · 11220

01 · 1–2 FamilySold $488,500 · Aug 2003 ↗
Owner of record
OwnerSi, Jason
Assessment · 2025 roll
Land assessed$25,080
Total assessed$106,740
Est. annual tax$6,736 (2027, excl. special districts)
Building
StyleMiscellaneous (City Type, Old, etc.)
Year built1905
Living area2,128 sq ft
Lot
Size0.05 acres (GIS)
Frontage × depth20 × 100 ft
Lot sq ft2,003
Zoning
DistrictR6B
FAR1.06 built · 2.0 max residential · 2.0 max facility
Zoning map22a
Recorded documents · 5
SATISFACTION OF MORTGAGE Dec 18, 2018
mortgager/borrower Si, Kuong On; Wong, Mei Chao
mortgagee/lender Abacus Federal Savings Bank
View on ACRIS ↗
DEED Feb 28, 2017
grantor/seller Si, Kuong On; Wong, Mei Chao
grantee/buyer Si, Jason
View on ACRIS ↗
MORTGAGE $299,000 Sep 26, 2003
mortgagor/borrower Si, Kuong On; Wong, Mei Chao
mortgagee/lender Abacus Federal Savings Bank
View on ACRIS ↗
Show all 5
DEED $488,500 Sep 26, 2003
grantor/seller Carlisle, Diana; Witkowski, Helen A
grantee/buyer Si, Kuong On; Wong, Mei Chao
View on ACRIS ↗
MORTGAGE Mar 10, 1981
mortgagor/borrower Crias Adriano Jose; Crias Maria +6
mortgagee/lender Anchor Savings Bank; Anchor Savs Bank
View on ACRIS ↗
DOB complaints — total 2 · open 1 · closed 1
Illegal commercial/manufacturing use in residence Active Jul 19, 2026
Complaint 3A71982
View on BIS ↗
Illegal hotel rooms in residential building Closed Oct 18, 2023
Complaint 3931538
View on BIS ↗
No DOB violations or HPD violations on file.
Deed & identifiers
SBL3008010024
SWIS610100
Parcel ID6101003008010024

Who owns 644 51 Street?

644 51 Street, Brooklyn is owned by Si, Jason per the 2025 NYS assessment roll. It last sold for $488,500 in Aug 2003.
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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