NY Property Records
518 81 Street
518 81 Street
Brooklyn · Kings County · 11209
01 · 1–2 FamilySold $1,550,000 · Jan 2026 ↗
Owner of record
OwnerK Gundersen Ux
Assessment · 2025 roll
Land assessed$23,100
Total assessed$82,680
Est. annual tax$12,435 (2027, excl. special districts)
Building
StyleBrick
Year built1930
Living area2,336 sq ft
Lot
Size0.07 acres (GIS)
Frontage × depth28 × 100 ft
Lot sq ft2,833
Zoning
DistrictR4-1, R6B (split lot)
Commercial overlayC1-3
Special districtBR
FAR0.82 built · 1.0 max residential · 2.0 max facility
Zoning map22b
Recorded documents · 12
MORTGAGE
$1,000,000
Jan 29, 2026
mortgagor/borrower Bk 17 Realty LLC
mortgagee/lender Bank Of Hope; Mers
View on ACRIS ↗
DEED
$1,550,000
Jan 29, 2026
grantor/seller Estate Of Margaret Gundersen; Estate Of Margaret L. Gundersen +1
grantee/buyer Bk 17 Realty LLC
View on ACRIS ↗Show all 12
SATISFACTION OF MORTGAGE
Dec 20, 2012
mortgager/borrower Gundersen, Kenneth; Gundersen, Margaret
mortgagee/lender Commerce Bank, N.A.
View on ACRIS ↗
SATISFACTION OF MORTGAGE
Mar 1, 2007
mortgager/borrower Gundersen, Kenneth; Gundersen, Margaret
mortgagee/lender Jpmorgan Chase Bank
View on ACRIS ↗
MORTGAGE
$25,000
Feb 28, 2007
mortgagor/borrower Gundersen, Kenneth; Gundersen, Margaret
mortgagee/lender Commerce Bank, N.A
View on ACRIS ↗
SATISFACTION OF MORTGAGE
Mar 24, 2004
mortgager/borrower Gundersen, Kenneth; Gundersen, Margaret
mortgagee/lender The Dime Savings Bank Of New York, Fsb
View on ACRIS ↗
MORTGAGE
$85,000
Sep 24, 2003
mortgagor/borrower Gundersen, Kenneth; Gundersen, Margaret
mortgagee/lender Jpmorgan Chase Bank
View on ACRIS ↗
SATISFACTION OF MORTGAGE
Dec 27, 2002
mortgager/borrower Gundersen, Kenneth; Gundersen, Margaret
mortgagee/lender Chemical Bank
View on ACRIS ↗
MORTGAGE
$120,000
Oct 29, 2001
mortgagor/borrower Gundersen, Kenneth; Gundersen, Margaret
mortgagee/lender Dime Savings Bank Ofnew York Fsb
View on ACRIS ↗
SATISFACTION OF MORTGAGE
Aug 30, 2001
mortgager/borrower Gundersen, Kenneth; Gundersen, Margaret
mortgagee/lender Bay Ridge Federal Savings Adn Loan Association; Bay Ridge Savings And Loan Association
View on ACRIS ↗
MORTGAGE
$30,000
Nov 16, 1993
mortgagor/borrower Gundersen, Kenneth; Gundersen, Margaret
mortgagee/lender Chemical Bank
View on ACRIS ↗No DOB violations, HPD violations, or complaints on file.
Deed & identifiers
SBL3059990013
SWIS610100
Parcel ID6101003059990013
Who owns 518 81 Street?
518 81 Street, Brooklyn is owned by K Gundersen Ux per the 2025 NYS assessment roll. It last sold for $1,550,000 in Jan 2026.
Nearby on 81 Street
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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