Building Biography

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5102 Avenue U

1,171Records
13City systems
0Open violations
—Penalty rate

1,171 recorded events, 1971–2026, from 13 city data systems. The city's paper trail here is mostly 377 DOB job filings, 267 DOB violations, 179 DOB permits.

BoroughBrooklyn 11234
Built1970
Floors5
Res. units0
ClassG1
Owner (PLUTO)ALEXANDER'S INC
BBL3084700050
BIN3238574

Full record, year by year   Support this site

Patterns

No heat or hot-water complaints in the last three years.

No bedbug-infested units reported in the last three years of filings.

$7,500 in enforcement penalties imposed (ECB/OATH) in the last three years.

What 311 hears from this address

29 service requests in the last three years. Most common: Elevator (14) · Consumer Complaint (3) · Noise (2) · Illegal Parking (2) · Illegal Dumping (1) · For Hire Vehicle Complaint (1).

Filed construction activity

$1,415,755 in permitted construction work filed since 2016 (45 filings with a declared cost) — a rough measure of how actively the owner maintains the building. Permit costs cover filed construction work only — they do not capture routine maintenance or repairs done without a permit.

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$45,185,000 $20,333,250
2026$46,238,000 $20,807,100
2027$46,819,000 $21,068,550

The city's market estimate has risen 4% between tax years 2025 and 2027.

Tax exemptions on the roll: SMALL BUSINESS SERVICE

Building systems

Heating fuelNO2FUEL

Restaurants in this building

RestaurantCuisineGradeNotes
MegumiChineseAMice evidence

Report to 311: Food poisoning · Food safety complaint

1 restaurant · 1 with mice evidence · See them on the Mice Map

1 Food Establishment complaint to 311 at this address in the last three years (most often: Food Contaminated) · complaints filed by the public; DOHMH investigates, outcomes aren't published.

Flood exposure

In the FEMA 1%-annual-chance floodplain (2015 preliminary flood maps) — lenders typically require flood insurance here.

Hurricane evacuation zone 1 of 6 — zone 1 evacuates first.

Not in the city's stormwater (cloudburst) flood maps under any modeled scenario.

No street-flooding or sewer-backup complaints on record at this address.

Sources: FEMA flood maps (coastal), NYC DEP Stormwater Flood Maps (cloudburst), NYC hurricane evacuation zones, and 311 records for this address.

Getting around

BusNearest boarding stop: Flatbush Av / Kings Plaza — B9 · 200 ft
School zones (2024–25 map)Elementary: P.S. 207 Elizabeth G. Leary
Middle: J.H.S. 078 Roy H. Mann. Confirm with the DOE's school search.

Distances are straight-line, not walking routes. Transit locations from the MTA and Citi Bike, bike facilities from NYC DOT, school zones from the DOE's 2024–25 maps.

Report a problem to 311

5102 Avenue U

Rats or miceRats or mice
Food poisoningFood poisoning
Food safety complaintFood safety complaint
Anything elseAnything else

29 311 service requests from this address in the last three years.

311 will ask for the address, the apartment if the problem is inside, and what's wrong. Contact details are optional for most complaints; food-poisoning reports can be anonymous. Complaints appear in the city's public 311 data, usually within a day or two, and then in the Live from 311 box on this page.

Sales, deeds & mortgages

Most recent mortgage recorded against this lot: $59,576,904 on 2019-12-11 (lender: JPMorgan Chase Bank, National Association and Societe Generale Financial Corporation), covering 4 lots — the amount covers all of them. Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.

DateRecordAmountPer res. unit
2019-12-11Agreement $487,000,000 — from BROOKLYN KINGS PLAZA LLC; KINGS PLAZA ENERGY LLC; KINGS PLAZA GROUND LEASE LLC to JPMORGAN CHASE BANK, NATIONAL ASSOCIATIO; SOCIETE GENERALE FINANCIAL CORPORATION; WELLS $487,000,000
2019-12-11Mortgage $59,576,904 — from KINGS PLAZA GROUND LEASE LLC; KINGS PLAZA ENERGY LLC; BROOKLYN KINGS PLAZA LLC to JPMORGAN CHASE BANK, NATIONAL ASSOCIATIO; SOCIETE GENERALE FINANCIAL CORPORATION; WELLS FA $59,576,904
2012-12-07RPTT&RET $25,631,000 — from ALEXANDER'S INC to BROOKLYN KINGS PLAZA LLC $25,631,000
2012-12-07AL&R $500,000,000 — from BROOKLYN KINGS PLAZA LLC; KINGS PLAZA GROUND LEASE LLC to GOLDMAN SACHS BANK USA $500,000,000
2012-12-07M&CON $500,000,000 — from KINGS PLAZA GROUND LEASE LLC; BROOKLYN KINGS PLAZA LLC; KINGS PLAZA ENERGY LLC to GOLDMAN SACHS BANK USA $500,000,000
2011-06-20Agreement $250,000,000 — from ALEXANDER'S OF KINGS, LLC; ALEXANDER'S KINGS PLAZA, LLC; KINGS PARKING, LLC to WELLS FARGO BANK, NATIONAL ASSOCIATION $250,000,000
2011-06-20Mortgage $61,402,986 — from ALEXANDER'S KINGS PLAZA, LLC; KINGS PARKING, LLC; ALEXANDER'S OF KINGS, LLC to WELLS FARGO BANK, NATIONAL ASSOCIATION $61,402,986
2011-06-20AL&R $250,000,000 — from KINGS PARKING, LLC; ALEXANDER'S OF KINGS, LLC; ALEXANDER'S KINGS PLAZA, LLC to WELLS FARGO BANK, NATIONAL ASSOCIATION $250,000,000
2002-07-09Mortgage $2,999,999 — from RKO CENTURY WARNER THEATRES INC to BANKERS TRUST COMPANY $2,999,999
2001-06-05Mortgage $107,790,408 — from ALEXANDER'S KINGS PLAZA LLC; ALEXANDER'S OF KINGSLLC; KINGS PARKING LLC to MORGAN GUARANTY TRUST COMPANY OF NEW YOR $107,790,408
1999-09-17Mortgage $19,567,800 — from KINGS PLAZA CORP; ALEXANDER'S KINGS PLAZA CENTER INC; ALEXANDER'S DEPARTMENT STORES OF BRO to UBS AG, STRAMFORD BRANCH $19,567,800
1999-09-17Mortgage $10,432,200 — from KINGS PLAZA CORP; ALEXANDER'S DEPARTMENT STORES OF BROOKLY; ALEXANDER'S KINGS PLAZA CENTER to UBS AG, STAMFORD BRANCH $10,432,200
1998-07-31Mortgage $90,000,000 — from ALEXANDER'S KING PLAZA CENTER,INC; KINGS PLAZA CORP.; ALEXANDER'S DEPT. STORES OF BKLYN,IN to UNION BANK OF SWITZERLAND $90,000,000
1998-07-31Mortgage $50,883,837 — from ALEXANDER'S DEPT. STORES OF BKLYN,INC; ALEXANDER'S KINGS PLAZA CENTER,INC to UNION BANK OF SWITZERLAND $50,883,837
1986-11-14Mortgage $3,202,177 — from MACYS'S NEW YORK INC; W.P. PROP. CP.; WHITE PLAINS PROP. CP; COLONIE PROPERTIES CP; MACY N to PRUDENTIAL INSUR CO/AMER $3,202,177

Ten-year activity

100500
63
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
ConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systems
Show as table
YearConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systemsTotal
2017321975063
2018633100049
201941695640
202001772127
202141991134
2022010100323
20230142310
20240190111
202500130720
20269360018
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The full timeline

Construction 557Enforcement 396Housing & tenants 128Ownership & money 68Health & systems 22

Every one of the 1,171 recorded events, 1971–2026, is laid out year by year in the full report (print-ready).

Explore: ZIP 11234 · Landlord rankings · How grades work · The map · The Mice Map