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5102 AVENUE U

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5102 Avenue U

BBL 3084700050
Marine Park-Mill Basin-Bergen Beach · Brooklyn
Floors
5
Built
1970
Area
114.4ksf
Units
0

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Address

PLUTO · DOF parcel identity
Property address
5102 AVENUE U
Alternate address(es)
2565-2575 Flatbush Ave
Zip code
11234
Neighborhood
Marine Park-Mill Basin-Bergen Beach
Borough
Brooklyn
Block & lot
08470-0050

Zoning & buildable

Lot 257,000 sf · M3-1 / C8-1
Zoning district
M3-1 / C8-1
PLUTO building class
G1

Development headroom detected — the FAR breakdown, max buildable envelope and unused-sf math are in the full report.

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Ownership

PLUTO · owner of record
ALEXANDER'S INC
Ownership form
Other
Last recorded sale
None since 2000

Tenancy & use

PLUTO units + DHCR rent-stabilization roll
0residential unitsnon-stabilized
Residential sq. ft.
0
Commercial sq. ft.
114,400
PLUTO class
G1

Lot

PLUTO · DOF parcel geometry
Lot area
257,000 sf
Dimensions
639.0 × 171.6 ft
Position
Mid-block
D/F ratio
0.3 shallow lot (atypical for NYC)

Financial

NYC Department of Finance · assessment + last recorded sale
Total assessment
$21.0M
Land value
$3.0M
Exempt
$3.0M($18.0M taxable)
$/sf (implied)
$183

Debt history · 3 mortgages on record — lenders, amounts and maturity timing in the full report.

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Compliance

HPD & DOB · violations + complaints + jobs
Minor activity
1 open HPD violation · 0 open HPD complaints · 1 active DOB job
HPD violations (24 months)
0
DOB violations (24 months)
1
HPD complaints (24 months)
0
HPD complaints (open)
0
DOB jobs (24 months)
3
$142K in alteration permits over last 24 months

Provenance

Every datum on this page is sourced from public NYC + federal datasets, refreshed on the schedule below.
SourceWhat it coversLast refresh
PLUTONYC DCP · physical / zoning / ownership baselineJul 9, 2026
ACRISNYC DOF · deed + mortgage historyJul 9, 2026
HPDHousing Preservation & Development · violations + complaintsJul 9, 2026
DOBDepartment of Buildings · violations + permitsJul 9, 2026
DHCRRent Stabilization roll (through 2024)Jul 9, 2026
LPCLandmarks Preservation Commission · landmark statusnot loaded
FootprintNYC DoITT photogrammetric building polygonsnot loaded
Assembled at Jul 9, 2026. Discrepancies between sources reflect upstream-data quality, not assembly bugs — file in our quality tracker.

Data from NYC public records — Department of City Planning (PLUTO), ACRIS, HPD, DOB, DHCR and LPC. Presented for research; verify independently before relying on it.

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