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Condo, residential unit in 2-10 unit building
Riverrun Condominium
421 EAST 50 STREET · BIN 1040121
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1902Year Built
5Stories
R1Building Class
R8BZoning
3,883 sfGross Floor Area
10Units
Rent Stabilized16 Open Violations ▸FDNY Report ↗
Condo, residential unit in 2-10 unit building · Owner of record: RIVERRUN CONDOMINIUM · 2,008 sf lot · 1.93 FAR built · Flood zone X
Locations of Work
No floor-level scope or drawing coverage on file for this building.
▾Owner History (Filing Record)
Companies and organizations named on filings. Individual owners are not shown.
OwnerFilingsMost Recent
RELIABLE ENTERPRISES503/22/2026
MARBROSE REALTY103/22/2026
RIVERRUN CONDOMINIUM603/21/2026
▾Design Consultants (Architect / Engineer of Record)
FirmFilingsMost Recent
ENTHINK ENGINEERS LLC108/27/2020
▾Contractors (License-Anchored)
FirmTradeRolesMost Recent
RELIABLE ENTERPRISES INCGeneral Contractor303/21/2026
LUIGI COICOElectrical103/21/2026
Nothing on file for this building.
Nothing on file for this building.
Nothing on file for this building.
Nothing on file for this building.
Nothing on file for this building.