46 West 21 Street
Flatiron District, Manhattan
Parcel ID (BBL): 1008220066
Owner: Superior Management
Debt: September 15, 2022, $5 million
Built: 1860
Renovated: 1992
SF: 9,499
Dwelling units: 4
No. of buildings: 1
Class: Primarily Four Family With Store or Office (S4)
Floors: 5
HPD Ownership Registration Information
Last registered: 2025-09-10 (expires 2026-09-01)
Jonathan Nagin
Head Officer
50 BANK STREET OFFICE New York, NY, 10014
Redleaf Capital Llc
Corporate Owner
50 BANK STREET OFFICE New York, NY, 10014
Ny Superior Management Llc
Agent
50 BANK STREET OFFICE New York, NY, 10014
Jonathan Nagin
Shareholder
50 BANK STREET OFFICE New York, NY, 10014
Transactions:
• Superior Management borrowed $5 million from First Republic Bank for 46 West 21st Street, Flatiron District, Manhattan on September 15, 2022.
Development:
• Harpreet Singh filed plans for alteration in Flatiron District, Manhattan, on April 25, 2019.
• Jonathan Nagin filed plans for alteration in Flatiron District, Manhattan, on August 12, 2019.
• William Knight filed plans for alteration in Flatiron District, Manhattan, on February 26, 2019.
• Jonathan Nagin filed plans for alteration in Flatiron District, Manhattan, on August 19, 2020.
• Jonathan Nagin filed plans for alteration in Flatiron District, Manhattan, on November 06, 2019.
Condominium:
• Jonathan Nagin filed plans CD190129 on April 19, 2019 for 5-unit condominium called Fox Lofts Condominium at 46 West 21st Street.
Violations:
According to city public data, the properties have received $100 in OATH penalties in the last year.