4 West 21st Street, Manhattan

Co-op · 54 units · built 2005 · Block 822, Lot 45.

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Building permits

Alteration, filed May 16, 2023, estimated cost $275, described as “Install exterior non-illuminated wall sign (removery)”
Alteration, filed Dec 20, 2022, estimated cost $6K, described as “Installation of mechanical units as shown on plans filed herewith.”
Alteration, filed Dec 20, 2022, estimated cost $19K, described as “Installation, replacement and removal of pplumbing fixtures as shown on plans filed herewith.”
Alteration, filed Dec 15, 2022, estimated cost $56K, described as “Interior renovation as shown on plans filed herewith.”
Alteration, filed Aug 2, 2021, estimated cost $192K, described as “Alt2 for minor partitons change aps per plan filed , PL filed under seperated applicaiton , no chnage in use, egress or occupancy”
Alteration, filed Aug 2, 2021, estimated cost $15K, described as “File PL work at apt 3AD in conjunction with OT job M00558420-”

C6-4A: floor area ratio 12.70 built, above the 10.00 base zoning allows, which bonuses, transfers or older rules can permit.

Current FEMA flood map: zone X, minimal flood hazard.

The 10 most recent of 35 open-market sales since 2016, from the Department of Finance’s sales files.

Part of Ladies' Mile Historic District (Historic District). 29 Landmarks Preservation Commission permits are on file.