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Interior renovation: Alterations of altschul consisting of renovations and…, est. $182M

46 Claremont Avenue, Manhattan 10001 · Approved

Job	M00898377 (3 filings: A5, A3, A6) · Alteration CO
Category	interior renovation
Estimated cost	$181,529,926
Scale	14 → 14 stories; 167,256 sq ft
Work types	General Construction
Filed	Mar 19, 2026
Professional	Perkins&Will Architects, Pc
Building	BIN 1079205 · BBL 1019890001
Official record	DOB NOW job M00898377

DOB description

M00898377-A5: Alterations of Altschul consisting of renovations and additions as per plans and supporting documentation filed herein in conjunction with MPP-0000043
M00898377-A3: Alteration to existing HVAC systems and equipment including modifications to piping, control devices, and full distribution of ductwork; and installation of new HVAC cooling and heating equipment and associated piping, controls, ductwork.
M00898377-A6: Alteration to existing HVAC systems and equipment including modifications to piping, control devices, and full distribution of ductwork; and installation of new HVAC cooling and heating equipment and associated piping, controls, ductwork.

Status timeline

Jan 21, 2026 — New job filed (Approved) M00898377-A3
Feb 24, 2026 — Plans approved (Approved) M00898377-A3
Mar 19, 2026 — New job filed (Approved) M00898377-A5
May 18, 2026 — New job filed (Approved) M00898377-A6
May 19, 2026 — Plans approved (Approved) M00898377-A5
Jun 24, 2026 — Plans approved (Approved) M00898377-A6

Work permits

Permit	Work	Status	Issued	Expires
M00898377-S4-MS	Mechanical Systems	Signed-off	Feb 24, 2026	Dec 30, 2026
M00898377-S2-SE	Support of Excavation	Signed-off	Feb 11, 2026	Dec 30, 2026
M00898377-S3-ST	Structural	Signed-off	Jan 6, 2026	Dec 30, 2026
M00898377-I1-GC	General Construction	Permit Issued	Dec 16, 2025	Dec 30, 2026

Map

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