418 West 21 Street, Manhattan: 52 building jobs on file

Building Identification Number 1083573 · Chelsea-Hudson Yards. Newest first.

Interior renovation: Seabury hall - removal and installation of interior…, est. $4.7M

Approved · filed Aug 31, 2026 · est. $4,693,250

Facade/scaffold work: Sherred hall - modifying the existing wood roof…, est. $882K

Objections · filed Aug 27, 2026 · est. $882,000

Interior renovation: Seabury hall - structural work including steel framing…, est. $2.0M

Approved · filed Aug 27, 2026 · est. $1,986,000

Facade/scaffold work: Installation of a temporary heavy-duty sidewalk shed and…, est. $3K

Permit Entire · filed Jul 1, 2026 · est. $2,500

Facade/scaffold work: Installation of a temporarily supported scaffold per…, est. $3K

Permit Entire · filed Jun 30, 2026 · est. $2,500

New 5-story building, est. $331K

Approved · filed May 4, 2026 · est. $331,000

New 4-story building, est. $80K

Approved · filed Apr 30, 2026 · est. $80,000

Interior renovation: Seabury hall - structural work as described on drawings…, est. $400K

Approved · filed Apr 21, 2026 · est. $400,000

Facade/scaffold work: Installation of a temporary material hoist per plan…, est. $3K

Permit Entire · filed Apr 21, 2026 · est. $3,000

Interior renovation: Installation of temporary support system at existing…, est. $25K

Permit Entire · filed Apr 7, 2026 · est. $25,060

Interior renovation: Seabury hall - removal and installation of interior…, est. $4.7M

Approved · filed Mar 18, 2026 · est. $4,693,250

Interior renovation: Sherred hall - removal and installation of interior…, est. $2.7M

Approved · filed Mar 10, 2026 · est. $2,742,250

Facade/scaffold work: Installation of temporary debris chute as per plan…, est. $3K

Permit Entire · filed Feb 10, 2026 · est. $3,000

Interior renovation: Sherred hall - installation of a self-contained storm…, est. $2.3M

Permit Entire · filed Feb 9, 2026 · est. $2,250,000

Facade/scaffold work: Installation of a temporarily heavy-duty sidewalk shed…, est. $3K

Approved · filed Feb 5, 2026 · est. $2,500

New 5-story building, est. $331K

Permit Entire · filed Jan 28, 2026 · est. $331,000

Mechanical/plumbing work: Dodge hall - the scope of work includes exhausting…, est. $75K

Objections · filed Jan 23, 2026 · est. $75,000

Full demolition of 4-story building, est. $35K

Objections · filed Jan 22, 2026 · est. $35,000

Mechanical/plumbing work: Dodge hall - removal and installation of sprinkler…, est. $30K

Permit Entire · filed Jan 22, 2026 · est. $30,000

Mechanical/plumbing work: Kohne hall - modification of hvac., est. $15K

Permit Entire · filed Jan 22, 2026 · est. $15,000

Mechanical/plumbing work: Kohne hall - modification of plumbing piping., est. $13K

Permit Entire · filed Jan 22, 2026 · est. $12,500

Mechanical/plumbing work: Chapel & sacristy - modification of hvac and…, est. $1.2M

Permit Entire · filed Jan 22, 2026 · est. $1,185,250

Mechanical/plumbing work: Chapel & sacristy - removal and installation of…, est. $20K

Permit Entire · filed Jan 22, 2026 · est. $20,000

Mechanical/plumbing work: Chapel & sacristy - installation of sprinkler heads., est. $44K

Permit Entire · filed Jan 22, 2026 · est. $44,000

Interior renovation: Foundation work scope filed for construction of…, est. $82K

Permit Entire · filed Jan 20, 2026 · est. $82,000

Alteration: Support of excavation work scope filed for construction of new…, est. $15K

LOC Issued · filed Jan 20, 2026 · est. $15,000

Interior renovation: Temporary shoring and bracing work scope filed to…, est. $80K

Approved · filed Jan 20, 2026 · est. $80,000

Facade/scaffold work: Installation of a temporarily supported scaffold per…, est. $3K

Permit Entire · filed Jan 14, 2026 · est. $2,500

Mechanical/plumbing work: Sherred hall - removal and installation of…, est. $2.6M

Permit Entire · filed Jan 13, 2026 · est. $2,642,500

Mechanical/plumbing work: Sherred hall - modification and installtion of…, est. $60K

Permit Entire · filed Jan 13, 2026 · est. $60,000

Mechanical/plumbing work: Sherred hall - existing sprinkler system to be…, est. $138K

Permit Entire · filed Jan 13, 2026 · est. $138,000

Mechanical/plumbing work: Seabury hall - removal and installation of…, est. $5.4M

Permit Entire · filed Jan 13, 2026 · est. $5,423,750

Mechanical/plumbing work: Seabury hall - modification and installtion of…, est. $240K

Permit Entire · filed Jan 13, 2026 · est. $240,000

Mechanical/plumbing work: Seabury hall - modification and installation of…, est. $186K

Permit Entire · filed Jan 13, 2026 · est. $186,000

Interior renovation: Pintard hall -the scope of work includes exhausting the…, est. $579K

Permit Entire · filed Jan 13, 2026 · est. $579,250

Mechanical/plumbing work: Pintard hall - modification and installation of…, est. $35K

Permit Entire · filed Jan 13, 2026 · est. $35,000

Mechanical/plumbing work: Pintard hall - modification and installation of…, est. $20K

Permit Entire · filed Jan 13, 2026 · est. $20,000

Mechanical/plumbing work: Dehon hall - modification to hvac., est. $78K

Objections · filed Jan 13, 2026 · est. $77,500

Mechanical/plumbing work: Dehon hall - removal and installation of plumbing…, est. $55K

Objections · filed Jan 13, 2026 · est. $55,000

Mechanical/plumbing work: Dehon hall - removal and installation of sprinkler…, est. $16K

Objections · filed Jan 13, 2026 · est. $16,000

Facade/scaffold work: Sherred hall - modifying the existing wood roof…, est. $882K

Permit Entire · filed Dec 15, 2025 · est. $882,000

Interior renovation: Seabury hall - structural work including steel framing…, est. $2.0M

Permit Entire · filed Dec 15, 2025 · est. $1,986,000

Interior renovation: Pintard hall - reconfiguring of student lounge…, est. $462K

Permit Entire · filed Dec 15, 2025 · est. $461,750

Interior renovation: Dehon hall - removal and installation of interior…, est. $474K

Objections · filed Dec 15, 2025 · est. $473,500

Interior renovation: Dodge hall - scope includes reconfiguration of storage…, est. $1.8M

Permit Entire · filed Dec 15, 2025 · est. $1,809,750

Interior renovation: Kohne hall - removal and installation of interior…, est. $80K

Permit Entire · filed Dec 15, 2025 · est. $80,000

Interior renovation: Chapel & sacristy- removal and installation of interior…, est. $35K

Permit Entire · filed Dec 15, 2025 · est. $35,000

Facade/scaffold work: Installation of a temporarily heavy-duty sidewalk shed…, est. $3K

Permit Entire · filed Dec 15, 2025 · est. $2,500

Interior renovation: Sherred hall - removal and installation of interior…, est. $2.7M

Permit Entire · filed Dec 3, 2025 · est. $2,742,250

Interior renovation: Seabury hall - removal and installation of interior…, est. $4.7M

Permit Entire · filed Dec 3, 2025 · est. $4,693,250

Interior renovation: Chapel & sacristy - structural work as described on…, est. $600K

Approved · filed Nov 5, 2025 · est. $600,000

Interior renovation: Seabury hall - structural work as described on drawings…, est. $400K

Permit Entire · filed Nov 4, 2025 · est. $400,000

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