401 West 31 Street, Manhattan: 49 building jobs on file

Building Identification Number 1089694 · Chelsea-Hudson Yards. Newest first.

Mechanical/plumbing work: Mechanical works as shown on plans filed herewith.…, est. $90K

Prof Cert QA Review · filed Oct 15, 2026 · est. $89,500

Mechanical/plumbing work: Sprinkler works as shown on plans filed herewith.…, est. $22K

Prof Cert QA Review · filed Oct 15, 2026 · est. $21,500

Interior renovation: General construction works as shown on plans filed…, est. $50K

Prof Cert QA Review · filed Oct 14, 2026 · est. $50,492

Mechanical/plumbing work: Modifications to existing hvac system & related…, est. $1.2M

Approved · filed Sep 29, 2026 · est. $1,170,132

Interior renovation: Interior construction of existing business class…, est. $9.0M

Approved · filed Sep 29, 2026 · est. $8,981,664

Interior renovation: General construction for elevator bank modifications, as…, est. $78K

Permit Entire · filed Aug 25, 2026 · est. $77,636

Interior renovation: Modifications to existing hvac system and related piping for office…

Permit Entire · filed Aug 10, 2026 · est. not stated

Interior renovation: Modifications to existing plumbing system and related piping for…

Permit Entire · filed Aug 10, 2026 · est. not stated

Interior renovation: Installation of new sprinkler heads and related piping for office…

Approved · filed Aug 10, 2026 · est. not stated

Interior renovation: Interior renovation of partitions, ceilings and doors…, est. $5.2M

Permit Entire · filed Aug 9, 2026 · est. $5,164,952

Full demolition of 60-story building, est. $6.7M

Approved · filed Aug 2, 2026 · est. $6,700,000

Mechanical/plumbing work: Modifications to existing hvac system including…, est. $2.0M

Approved · filed Jul 27, 2026 · est. $2,000,000

Mechanical/plumbing work: Modifications to existing pl system for new tenant…, est. $230K

Approved · filed Jul 27, 2026 · est. $230,000

Mechanical/plumbing work: Modifications to existing sp system and related…, est. $310K

Approved · filed Jul 27, 2026 · est. $310,000

Interior renovation: Steel work / supports for skyfold partition for new office tenant…

Permit Entire · filed Jun 29, 2026 · est. not stated

Full demolition of 60-story building, est. $6.0M

Permit Entire · filed Jun 23, 2026 · est. $5,987,739

Interior renovation: Modifications to existing hvac system & related piping for new…

Permit Entire · filed Jun 23, 2026 · est. not stated

Interior renovation: Modifications to existing plumbing system & related piping for new…

Permit Entire · filed Jun 23, 2026 · est. not stated

Interior renovation: Modifications to existing sprinkler/standpipe system and related…

Permit Entire · filed Jun 23, 2026 · est. not stated

Mechanical/plumbing work: Modifications to existing sprinkler system, est. $200K

Approved · filed May 4, 2026 · est. $200,000

Mechanical/plumbing work: Plumbing work as shown on plans filed herewith.

Permit Entire · filed Apr 22, 2026 · est. not stated

Mechanical/plumbing work: Mechanical work as shown on plans filed herewith.

Permit Entire · filed Apr 21, 2026 · est. not stated

Mechanical/plumbing work: Sprinkler work as shown on plans filed herewith.

Permit Entire · filed Apr 21, 2026 · est. not stated

Interior renovation: General construction as shown on plans filed herewith.…, est. $1.3M

Permit Entire · filed Apr 20, 2026 · est. $1,280,000

Mechanical/plumbing work: Modifications to existing sp system and related…, est. $622K

Approved · filed Mar 31, 2026 · est. $621,681

Mechanical/plumbing work: Mechanical work as shown on plans filed herewith., est. $465K

Permit Entire · filed Mar 27, 2026 · est. $465,000

Mechanical/plumbing work: Plumbing work as shown as plans filed herewith., est. $50K

Permit Entire · filed Mar 27, 2026 · est. $50,000

Mechanical/plumbing work: Sprinkler work as shown on plans filed herewith., est. $120K

Permit Entire · filed Mar 27, 2026 · est. $120,000

Mechanical/plumbing work: Standpipe work as shown on plans filed herewith., est. $20K

Permit Entire · filed Mar 27, 2026 · est. $20,000

Interior renovation: General construction works as shown on plans filed…, est. $3.5M

Permit Entire · filed Mar 26, 2026 · est. $3,500,000

Mechanical/plumbing work: Plumbing work as shown on plans, est. $120K

Approved · filed Mar 24, 2026 · est. $120,000

Interior renovation: Installation of new plumbing fixtures & related for new…, est. $129K

Permit Entire · filed Mar 18, 2026 · est. $129,295

Interior renovation: Interior construction of existing business class…, est. $9.0M

Permit Entire · filed Mar 17, 2026 · est. $8,981,664

Mechanical/plumbing work: Modifications to existing hvac system & related…, est. $1.2M

Permit Entire · filed Mar 17, 2026 · est. $1,170,132

Mechanical/plumbing work: Installation of new sprinkler heads and related…, est. $409K

Permit Entire · filed Mar 17, 2026 · est. $409,355

Mechanical/plumbing work: Modifications to existing hvac unit and related…, est. $225K

Approved · filed Mar 4, 2026 · est. $225,000

Mechanical/plumbing work: Mechanical works as shown on plans filed herewith.…, est. $90K

LOC Issued · filed Mar 3, 2026 · est. $90,000

Interior renovation: General construction works as shown on plans filed…, est. $520K

Permit Entire · filed Mar 2, 2026 · est. $520,000

Interior renovation: Modifications to existing hvac system equipment and…, est. $174K

Permit Entire · filed Jan 21, 2026 · est. $173,995

Full demolition of 60-story building, est. $6.7M

LOC Issued · filed Dec 18, 2025 · est. $6,700,000

Mechanical/plumbing work: Modifications to existing hvac system including…, est. $2.0M

LOC Issued · filed Dec 18, 2025 · est. $2,000,000

Mechanical/plumbing work: Modifications to existing pl system for new tenant…, est. $230K

LOC Issued · filed Dec 18, 2025 · est. $230,000

Mechanical/plumbing work: Modifications to existing sp system and related…, est. $310K

LOC Issued · filed Dec 18, 2025 · est. $310,000

Mechanical/plumbing work: Installation of new fhv cabinets as shown on plans.…, est. $40K

LOC Issued · filed Dec 18, 2025 · est. $40,000

Mechanical/plumbing work: Modifications to existing sp system as shown on…, est. $106K

Permit Entire · filed Dec 16, 2025 · est. $106,100

Mechanical/plumbing work: Modifications to existing hvac unit and related…, est. $225K

Approved · filed Nov 24, 2025 · est. $225,000

Mechanical/plumbing work: Modifications to existing plumbing system and…, est. $5K

Approved · filed Nov 24, 2025 · est. $5,000

Mechanical/plumbing work: Modifications to existing sprinkler system and…, est. $19K

Approved · filed Nov 24, 2025 · est. $19,000

Interior renovation: Interior construction of existing b (office) occupancy…, est. $656K

Approved · filed Nov 5, 2025 · est. $655,500

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