NYC Permit AlertsBy BuildPermitGuide

Neighborhoods › Financial District-Battery Park City

100 William Street, Manhattan: 13 building jobs on file

Building Identification Number 1001116 · Financial District-Battery Park City. Newest first.

Interior renovation: Sprinkler & standpipe work in conjunction with…, est. $1.4M
Objections · filed Jun 30, 2026 · est. $1,419,250
Mechanical/plumbing work: Temporary sprinkler system for existing 21…, est. $190K
Permit Entire · filed Jun 2, 2026 · est. $190,000
Interior renovation: Proposed mechanical work in existing office building as…, est. $200K
Permit Entire · filed Apr 26, 2026 · est. $200,000
Mechanical/plumbing work: Proposed replacement in kind of all sp heads. no…, est. $859K
Approved · filed Apr 1, 2026 · est. $858,600
Interior renovation: Sprinkler work conjunction with conversion from office…, est. $288K
Objections · filed Apr 1, 2026 · est. $287,700
Mechanical/plumbing work: Proposed replacement in kind of all plumbing…, est. $60K
Permit Entire · filed Mar 31, 2026 · est. $59,600
Interior renovation: Plumbing work in conjunction with conversion from office…, est. $1K
Approved · filed Mar 26, 2026 · est. $1,000
Interior renovation: Mechanical work in conjunction with conversion from…, est. $1K
Objections · filed Mar 25, 2026 · est. $1,000
Interior renovation: Structural work in conjunction with conversion from…, est. $1K
Approved · filed Mar 17, 2026 · est. $1,000
Full demolition of 21-story building, est. $10M
Approved · filed Mar 9, 2026 · est. $10,000,000
Interior renovation: Conversion from office (b) occupancy to residential…, est. $89M
Permit Entire · filed Mar 2, 2026 · est. $88,791,360
Interior renovation: Removal and disposal of existing windows at floor 3-21…, est. $1.5M
Permit Entire · filed Feb 12, 2026 · est. $1,474,650
Full demolition of 21-story building, est. $10M
Permit Entire · filed Dec 22, 2025 · est. $10,000,000

Watch this building

A watch on this address catches every job filed in the building, whatever the distance.