100 William Street
New York, NY 10038 Issued Jun 23, 2026 Multi-family building
This permit is one piece of a 3-permit project.View the main permit
Declared value
$100M$100,266,010, whole project
Size
422,816sqftThis permit only
Floors
24
Units
427
Scope of work
Conversion from office (b) occupancy to residential (r-2) occupancy pursuant to article i, chapter v of the NYC zoning resolution and article 7B of the nys multiple dwelling law for residential conversion.
Permit timeline
- AppliedMar 3, 2026112 days in review
- IssuedJun 23, 20263mo ago
- ExpiresDec 13, 2026in 60 days
Details
- Project type
- Multi-family building
- Work class
- General construction
- Sector
- Residential
- Permit type
- Major alteration
- Council district
- 1
- ZIP code
- 10038
- Status
- Issued
- Permit no.
- M01363617-I1-GC
All permits in this project 3
Remodel
100 William StreetProposed interior demolition of existing non-structural interior partitions of existing office building.
5mo ago · 100,000 sqft
MAIN PERMIT
Remodel
100 William StreetConversion from office (b) occupancy to residential (r-2) occupancy pursuant to article i, chapter v of the NYC zoning resolution and article 7B of the nys multiple dwelling law for residential conversion.
3mo ago · 422,816 sqft
THIS PERMIT
Remodel
100 William StreetRemoval and disposal of existing windows at floor 3-21; alterations propose.
4mo ago · 32,770 sqft