What was permitted
Homeowners and property owners in the Chelsea-Hudson Yards neighborhood of Manhattan can observe foundation work at 142 West 21 Street. This permit is associated with a building conversion and vertical enlargement project.
The estimated cost for this foundation work is $1,000. The permit was issued on September 3, 2026, with TITANIUM CONSTRUCTION SER listed as the general contractor for this phase of the building's expansion.
Plan a similar project
Want work like this done at your place?
Tell us what you have in mind. We scope it, price it against work like this in Manhattan, and lines up the right contractor. You approve; we handle the back-and-forth.