The developer behind 100 Gold Street just told the city it wants to build nearly 4,000 apartments there, not the smaller number originally on the table. That is a Financial District tower complex getting bigger before it has broken any new ground beyond what is already up.

The expansion was reported by 6sqft on September 22, citing the developer's amended filing. The site is the 100 Gold Street complex in the Financial District, Manhattan — a project already known in the market for its existing towers, now expanding the overall unit count toward nearly 4,000 homes across the redevelopment.

Here's why you care if you're chasing interior or curtain-wall work in lower Manhattan: a jump from a smaller unit count to a number pushing 4,000 doesn't happen without new floor plans, which means new plumbing risers, new electrical distribution, and a longer buildout schedule than whatever was filed originally. When a residential conversion or new-build project resizes upward mid-process, it usually means the amenity package, the unit mix, or the financing structure changed — and any of those three can shift which trades get called first.

None of this is a permit yet, and no contractor is named in the 6sqft report. This is a land-use and unit-count filing, the kind of move that precedes a formal application to City Planning, not a construction start. Track the project's ULURP status before you spend estimating hours on it — that's where the real bid calendar will show up.

What to do next: watch City Planning's project database for a formal application tied to 100 Gold Street, and don't count this one as bid-ready until a GC or construction manager is named in a public filing.