What was permitted
For those on the Upper East Side-Carnegie Hill, a major general construction project is underway at 1009 Fifth Avenue. This involves converting a multi-family building back to its original grand single-family residence.
The permit for this extensive renovation was issued on July 6, 2026, with an estimated project cost of $5,135,240. COW BAY SPRINKLER CORP is the general contractor managing this significant undertaking.
Plan a similar project
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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.