Skip to content
General ConstructionManhattanPermit issued

Structural Enlargement Project at 809 Madison Avenue, Manhattan

809 MADISON AVENUE, Manhattan, 10065 · Upper East Side-Carnegie Hill

Winston

Sinra's conciergeOnline now

Planning general construction work near Upper East Side-Carnegie Hill? I’ll scope it, price it, and line up the right pro.

Reported project cost

$3,955,752

As declared on the permit filing. Structural.

Issued
October 8, 2026
Expires
November 4, 2026
License
General Contractor

What was permitted

This permit covers significant structural work, including horizontal and vertical enlargements, at a property on Madison Avenue in Manhattan's Upper East Side. Homeowners considering major renovations or additions can use this as a benchmark for the scale of structural changes.

The permit was issued on October 8, 2026, with an estimated project cost of $3,955,752. CONSTRUCTION MANAGERS * (GC) is listed as the contractor for this substantial structural undertaking.

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.

View the official permit record

Tracking number, work description, cost and dates

Tracking number307567184
Work permit #M01262427-S2-ST
Job filing number—
Work typeStructural
StatusPermit Issued
Job descriptionDevHUB Consultation 7.18.2025 @2pm. Application filed for structural work associated with horizontal and vertical enlargement.
Floor / unitCellar, Floor Number(s) 1 through 14, Roof
Estimated cost$3,955,752
ApprovedSeptember 15, 2026
IssuedOctober 8, 2026
ExpiresNovember 4, 2026
BBL—
BIN—

Property owner

Macklowe Properties

Simone Sarcona

Related searches

structural workhorizontal enlargementvertical enlargementUpper East Side-Carnegie HillManhattanNew York Citylarge project costbuilding permit