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General ConstructionManhattanPermit issued

General Construction for Window Enlargement and Balconies at 4 East 66th Street, Manhattan

4 EAST 66 STREET, Manhattan, 10065 · Upper East Side-Carnegie Hill

Winston

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Reported project cost

$2,500,000

As declared on the permit filing. General Construction.

Issued
July 17, 2026
Expires
September 2, 2026
License
General Contractor

What was permitted

This permit details general construction work focused on enlarging windows and creating doors for Juliette balconies at a property on East 66th Street. Such projects can significantly alter a building's facade and interior, offering a benchmark for homeowners considering similar aesthetic and functional upgrades.

With a substantial estimated cost of $2,500,000, this project was issued a permit on July 17, 2026, by SEA-DAR ENTERPRISES, INC. Future structural and mechanical work will be filed separately, indicating a larger scope for this Upper East Side property.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number170862387
Work permit #M01360085-I1-GC
Job filing number—
Work typeGeneral Construction
StatusPermit Issued
Job descriptionGeneral Construction work for enlarging windows and crating doors for Juliette balconies. Subsequent structural and mechanical work filed under subsequent documents.
Floor / unitFloor Number(s) 11 through 11
Estimated cost$2,500,000
ApprovedMay 13, 2026
IssuedJuly 17, 2026
ExpiresSeptember 2, 2026
BBL—
BIN—

Property owner

Heather Osborn

Related searches

general constructionwindow enlargementJuliette balconiesUpper East Side-Carnegie HillNew York City$2,500,000residential renovation