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General ConstructionManhattanPermit issued

Vertical Extension at 404 East 63 Street, Manhattan

404 EAST 63 STREET, Manhattan, 10065 · Upper East Side-Lenox Hill-Roosevelt Island

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Reported project cost

$2,017,200

As declared on the permit filing. General Construction.

Issued
October 6, 2026
Expires
August 31, 2027
License
General Contractor

What was permitted

Residents on the Upper East Side can observe the scale of major building expansions. This permit details a one-story vertical extension atop an existing mixed-use building, including facade work and partial demolition, to convert it into a residential property.

Issued on October 6, 2026, this extensive general construction project has an estimated cost of $2,017,200. ERIN CONSTRUCTION & DEVEL is the general contractor managing this development.

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View the official permit record

Tracking number, work description, cost and dates

Tracking number244215510
Work permit #M01215372-I1-GC
Job filing number—
Work typeGeneral Construction
StatusPermit Issued
Job descriptionOne story vertical extension on top of the existing 5-story mixed-use building, including facade repair, rehabilitation, and partial demolition on all floors, to convert to a residential building.
Floor / unitCellar, Cellar, Floor Number(s) 1, Floor Number(s) 2, Floor Number(s) 3, Floor Number(s) 4, Floor Number(s) 5, Floor Number(s) 6, Roof, Roof
Estimated cost$2,017,200
ApprovedJanuary 28, 2026
IssuedOctober 6, 2026
ExpiresAugust 31, 2027
BBL—
BIN—

Property owner

Pr

Jeffrey Stern

Related searches

vertical extensionbuilding conversionUpper East SideManhattangeneral constructionresidential development$2M+