NYC DOB record · M01173835-I1

100 East 77 Street

100 East 77 Street, Manhattan, NY 10075

Alteration filing in Upper East Side-Carnegie Hill, Manhattan. The latest DOB status is loc issued.

DOB has issued a Letter of Completion, which records that the work in this filing is finished.

Recorded as completedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Aug 29, 2026 · Verify the source row

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100 East 77 Street record graphic showing the DOB filing status and stated proposal scale
Filing data portrait

A page-specific reading of the filing status, location and stated scale. Values are drawn from the cited DOB record.

Address record at a glance

What is filed at this address?

NYC DOB lists filing M01173835-I1 as a alteration filing at 100 East 77 Street, Manhattan, NY 10075. Its latest published status category is Recorded as completed, dated Aug 26, 2026. The published record does not state proposed stories or dwelling units.

A filing or approval does not by itself confirm that work is underway. Proposed details may change in later DOB records.
Filing type
Alteration filing
Latest status
Recorded as completed
Latest status date
Aug 26, 2026
Proposed scale
Not stated in this filing
FiledMar 4, 2025
Current recordRecorded as completed
Proposed scaleNot specified
Recorded cost$125,000

What the filing says

A public-record reading of the proposed work.

Northwell Lenox Hill Biplane project: modify plumbing & sprinkler systems to conform with new room layouts as per plans filed herewith.

Street Futures classifies this record as a alteration filing based on the filing type and work flags published by the Department of Buildings. This classification helps organize the map; it does not add scope that is absent from the DOB record.

The lot this filing sits on

What is already here?

The lot holds a 14-story health facility built in 1930, on a 81,503 sq ft lot.

Built
1930
Last altered
1959
Floors
14
Residential units
0
Building type
Health facility
Land use
Public facilities and institutions
Zoning district
C1-8
Lot area
81,503 sq ft
Building area
775,241 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 1, 2026. They describe the tax lot, not this filing.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing M01173835-I1.

    01
  2. Application approved

    The application reached an approved status in the DOB record.

    02
  3. First permit date recorded

    DOB lists a first permit date. This does not by itself confirm current construction activity.

    03
  4. Current status updated

    The latest recorded filing status is “LOC Issued.”

    04
  5. Sign-off date recorded

    DOB lists a sign-off date for this filing.

    05

Scope and identifiers

The details used to match this filing.

DOB filing number
M01173835-I1
BIN
1082185
BBL
1014110001
Review type
Standard Plan Examination
Existing stories
Not recorded
Proposed stories
Not recorded
Existing dwelling units
0
Proposed dwelling units
0