NYC DOB record · M01278825-I1

121 Madison Avenue

121 Madison Avenue, Manhattan, NY 10016

Alteration filing in Midtown South-Flatiron-Union Square, Manhattan. The latest DOB status is permit entire.

DOB has issued the permit covering the full scope of this filing, so the work is cleared to proceed. What every status means

ApprovedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Oct 8, 2026 · Verify the source row

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NYC DOB RECORD · M01278825-I1

121 Madison Avenue

Manhattan, NY 10016

Alteration filing · status dated Oct 6, 2026

Current record
Approved
Proposed scale
13 stories
Dwelling units
101
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 M01278825-I1 as a alteration filing at 121 Madison Avenue, Manhattan, NY 10016. Its latest published status category is Approved, dated Oct 6, 2026. The filing records 13 proposed stories and 101 proposed 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
Approved
Latest status date
Oct 6, 2026
Proposed scale
13 proposed stories and 101 proposed dwelling units
The building, not the filingopen housing violations, what it sold for, apartment sizes and every filing at BIN 1016958Applicant of recordSee the 15 filings that name Cataldo Engineering, P.C.
FiledSep 5, 2025
Current recordApproved
Proposed scale13 stories
Recorded cost$772,987

What the filing says

A public-record reading of the proposed work.

Facade repairs as per plans filed herewith. no change to use, egress or occupancy.

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 12-story elevator apartment building built in 1938, with 102 homes, on a 10,850 sq ft lot.

Built
1938
Floors
12
Residential units
102
Building type
Elevator apartment building
Land use
Mixed residential and commercial
Zoning district
C5-2
Lot area
10,850 sq ft
Building area
111,457 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Oct 9, 2026. They describe the tax lot, not this filing.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing M01278825-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 “Permit Entire.”

    04

For scale: half of DOB filings are permitted within 21 days of being filed and a quarter take longer than 4 months, measured across 78,679 filings that carry both dates. How long a permit takes, by work type and borough

Scope and identifiers

The details used to match this filing.

Where a field reads “empty in the source”, the city published this filing without that value. It is not an omission on our side, and nothing here is inferred to fill a gap.

DOB filing number
M01278825-I1
BBL
1008600022
Review type
Professional Certification
Existing stories
13
Proposed stories
13
Existing dwelling units
101
Proposed dwelling units
101
General construction