NYC DOB record · M01277602-I1

645 Madison Avenue

645 Madison Avenue, Manhattan, NY 10022

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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645 Madison Avenue 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 M01277602-I1 as a alteration filing at 645 Madison Avenue, Manhattan, NY 10022. Its latest published status category is Recorded as completed, dated Aug 26, 2026. The filing records 22 proposed stories.

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
22 proposed stories
Complete building dossierView all 6 filings associated with BIN 1040762
FiledSep 24, 2025
Current recordRecorded as completed
Proposed scale22 stories
Recorded cost$178,554

What the filing says

A public-record reading of the proposed work.

Modifications to the existing HVAC system on the 18th Floor as per plans. 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 22-story office building built in 1971, on a 9,038 sq ft lot.

Built
1971
Floors
22
Residential units
0
Building type
Office building
Land use
Commercial and office
Zoning district
C5-3
Lot area
9,038 sq ft
Building area
164,615 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 M01277602-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.

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
M01277602-I1
BBL
1013740049
Review type
Professional Certification
Existing stories
22
Proposed stories
22
Existing dwelling units
0
Proposed dwelling units
0