Alteration filingSep 16
DOB filing M00608026-I1
Alteration filing at 660 Madison Avenue
Approved$65,000 recorded cost
Open filing Building record · BIN 1040808
660 Madison Avenue
660 Madison Avenue, Manhattan, NY 10065
A consolidated, filing-by-filing view of DOB records matched to this building identifier. The current snapshot links 2 independently sourced records, including 2 that are not recorded as completed, closed or withdrawn.
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BUILDING RECORD · BIN 1040808
660 Madison Avenue
Upper East Side-Carnegie Hill, Manhattan
A consolidated public-record view · updated Sep 16, 2026
- DOB filings
- 2
- Active-status
- 2
- Recorded addresses
- 1
A building-level summary of matched filings, active-status records and published identifiers.
Matched filings2
Open or active-status records2
First included filingOct 13, 2021
Latest recorded changeSep 16, 2026
The lot
What is already here?
The lot holds a 22-story condominium built in 1958, on a 27,690 sq ft lot.
- Floors 2–22Nothing on record
- Floor 1Street levelStreet level. The lot is recorded as commercial and office, so this floor is where the commercial space is.
- Street levelCommercial and office
- Above the southern skylineFrom about floor 39 — the tallest thing within 60 m to the south is 116.4 m
- Built
- 1958
- Last altered
- 1993
- Floors
- 22
- Residential units
- 0
- Building type
- Condominium
- Land use
- Commercial and office
- Zoning district
- C5-3
- Lot area
- 27,690 sq ft
- Building area
- 465,364 sq ft
What it sold for
3 apartments on this tax block changed hands in the year the city last published, at a median of $1,513,688, from 1,300,000 to 11,600,000.
Recorded sale prices from the Department of Finance’s rolling file, covering the year to Aug 31, 2026. Transfers under $10,000 are left out: New York records deed transfers between relatives at a dollar, and those are not sales. No apartment number and no name is carried from either side.
Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 19, 2026. They describe the tax lot, not any single filing. When the rest of New York went up
What is recorded here
Multiple filings, one stable building identifier.
New York City's Building Identification Number helps connect filings that may use different application numbers or describe different scopes of work. The records below are grouped because they publish BIN 1040808. They should not be read as a single construction project unless the underlying filings say so.
The matched set includes 2 alteration filing. Its latest status categories are 2 approved. Each filing page preserves its own status, dates, scope and source identifier.
- First included filing
- Oct 13, 2021
- Latest recorded change
- Sep 16, 2026
- Highest proposed story count
- 22 stories
- Highest proposed unit count
- Not stated
Highest recorded values may come from different filings and must not be combined into one proposed project. Open the individual filings below for their exact scope. Values outside the publication's conservative data-quality bounds are withheld pending source review.
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Recorded history
What has happened at this address?
Every dated event the city has published for this building, from all 2 matched filings, in the order it was recorded. A date marks what entered the public record, not what happened on site.
- Alteration filed01
Removal of non load-bearing interior partitions, flooring and ceilings. There is no change to the use, egress or occupancy proposed. Filing M00602029-I1.
- Alteration approved02
Filing M00602029-I1 reached an approved status.
- Permit recorded for alteration03
DOB lists a first permit date for M00602029-I1. That is not by itself confirmation of activity on site.
- Alteration filed04
Remove mechanical branch ducts for office bathrooms.no work on building risers.there is no change to the use, egress or occupancy proposed.all work is interior. Filing M00608026-I1.
- Alteration approved05
Filing M00608026-I1 reached an approved status.
- Permit recorded for alteration06
DOB lists a first permit date for M00608026-I1. That is not by itself confirmation of activity on site.
- Alteration now approved07
The latest status recorded for M00608026-I1 is “Permit Entire.”
- Alteration now approved08
The latest status recorded for M00602029-I1 is “Permit Entire.”