Alteration filingSep 18
DOB filing M01454676-S1
Alteration filing at 520 Madison Avenue
Approved43 proposed stories
Open filing Building record · BIN 1035727
520 Madison Avenue
520 Madison Avenue, Manhattan, NY 10022
A consolidated, filing-by-filing view of DOB records matched to this building identifier. The current snapshot links 8 independently sourced records, including 5 that are not recorded as completed, closed or withdrawn.
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BUILDING RECORD · BIN 1035727
520 Madison Avenue
Midtown-Times Square, Manhattan
A consolidated public-record view · updated Sep 18, 2026
- DOB filings
- 8
- Active-status
- 5
- Recorded addresses
- 1
A building-level summary of matched filings, active-status records and published identifiers.
Matched filings8
Open or active-status records5
First included filingAug 28, 2025
Latest recorded changeSep 18, 2026
The lot
What is already here?
The lot holds a 43-story office building built in 1982, on a 43,532 sq ft lot.
- Floors 2–43Nothing 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 55 — the tallest thing within 60 m to the south is 164.6 m
- Built
- 1982
- Floors
- 43
- Residential units
- 0
- Building type
- Office building
- Land use
- Commercial and office
- Zoning district
- C5-3
- Lot area
- 43,532 sq ft
- Building area
- 1,015,287 sq ft
The apartments
130 condominium apartments are assessed on this block, and the typical one is 941 sq ft (87 m²). They run from 51 to 313 m².
The city values the typical one at $559,378. That is the Department of Finance’s market valuation for tax, not an asking price and not a sale.
What it sold for
4 apartments on this tax block changed hands in the year the city last published, at a median of $3,399,000, from 1,550,000 to 4,326,000.
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.
Owner of record
681 FIFTH AVENUE LLC
As the assessment roll records it. Only owners that read as a company are shown here; where the roll names an individual, nothing is published.
Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 20, 2026. They describe the tax lot, not any single filing. When the rest of New York went up
Violation record
Are there open violations here?
The Department of Buildings has 1 open notice on record for this building, out of 224 notices on file; the most recent was issued Dec 17, 1990.
- Elevator
Issued Dec 17, 1990
Open means the agency has not recorded a resolution, which is not the same as the problem still existing. What a violation is, and what it is not. From NYC Department of Buildings, DOB Violations (3h2n-5cm9), accessed Sep 20, 2026.
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 1035727. They should not be read as a single construction project unless the underlying filings say so.
The matched set includes 8 alteration filing. Its latest status categories are 5 approved, 3 recorded as completed. Each filing page preserves its own status, dates, scope and source identifier.
- First included filing
- Aug 28, 2025
- Latest recorded change
- Sep 18, 2026
- Highest proposed story count
- 43 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.
Address alerts
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Recorded history
What has happened at this address?
Every dated event the city has published for this building, from all 8 matched filings, in the order it was recorded. A date marks what entered the public record, not what happened on site.
- Alteration filed01
Modification/additions to existing sprinkler system, installation of new pre-action sprinkler system and related piping as per plans filed herewith. No change in use, egress or occupancy under this application. Filing M01248972-S3.
- Alteration filed02
Removal and installation of interior non-load bearing partitions, doors, frames, ceilings, millwork, lighting, flooring, and related finishes. installation of three-story convenience stair. no change in use, egress or occupancy under this application. Filing M01248972-I1.
- Alteration filed03
Modification/additions to existing plumbing fixtures and related piping as per plans filed herewith. No change in use, egress or occupancy under this application. Filing M01248972-S2.
- Alteration filed04
Structural modifications associated with partial demo of slab for new interconnecting stair opening as per plans filed herewith. No change in use, egress or occupancy under this application. Filing M01248972-S4.
- Alteration approved05
Filing M01248972-I1 reached an approved status.
- Alteration approved06
Filing M01248972-S4 reached an approved status.
- Alteration approved07
Filing M01248972-S3 reached an approved status.
- Permit recorded for alteration08
DOB lists a first permit date for M01248972-I1. That is not by itself confirmation of activity on site.
- Alteration approved09
Filing M01248972-S2 reached an approved status.
- Permit recorded for alteration010
DOB lists a first permit date for M01248972-S4. That is not by itself confirmation of activity on site.
- Permit recorded for alteration011
DOB lists a first permit date for M01248972-S3. That is not by itself confirmation of activity on site.
- Permit recorded for alteration012
DOB lists a first permit date for M01248972-S2. That is not by itself confirmation of activity on site.
- Alteration signed off013
DOB recorded a sign-off for M01248972-S4.
- Alteration now completed014
The latest status recorded for M01248972-S4 is “LOC Issued.”
- Alteration signed off015
DOB recorded a sign-off for M01248972-I1.
- Alteration now completed016
The latest status recorded for M01248972-I1 is “LOC Issued.”
- Alteration signed off017
DOB recorded a sign-off for M01248972-S2.
- Alteration now completed018
The latest status recorded for M01248972-S2 is “LOC Issued.”
- Alteration now approved019
The latest status recorded for M01248972-S3 is “Permit Entire.”
- Alteration filed020
Modification/additions to existing sprinkler system, installation of new pre-action sprinkler system and related piping as per plans filed herewith. No change in use, egress or occupancy under this application. Filing M01248972-P3.
- Alteration approved021
Filing M01248972-P3 reached an approved status.
- Alteration now approved022
The latest status recorded for M01248972-P3 is “Approved.”
- Alteration filed023
New vav balancing and controls as per plans filed herewith. no change to use, egress, or occupancy. Filing M01454676-S1.
- Alteration filed024
Interior commercial space renovation as per plans filed herewith. no change to use, egress, or occupancy. Filing M01454676-I1.
- Alteration approved025
Filing M01454676-S1 reached an approved status.
- Alteration approved026
Filing M01454676-I1 reached an approved status.
- Alteration filed027
Sprinkler system modification as per plans filed herewith. no change to use, egress, or occupancy. Filing M01454676-S2.
- Alteration approved028
Filing M01454676-S2 reached an approved status.
- Alteration now approved029
The latest status recorded for M01454676-S2 is “Approved.”
- Permit recorded for alteration030
DOB lists a first permit date for M01454676-S1. That is not by itself confirmation of activity on site.
- Permit recorded for alteration031
DOB lists a first permit date for M01454676-I1. That is not by itself confirmation of activity on site.
- Alteration now approved032
The latest status recorded for M01454676-I1 is “Permit Entire.”
- Alteration now approved033
The latest status recorded for M01454676-S1 is “Permit Entire.”