Alteration filingSep 14
DOB filing M01420805-I1
Alteration filing at 366 Fifth Avenue
Approved12 proposed stories
Open filing Building record · BIN 1015878
366 Fifth Avenue
366 Fifth Avenue, Manhattan, NY 10001
A consolidated, filing-by-filing view of DOB records matched to this building identifier. The current snapshot links 4 independently sourced records, including 4 that are not recorded as completed, closed or withdrawn.
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BUILDING RECORD · BIN 1015878
366 Fifth Avenue
Midtown South-Flatiron-Union Square, Manhattan
A consolidated public-record view · updated Sep 14, 2026
- DOB filings
- 4
- Active-status
- 4
- Recorded addresses
- 2
A building-level summary of matched filings, active-status records and published identifiers.
Matched filings4
Open or active-status records4
First included filingMay 11, 2026
Latest recorded changeSep 14, 2026
The lot
What is already here?
The lot holds a 12-story office building built in 1908, on a 12,862 sq ft lot.
- Floors 2–12Nothing 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 126 — the tallest thing within 60 m to the south is 377.6 m
- Built
- 1908
- Floors
- 12
- Residential units
- 0
- Building type
- Office building
- Land use
- Commercial and office
- Zoning district
- C5-3
- Lot area
- 12,862 sq ft
- Building area
- 147,595 sq ft
Owner of record
41 WEST 34TH STREET 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 17, 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 16 open notices on record for this building, out of 101 notices on file; the most recent was issued Dec 1, 2021.
- Failure to post energy
Issued Dec 1, 2021 — FAILURE TO DISPLAY ENERGY EFFICIENCY SCORE AND ENERGY EFFICIENCY GRADE AS PER ADCODE SEC. 28-309.12.3
- Failure to post energy
Issued Apr 29, 2021 — FAILURE TO DISPLAY ENERGY EFFICIENCY SCORE AND ENERGY EFFICIENCY GRADE AS PER ADCODE SEC. 28-309.12.3
- Sprinkler
Issued Sep 3, 2019 — FAILED TO FILE FINAL SPRINKLER REPORT BY JULY 1, 2019
13 further open notices are on file. Open the source dataset for the full list.
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 16, 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 1015878. They should not be read as a single construction project unless the underlying filings say so.
The matched set includes 4 alteration filing. Its latest status categories are 4 approved. Each filing page preserves its own status, dates, scope and source identifier.
- First included filing
- May 11, 2026
- Latest recorded change
- Sep 14, 2026
- Highest proposed story count
- 12 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 4 matched filings, in the order it was recorded. A date marks what entered the public record, not what happened on site.
- Alteration filed01
INTERIOR RENOVATION OF EXISTING COMMERCIAL SPACE. NEW WALLS AND FIXTURES PER PLAN. ALTERATION ON EXISTING HVAC. NO CHANGE in EGRESS, USE OR OCCUPANCY. Filing M01395049-I1.
- Alteration approved02
Filing M01395049-I1 reached an approved status.
- Alteration filed03
New plumbing fixture per plan for existing commercial space. No change in use, occupancy or egress. Filing M01421682-S2.
- Alteration filed04
Interior renovation of existing commercial space. new walls and fixtures per plan. no change in egress, use or occupancy. Filing M01421682-I1.
- Alteration approved05
Filing M01421682-I1 reached an approved status.
- Alteration approved06
Filing M01421682-S2 reached an approved status.
- Alteration filed07
Demolition and general construction in partial 5th floor as per plans. No change to use, egress or occupancy. Filing M01420805-I1.
- Alteration approved08
Filing M01420805-I1 reached an approved status.
- Permit recorded for alteration09
DOB lists a first permit date for M01421682-I1. That is not by itself confirmation of activity on site.
- Alteration now approved010
The latest status recorded for M01421682-I1 is “Permit Entire.”
- Permit recorded for alteration011
DOB lists a first permit date for M01395049-I1. That is not by itself confirmation of activity on site.
- Alteration now approved012
The latest status recorded for M01395049-I1 is “Permit Entire.”
- Permit recorded for alteration013
DOB lists a first permit date for M01421682-S2. That is not by itself confirmation of activity on site.
- Alteration now approved014
The latest status recorded for M01421682-S2 is “Permit Entire.”
- Permit recorded for alteration015
DOB lists a first permit date for M01420805-I1. That is not by itself confirmation of activity on site.
- Alteration now approved016
The latest status recorded for M01420805-I1 is “Permit Entire.”