Alteration filingNov 4
DOB filing M01359456-S1
Alteration filing at 4 West 123 Street
Approved3 proposed stories
Open filing Building record · BIN 1053404
4 West 123 Street
4 West 123 Street, Manhattan, NY 10027
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 The current snapshot links 2 independently sourced records, including 2 that are not recorded as completed, closed or withdrawn.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 1053404
4 West 123 Street
Harlem (South), Manhattan
A consolidated public-record view · updated Nov 4, 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 filingMar 27, 2026
Latest recorded changeNov 4, 2026
The lot
What is already here?
The lot holds a 3-story one-family home built in 1882, on a 1,682 sq ft lot.
- Floors 2–3Nothing on record
- Floor 1Street levelStreet level. The lot is recorded as one and two family homes.
- Street levelOne and two family homes
- Above the southern skylineFrom about floor 9 — the tallest thing within 60 m to the south is 24.7 m
- Built
- 1882
- Last altered
- 1995
- Floors
- 3
- Residential units
- 1
- Building type
- One-family home
- Land use
- One and two family homes
- Zoning district
- R7-2
- Lot area
- 1,682 sq ft
- Building area
- 2,547 sq ft
- Historic district
- Mount Morris Park Historic District
Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Oct 30, 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 1053404. 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
- Mar 27, 2026
- Latest recorded change
- Nov 4, 2026
- Highest proposed story count
- 3 stories
- Highest proposed unit count
- 1 dwelling units
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
Partial floor structural repair in basement and first floor. Filing M01359456-S1.
- Alteration filed02
Alteration to include removal and new partitions, new stairs tocellar, relocation of existing kitchen, floor structure repair inbasement and on 1st fl. renovation of exist. bathrooms on floors 2 and 3. Filing M01359456-I1.
- Alteration approved03
Filing M01359456-I1 reached an approved status.
- Alteration approved04
Filing M01359456-S1 reached an approved status.
- Permit recorded for alteration05
DOB lists a first permit date for M01359456-S1. That is not by itself confirmation of activity on site.
- Permit recorded for alteration06
DOB lists a first permit date for M01359456-I1. That is not by itself confirmation of activity on site.
- Alteration now approved07
The latest status recorded for M01359456-I1 is “Permit Entire.”
- Alteration now approved08
The latest status recorded for M01359456-S1 is “Permit Entire.”