Alteration filingSep 29
DOB filing M01424516-I1
Alteration filing at 173 West 78 Street
Approved16 proposed stories
Open filing Building record · BIN 1030234
173 West 78 Street
173 West 78 Street, Manhattan, NY 10024
A consolidated, filing-by-filing view of DOB records matched to this building identifier. The current snapshot links 1 independently sourced records, including 1 that are not recorded as completed, closed or withdrawn.
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BUILDING RECORD · BIN 1030234
173 West 78 Street
Upper West Side (Central), Manhattan
A consolidated public-record view · updated Sep 29, 2026
- DOB filings
- 1
- Active-status
- 1
- Recorded addresses
- 1
A building-level summary of matched filings, active-status records and published identifiers.
Matched filings1
Open or active-status records1
First included filingJul 31, 2026
Latest recorded changeSep 29, 2026
The lot
What is already here?
The lot holds a 15-story elevator apartment building built in 1929, with 84 homes, on a 7,663 sq ft lot.
- Floors 9–15Above the southern skylineAbove the tallest building within sixty metres to the south, which stands 24 m. Nothing on that side reaches this floor.
- Floors 2–8Homes84 homes are recorded on this lot — about 6 homes to a floor, and the apartments assessed on this block run to a typical 807 sq ft (75 m²). The city does not publish which floor any of them is on.
- Floor 1Street levelStreet level. The lot is recorded as mixed residential and commercial, so this floor is where the commercial space is.
- Street levelMixed residential and commercial
- Homes84 recorded · typically 75 m² · valued $281,964
- Above the southern skylineFrom about floor 9 — the tallest thing within 60 m to the south is 24 m
- Built
- 1929
- Last altered
- 1988
- Floors
- 15
- Residential units
- 84
- Building type
- Elevator apartment building
- Land use
- Mixed residential and commercial
- Zoning district
- C2-7A
- Lot area
- 7,663 sq ft
- Building area
- 96,992 sq ft
- Historic district
- Upper West Side / Central Park West Historic District
The apartments
480 condominium apartments are assessed on this block, and the typical one is 807 sq ft (75 m²). They run from 34 to 448 m².
The city values the typical one at $281,964. That is the Department of Finance’s market valuation for tax, not an asking price and not a sale.
What it sold for
15 apartments on this tax block changed hands in the year the city last published, at a median of $2,301,440, from 438,887 to 8,370,000.
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
TILE ARCH, 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 Oct 2, 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 1030234. They should not be read as a single construction project unless the underlying filings say so.
The matched set includes 1 alteration filing. Its latest status categories are 1 approved. Each filing page preserves its own status, dates, scope and source identifier.
- First included filing
- Jul 31, 2026
- Latest recorded change
- Sep 29, 2026
- Highest proposed story count
- 16 stories
- Highest proposed unit count
- 88 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 1 matched filings, in the order it was recorded. A date marks what entered the public record, not what happened on site.
- Alteration filed01
General construction work to include addition of a new wheelchair lift device in existing multifamily residential lobby adjacent to existing steps as per plans filed herewith. no change in use, egress, or occupancy. Filing M01424516-I1.
- Alteration approved02
Filing M01424516-I1 reached an approved status.
- Permit recorded for alteration03
DOB lists a first permit date for M01424516-I1. That is not by itself confirmation of activity on site.
- Alteration now approved04
The latest status recorded for M01424516-I1 is “Permit Entire.”