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Street record · Manhattan

West 121 Street

17 mapped DOB filings publish this street name in the current snapshot. They span Morningside Heights, Harlem (South). 5 changed status in the last 7 days.

Open full map
Qualified records17
Active-status records14
Latest status changeNov 10, 2026

What is on this street

The built record of West 121 Street

City Planning maps 151 tax lots on West 121 Street in Manhattan, 63% of them walk-up apartments. The oldest went up in 1886 and the newest in 2016. This describes the street as it stands, not the filings below.

Where 1900s sits in the city’s own timeline

Tax lots
151
Buildings
152
Homes
1,320
Typically built
1900s
Typical height
3–19 floors
Built area
1,289,559 sq ft

How the lots are used

  • Walk-up apartments95 of 151
  • One and two family homes38 of 151
  • Elevator apartments8 of 151

Zoning: R7-2, R7A, R7B are the districts covering most of the street. A zoning district sets what may be built, not what is there now.

NYC Department of City Planning · Primary Land Use Tax Lot Output (PLUTO) · 64uk-42ks · read 2026-09-11

Living here

The housing record on West 121 Street.

Of the 5 addresses here checked against the city’s open-violation extract, 3 carry at least one — 60% — and 3 carry at least one the city calls immediately hazardous.

Open violations
16
Immediately hazardous
10
Addresses checked
5

The Housing Maintenance Code is about living in a building — heat, hot water, pests, paint — and is a different thing from the Department of Buildings violations elsewhere on this page, which are about building work. The two most common open violations in the whole city are both paperwork, so a high count is a reason to read the classes rather than a verdict. What each class means Counted from the extract accessed Oct 30, 2026.

How to read this street page

A shared street name does not mean a shared project.

These records are grouped by the street name and borough published by DOB. Each address remains an independent filing unless its source record explicitly connects it to another site. Use this page to scan activity along the corridor, then open an individual filing for its exact status, scope and identifiers.

Explore this corridor on the map

The whole street

A block of West 121 Street, as it stands.

Each building is its own outline at its own roof height, in its own place — the gap down the middle is the street. Turn it to see the other side. The letter on a roof is the building class the city files it under.

C21 West 121 Street — Apartments · 4 storeys · built 1888 · 8 homesB19 West 121 Street — Houses · 4 storeys · built 1888C17 West 121 Street — Apartments · 4 storeys · built 1888 · 4 homesC15 West 121 Street — Apartments · 4 storeys · built 1888 · 8 homesB24 West 121 Street — Houses · 4 storeys · built 1888B13 West 121 Street — Houses · 4 storeys · built 1888B22 West 121 Street — Houses · 3 storeys · built 1889B11 West 121 Street — Houses · 4 storeys · built 1890B20 West 121 Street — Houses · 3 storeys · built 1889C9 West 121 Street — Apartments · 4 storeys · built 1890 · 6 homesC7 West 121 Street — Apartments · 4 storeys · built 1890 · 3 homesC18 West 121 Street — Apartments · 3 storeys · built 1889 · 6 homesC16 West 121 Street — Apartments · 3 storeys · built 1889 · 6 homesC5 West 121 Street — Apartments · 4 storeys · built 1890 · 3 homesB14 West 121 Street — Houses · 3 storeys · built 1889C3 West 121 Street — Apartments · 4 storeys · built 1890 · 5 homesC1 West 121 Street — Apartments · 4 storeys · built 1887 · 4 homesC12 West 121 Street — Apartments · 4 storeys · built 1890 · 3 homesC10 West 121 Street — Apartments · 4 storeys · built 1890 · 8 homesC8 West 121 Street — Apartments · 4 storeys · built 1890 · 3 homesB6 West 121 Street — Houses · 4 storeys · built 1890C4 West 121 Street — Apartments · 4 storeys · built 1890 · 7 homesC21 West 121 Street — Apartments · 4 storeys · built 1888 · 8 homesB19 West 121 Street — Houses · 4 storeys · built 1888C17 West 121 Street — Apartments · 4 storeys · built 1888 · 4 homesC15 West 121 Street — Apartments · 4 storeys · built 1888 · 8 homesB13 West 121 Street — Houses · 4 storeys · built 1888B11 West 121 Street — Houses · 4 storeys · built 1890C9 West 121 Street — Apartments · 4 storeys · built 1890 · 6 homesC7 West 121 Street — Apartments · 4 storeys · built 1890 · 3 homesC5 West 121 Street — Apartments · 4 storeys · built 1890 · 3 homesC3 West 121 Street — Apartments · 4 storeys · built 1890 · 5 homesC1 West 121 Street — Apartments · 4 storeys · built 1887 · 4 homesB24 West 121 Street — Houses · 4 storeys · built 1888B22 West 121 Street — Houses · 3 storeys · built 1889B20 West 121 Street — Houses · 3 storeys · built 1889C18 West 121 Street — Apartments · 3 storeys · built 1889 · 6 homesC16 West 121 Street — Apartments · 3 storeys · built 1889 · 6 homesB14 West 121 Street — Houses · 3 storeys · built 1889C12 West 121 Street — Apartments · 4 storeys · built 1890 · 3 homesC10 West 121 Street — Apartments · 4 storeys · built 1890 · 8 homesC8 West 121 Street — Apartments · 4 storeys · built 1890 · 3 homesB6 West 121 Street — Houses · 4 storeys · built 1890C4 West 121 Street — Apartments · 4 storeys · built 1890 · 7 homesC4 West 121 Street — Apartments · 4 storeys · built 1890 · 7 homesB6 West 121 Street — Houses · 4 storeys · built 1890C8 West 121 Street — Apartments · 4 storeys · built 1890 · 3 homesC10 West 121 Street — Apartments · 4 storeys · built 1890 · 8 homesC12 West 121 Street — Apartments · 4 storeys · built 1890 · 3 homesC1 West 121 Street — Apartments · 4 storeys · built 1887 · 4 homesB14 West 121 Street — Houses · 3 storeys · built 1889C3 West 121 Street — Apartments · 4 storeys · built 1890 · 5 homesC5 West 121 Street — Apartments · 4 storeys · built 1890 · 3 homesC16 West 121 Street — Apartments · 3 storeys · built 1889 · 6 homesC7 West 121 Street — Apartments · 4 storeys · built 1890 · 3 homesC18 West 121 Street — Apartments · 3 storeys · built 1889 · 6 homesC9 West 121 Street — Apartments · 4 storeys · built 1890 · 6 homesB20 West 121 Street — Houses · 3 storeys · built 1889B11 West 121 Street — Houses · 4 storeys · built 1890B22 West 121 Street — Houses · 3 storeys · built 1889B13 West 121 Street — Houses · 4 storeys · built 1888B24 West 121 Street — Houses · 4 storeys · built 1888C15 West 121 Street — Apartments · 4 storeys · built 1888 · 8 homesC17 West 121 Street — Apartments · 4 storeys · built 1888 · 4 homesB19 West 121 Street — Houses · 4 storeys · built 1888C21 West 121 Street — Apartments · 4 storeys · built 1888 · 8 homesC4 West 121 Street — Apartments · 4 storeys · built 1890 · 7 homesB6 West 121 Street — Houses · 4 storeys · built 1890C8 West 121 Street — Apartments · 4 storeys · built 1890 · 3 homesC10 West 121 Street — Apartments · 4 storeys · built 1890 · 8 homesC12 West 121 Street — Apartments · 4 storeys · built 1890 · 3 homesB14 West 121 Street — Houses · 3 storeys · built 1889C16 West 121 Street — Apartments · 3 storeys · built 1889 · 6 homesC18 West 121 Street — Apartments · 3 storeys · built 1889 · 6 homesB20 West 121 Street — Houses · 3 storeys · built 1889B22 West 121 Street — Houses · 3 storeys · built 1889B24 West 121 Street — Houses · 4 storeys · built 1888C1 West 121 Street — Apartments · 4 storeys · built 1887 · 4 homesC5 West 121 Street — Apartments · 4 storeys · built 1890 · 3 homesC3 West 121 Street — Apartments · 4 storeys · built 1890 · 5 homesC7 West 121 Street — Apartments · 4 storeys · built 1890 · 3 homesC9 West 121 Street — Apartments · 4 storeys · built 1890 · 6 homesB11 West 121 Street — Houses · 4 storeys · built 1890B13 West 121 Street — Houses · 4 storeys · built 1888C15 West 121 Street — Apartments · 4 storeys · built 1888 · 8 homesC17 West 121 Street — Apartments · 4 storeys · built 1888 · 4 homesB19 West 121 Street — Houses · 4 storeys · built 1888C21 West 121 Street — Apartments · 4 storeys · built 1888 · 8 homes
Seen from the
  • Houses
  • Apartments
22 of the 151 lots the city maps on West 121 Street — about 300 feet of it, the tallest 19 metres. Each building is the outline City Planning publishes for it, raised to the roof height the city measured, and placed where it stands in relation to its neighbours; nothing is arranged and nothing is to a different scale from anything else. The gap down the middle is the street. A letter is the building class the city files that building under.

Building by building

What stands on West 121 Street, and what is being done to it.

A filing is about a building rather than about a street, so the records here are grouped into the buildings they name. Each drawing is that building’s own footprint at its own roof height, from the outlines City Planning publishes; the panel beside it is what the tax roll records about the lot, and the last one is every filing here that names it.

151 lots are mapped on West 121 Street. These are the first 6, and none of them is named by a filing.

1 West 121 Street

What is here

Built
1887
Storeys
4
Homes
4
Recorded as
Walk-up apartment building
Zoning
R7-2
Lot
1,670 sq ft

In the Mount Morris Park Historic District.

5 open housing violations, 5 immediately hazardous. What the classes mean

3 West 121 Street

What is here

Built
1890
Storeys
4
Homes
5
Recorded as
Walk-up apartment building
Zoning
R7-2
Lot
2,018 sq ft

In the Mount Morris Park Historic District.

31 open housing violations. What the classes mean

4 West 121 Street

What is here

Built
1890
Storeys
4
Homes
7
Recorded as
Walk-up apartment building
Zoning
R7-2
Lot
2,018 sq ft

In the Mount Morris Park Historic District.

No Department of Buildings filing in the current snapshot names this building.

5 West 121 Street

What is here

Built
1890
Storeys
4
Homes
3
Recorded as
Walk-up apartment building
Zoning
R7-2
Lot
2,018 sq ft

In the Mount Morris Park Historic District.

No Department of Buildings filing in the current snapshot names this building.

6 West 121 Street

What is here

Built
1890
Storeys
4
Homes
2
Recorded as
Two-family home
Zoning
R7-2
Lot
2,018 sq ft

In the Mount Morris Park Historic District.

61 open housing violations, 8 immediately hazardous. What the classes mean

7 West 121 Street

What is here

Built
1890
Storeys
4
Homes
3
Recorded as
Walk-up apartment building
Zoning
R7-2
Lot
2,119 sq ft

In the Mount Morris Park Historic District.

9 open housing violations, 2 immediately hazardous. What the classes mean

On the market

14 homes on West 121 Street are listed today.

What the brokerages are currently asking along this street. These are the first 12. Each one links to the agent’s own page, where the price is live and the photographs are.

Everything on the market in Manhattan.

Source snapshot accessed Nov 13, 2026. Street grouping is based on the normalized street-name field.

Keep reading

Where this street runs.

Neighborhoods

Morningside HeightsHarlem (South)

Postal codes

10027

Applicants of record

NYC ScaKma Designs LLCMvn Architect LLCNew Age Engineering PLLCAlways Fast Services CorpC&c Daley's CONST.CORP