NYC DOB record · M01117811-I1

503 West 121 Street

503 West 121 Street, Manhattan, NY 10027

Alteration filing in Morningside Heights, Manhattan. The latest DOB status is loc issued.

DOB has issued a Letter of Completion, which records that the work in this filing is finished. What every status means

Recorded as completedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Nov 12, 2026 · Verify the source row

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NYC DOB RECORD · M01117811-I1

503 West 121 Street

Manhattan, NY 10027

Alteration filing · status dated Nov 10, 2026

Current record
Recorded as completed
Proposed scale
6 stories
Dwelling units
117
Filing data portrait

A page-specific reading of the filing status, location and stated scale. Values are drawn from the cited DOB record.

Address record at a glance

What is filed at this address?

NYC DOB lists filing M01117811-I1 as a alteration filing at 503 West 121 Street, Manhattan, NY 10027. Its latest published status category is Recorded as completed, dated Nov 10, 2026. The filing records 6 proposed stories and 117 proposed dwelling units.

A filing or approval does not by itself confirm that work is underway. Proposed details may change in later DOB records.
Filing type
Alteration filing
Latest status
Recorded as completed
Latest status date
Nov 10, 2026
Proposed scale
6 proposed stories and 117 proposed dwelling units
The building, not the filingthe owner of record and every filing at BIN 1059656Applicant of recordSee the 44 filings that name Mvn Architect LLC
FiledOct 3, 2024
Current recordRecorded as completed
Proposed scale6 stories
Recorded cost$1.2M

What the filing says

A public-record reading of the proposed work.

Application filed for facade and roof repairs as per drawings filed herewith.

Street Futures classifies this record as a alteration filing based on the filing type and work flags published by the Department of Buildings. This classification helps organize the map; it does not add scope that is absent from the DOB record.

The lot this filing sits on

What is already here?

The lot holds a 6-story elevator apartment building built in 1910, with 30 homes, on a 7,194 sq ft lot.

Built
1910
Last altered
1988
Floors
6
Residential units
30
Building type
Elevator apartment building
Land use
Elevator apartments
Zoning district
R8
Lot area
7,194 sq ft
Building area
30,498 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Nov 12, 2026. They describe the tax lot, not this filing.

Violation record

Are there open violations here?

The Department of Buildings has 8 open notices on record for this building, out of 21 notices on file; the most recent was issued Feb 22, 2022.

  • No report and / or late filing (facade)

    Issued Feb 22, 2022 — FAILED TO FILE FISP CYCLE 9A TECHNICAL REPORT BY 02/21/2022

  • Failure to

    Issued Aug 2, 2019 — FAILURE TO FILE BENCHMARKING REPORT OF ENERGY USE AS PER AD. CODE SEC. 28-309.4

  • Failure to

    Issued May 2, 2019 — FAILURE TO FILE BENCHMARKING REPORT OF ENERGY USE AS PER AD. CODE SEC. 28-309.4

  • 5 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 Nov 12, 2026.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing M01117811-I1.

    01
  2. Application approved

    The application reached an approved status in the DOB record.

    02
  3. First permit date recorded

    DOB lists a first permit date. This does not by itself confirm current construction activity.

    03
  4. Current status updated

    The latest recorded filing status is “LOC Issued.”

    04
  5. Sign-off date recorded

    DOB lists a sign-off date for this filing.

    05

For scale: half of DOB filings are permitted within 22 days of being filed and a quarter take longer than 4 months, measured across 95,779 filings that carry both dates. How long a permit takes, by work type and borough

Scope and identifiers

The details used to match this filing.

Where a field reads “empty in the source”, the city published this filing without that value. It is not an omission on our side, and nothing here is inferred to fill a gap.

DOB filing number
M01117811-I1
BBL
1019760026
Review type
Standard Plan Examination
Existing stories
6
Proposed stories
6
Existing dwelling units
117
Proposed dwelling units
117
General construction