NYC DOB record · B01269950-I1

435 East 21 Street

435 East 21 Street, Brooklyn, NY 11226

Alteration filing in Flatbush, Brooklyn. The latest DOB status is permit entire.

DOB has issued the permit covering the full scope of this filing, so the work is cleared to proceed. What every status means

ApprovedAlteration filing

NYC Department of Buildings · w9ak-ipjd · accessed Oct 15, 2026 · Verify the source row

Open full map
newyorkdailyStreet Futures

NYC DOB RECORD · B01269950-I1

435 East 21 Street

Brooklyn, NY 11226

Alteration filing · status dated Oct 13, 2026

Current record
Approved
Proposed scale
Not stated
Dwelling units
16
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 B01269950-I1 as a alteration filing at 435 East 21 Street, Brooklyn, NY 11226. Its latest published status category is Approved, dated Oct 13, 2026. The filing records 16 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
Approved
Latest status date
Oct 13, 2026
Proposed scale
16 proposed dwelling units
The building, not the filingopen housing violations, the owner of record and every filing at BIN 3118860Applicant of recordSee the 42 filings that name Conapac Services, Dba
FiledAug 24, 2025
Current recordApproved
Proposed scale16 units
Recorded cost$1

What the filing says

A public-record reading of the proposed work.

Installation of sidewalk shed and supported scaffold as shown on drawings. no change in use egress or occupancy. we shall comply with chapter 33 of 202 b.c

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 2.5-story one-family home built in 1899, on a 3,600 sq ft lot.

Built
1899
Floors
2.5
Residential units
1
Building type
One-family home
Land use
One and two family homes
Zoning district
R6A
Lot area
3,600 sq ft
Building area
2,966 sq ft

Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Oct 15, 2026. They describe the tax lot, not this filing.

Violation record

Are there open violations here?

No open violations are recorded for this building. 3 notices are on file, all with a recorded resolution.

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 Oct 10, 2026.

Recorded timeline

Dates published by the Department of Buildings.

  1. Application filed

    DOB received filing B01269950-I1.

    01
  2. First permit date recorded

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

    02
  3. Current status updated

    The latest recorded filing status is “Permit Entire.”

    03

For scale: half of DOB filings are permitted within 22 days of being filed and a quarter take longer than 4 months, measured across 80,574 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
B01269950-I1
BBL
3051640062
Review type
Professional Certification
Existing stories
Empty in the source
Proposed stories
Empty in the source
Existing dwelling units
0
Proposed dwelling units
16
Sidewalk shedScaffolding