Alteration filingAug 2
DOB filing B00486680-I1
Alteration filing at 856 50 Street
Recorded as completed$56,500 recorded cost
Open filing Building record · BIN 3137830
856 50 Street
856 50 Street, Brooklyn, NY 11220
A consolidated, filing-by-filing view of DOB records matched to this building identifier. The current snapshot links 2 independently sourced records, including 1 that are not recorded as completed, closed or withdrawn.
newyorkdailyStreet Futures
BUILDING RECORD · BIN 3137830
856 50 Street
Sunset Park (East)-Borough Park (West), Brooklyn
A consolidated public-record view · updated Aug 2, 2022
- DOB filings
- 2
- Active-status
- 1
- Recorded addresses
- 1
A building-level summary of matched filings, active-status records and published identifiers.
Matched filings2
Open or active-status records1
First included filingApr 6, 2021
Latest recorded changeAug 2, 2022
The lot
What is already here?
The lot holds a 4-story walk-up apartment building built in 1931, with 16 homes, on a 4,400 sq ft lot.
- Floors 2–4Homes16 homes are recorded on this lot — about 5 homes to a floor, and the apartments assessed on this block run to a typical 982 sq ft (91 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
- Homes16 recorded · typically 91 m² · valued $178,042
- Above the southern skylineFrom about floor 6 — the tallest thing within 60 m to the south is 16.8 m
- Built
- 1931
- Last altered
- 2008
- Floors
- 4
- Residential units
- 16
- Building type
- Walk-up apartment building
- Land use
- Mixed residential and commercial
- Zoning district
- R6
- Lot area
- 4,400 sq ft
- Building area
- 14,080 sq ft
The apartments
32 condominium apartments are assessed on this block, and the typical one is 982 sq ft (91 m²). They run from 36 to 133 m².
The city values the typical one at $178,042. That is the Department of Finance’s market valuation for tax, not an asking price and not a sale.
Owner of record
PLATINUM 850 INC.
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 Sep 14, 2026. They describe the tax lot, not any single filing. When the rest of New York went up
Violation record
Are there open violations here?
The Department of Buildings has 1 open notice on record for this building, out of 15 notices on file; the most recent was issued Aug 16, 1993.
- Local law 62/91 - boilers
Issued Aug 16, 1993
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 Sep 14, 2026.
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 3137830. 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 1 recorded as completed, 1 approved. Each filing page preserves its own status, dates, scope and source identifier.
- First included filing
- Apr 6, 2021
- Latest recorded change
- Aug 2, 2022
- Highest proposed story count
- Not stated
- Highest proposed unit count
- 16 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.
Address alerts
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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
Installation of new Sprinkler system in cellar, new sprinkler water service/DCDA in existing legal Day Care Center in cellar level of mixed-use building. Filing B00486680-I1.
- Alteration approved02
Filing B00486680-I1 reached an approved status.
- Permit recorded for alteration03
DOB lists a first permit date for B00486680-I1. That is not by itself confirmation of activity on site.
- Alteration filed04
Installation of new Sprinkler system in cellar, new sprinkler water service/DCDA in existing legal Day Care Center in cellar level of mixed-use building. Filing B00486680-P1.
- Alteration approved05
Filing B00486680-P1 reached an approved status.
- Alteration now approved06
The latest status recorded for B00486680-P1 is “Approved.”
- Alteration signed off07
DOB recorded a sign-off for B00486680-I1.
- Alteration now completed08
The latest status recorded for B00486680-I1 is “LOC Issued.”