Alteration filingAug 25
DOB filing B00266320-I1
Alteration filing at 550 Prospect Place
Recorded as completed$266,000 recorded cost
Open filing Building record · BIN 3428528
550 Prospect Place
550 Prospect Place, Brooklyn, NY 11238
A consolidated, filing-by-filing view of DOB records matched to this building identifier. The current snapshot links 6 independently sourced records, including 2 that are not recorded as completed, closed or withdrawn.
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BUILDING RECORD · BIN 3428528
550 Prospect Place
Crown Heights (North), Brooklyn
A consolidated public-record view · updated Aug 25, 2021
- DOB filings
- 6
- Active-status
- 2
- Recorded addresses
- 1
A building-level summary of matched filings, active-status records and published identifiers.
Matched filings6
Open or active-status records2
First included filingNov 23, 2019
Latest recorded changeAug 25, 2021
The lot
What is already here?
The lot holds a 7-story elevator apartment building built in 2020, with 41 homes, on a 7,852 sq ft lot.
- Floors 2–7Homes41 homes are recorded on this lot — about 7 homes to a floor, and the apartments assessed on this block run to a typical 1,000 sq ft (93 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
- Homes41 recorded · typically 93 m² · valued $293,801
- Above the southern skylineFrom about floor 9 — the tallest thing within 60 m to the south is 25.9 m
- Built
- 2020
- Floors
- 7
- Residential units
- 41
- Building type
- Elevator apartment building
- Land use
- Mixed residential and commercial
- Zoning district
- R6A
- Lot area
- 7,852 sq ft
- Building area
- 46,359 sq ft
The apartments
44 condominium apartments are assessed on this block, and the typical one is 1,000 sq ft (93 m²). They run from 62 to 120 m².
The city values the typical one at $293,801. That is the Department of Finance’s market valuation for tax, not an asking price and not a sale.
What it sold for
2 apartments on this tax block changed hands in the year the city last published, at a median of $1,390,000.
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
NYC TRANSIT
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 2 open notices on record for this building, out of 4 notices on file; the most recent was issued Aug 2, 2024.
- Failure to
Issued Aug 2, 2024 — FAILURE TO FILE BENCHMARKING REPORT OF ENERGY USE AS PER AD. CODE SEC. 28-309.4
- Failure to
Issued May 2, 2024 — FAILURE TO FILE BENCHMARKING REPORT OF ENERGY USE AS PER AD. CODE SEC. 28-309.4
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 3428528. They should not be read as a single construction project unless the underlying filings say so.
The matched set includes 6 alteration filing. Its latest status categories are 4 recorded as completed, 2 approved. Each filing page preserves its own status, dates, scope and source identifier.
- First included filing
- Nov 23, 2019
- Latest recorded change
- Aug 25, 2021
- Highest proposed story count
- Not stated
- Highest proposed unit count
- 46 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 6 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 sprinkler and standpipe system in conjunction with new building application #321593432. no change in use, egress or occupancy. Filing B00266320-I1.
- Alteration approved02
Filing B00266320-I1 reached an approved status.
- Alteration filed03
Construction fence file in conjunction with NB job #321593432. Filing B00283917-I1.
- Alteration approved04
Filing B00283917-I1 reached an approved status.
- Permit recorded for alteration05
DOB lists a first permit date for B00283917-I1. That is not by itself confirmation of activity on site.
- Alteration filed06
Curb cut filed in conjunction with NB job #321593432. Filing B00317506-I1.
- Alteration approved07
Filing B00317506-I1 reached an approved status.
- Alteration filed08
Installation of sidewalk shed and pipe scaffold , roof protection as per plans. sidewalk shed live load will be 300 psf, all equipment shall comply with chapter #33 of the 2014 code no change to use, egress or occupancy. Filing B00370273-I1.
- Permit recorded for alteration09
DOB lists a first permit date for B00370273-I1. That is not by itself confirmation of activity on site.
- Permit recorded for alteration010
DOB lists a first permit date for B00266320-I1. That is not by itself confirmation of activity on site.
- Alteration filed011
Installation of sidewalk shed and pipe scaffold , roof protection as per plans. sidewalk shed live load will be 300 psf, all equipment shall comply with chapter #33 of the 2014 code no change to use, egress or occupancy. Filing B00370273-P1.
- Alteration approved012
Filing B00370273-P1 reached an approved status.
- Alteration now approved013
The latest status recorded for B00370273-P1 is “Approved.”
- Permit recorded for alteration014
DOB lists a first permit date for B00317506-I1. That is not by itself confirmation of activity on site.
- Alteration signed off015
DOB recorded a sign-off for B00370273-I1.
- Alteration now completed016
The latest status recorded for B00370273-I1 is “LOC Issued.”
- Alteration signed off017
DOB recorded a sign-off for B00283917-I1.
- Alteration now completed018
The latest status recorded for B00283917-I1 is “LOC Issued.”
- Alteration signed off019
DOB recorded a sign-off for B00317506-I1.
- Alteration now completed020
The latest status recorded for B00317506-I1 is “LOC Issued.”
- Alteration filed021
Installation of sprinkler and standpipe system in conjunction with new building application #321593432. no change in use, egress or occupancy. Filing B00266320-P2.
- Alteration approved022
Filing B00266320-P2 reached an approved status.
- Alteration now approved023
The latest status recorded for B00266320-P2 is “Approved.”
- Alteration signed off024
DOB recorded a sign-off for B00266320-I1.
- Alteration now completed025
The latest status recorded for B00266320-I1 is “LOC Issued.”