Alteration filingApr 19
DOB filing B00022628-I1
Alteration filing at 5621 20 Avenue
Recorded as completed$20,600 recorded cost
Open filing Building record · BIN 3131009
5621 20 Avenue
5621 20 Avenue, Brooklyn, NY 11204
A consolidated, filing-by-filing view of DOB records matched to this building identifier. The current snapshot links 4 independently sourced records, including 0 that are not recorded as completed, closed or withdrawn.
newyorkdailyStreet Futures
BUILDING RECORD · BIN 3131009
5621 20 Avenue
Mapleton-Midwood (West), Brooklyn
A consolidated public-record view · updated Apr 19, 2022
- DOB filings
- 4
- Active-status
- 0
- Recorded addresses
- 2
A building-level summary of matched filings, active-status records and published identifiers.
Matched filings4
Open or active-status records0
First included filingMar 9, 2018
Latest recorded changeApr 19, 2022
The lot
What is already here?
The lot holds a 3-story warehouse built in 1931, on a 4,580 sq ft lot.
- Floors 2–3Nothing on record
- Floor 1Street levelStreet level. The lot is recorded as industrial and manufacturing.
- Street levelIndustrial and manufacturing
- Above the southern skylineFrom about floor 5 — the tallest thing within 60 m to the south is 13.1 m
- Built
- 1931
- Last altered
- 2019
- Floors
- 3
- Residential units
- 0
- Building type
- Warehouse
- Land use
- Industrial and manufacturing
- Zoning district
- R5
- Lot area
- 4,580 sq ft
- Building area
- 14,780 sq ft
The apartments
78 condominium apartments are assessed on this block, and the typical one is 2,170 sq ft (202 m²). They run from 97 to 268 m².
The city values the typical one at $1,667,091. That is the Department of Finance’s market valuation for tax, not an asking price and not a sale.
What it sold for
5 apartments on this tax block changed hands in the year the city last published, at a median of $995,000, from 282,000 to 1,610,000.
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
WASHINGTON CEMETRY CORP
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?
No open violations are recorded for this building. 11 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 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 3131009. They should not be read as a single construction project unless the underlying filings say so.
The matched set includes 4 alteration filing. Its latest status categories are 4 recorded as completed. Each filing page preserves its own status, dates, scope and source identifier.
- First included filing
- Mar 9, 2018
- Latest recorded change
- Apr 19, 2022
- Highest proposed story count
- Not stated
- Highest proposed unit count
- Not stated
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 4 matched filings, in the order it was recorded. A date marks what entered the public record, not what happened on site.
- Alteration filed01
AT&T WIRELESS. Replacement of existing telecommunications antennas with replacement/installation of RRH units on roof. Retrofit of cabinets in the existing equipment room in cellar. All work in compliance with TPPN 5/98. No change to occupancy, use, or egress. Filing B00022628-I1.
- Alteration approved02
Filing B00022628-I1 reached an approved status.
- Permit recorded for alteration03
DOB lists a first permit date for B00022628-I1. That is not by itself confirmation of activity on site.
- Alteration filed04
Mechanical filing herewith, in conjunction to alt-ii application #321987999. Filing B00281324-I1.
- Alteration approved05
Filing B00281324-I1 reached an approved status.
- Permit recorded for alteration06
DOB lists a first permit date for B00281324-I1. That is not by itself confirmation of activity on site.
- Alteration filed07
AT&T - Replacement of existing antennas & RRH units with installation of RRH units. Retrofit of existing cabinet in the existing equipment room in the basement. All work in compliance with TPPN 5/98. No change to occupancy, use or egress. Filing B00343156-I1.
- Alteration signed off08
DOB recorded a sign-off for B00281324-I1.
- Alteration filed09
Application filed herewith to obtain new certificate of compliance (eup) for roof-top condenser HVAC unit replacement, HVAC unit serving third floor commercial space, no new ducting involved. Filing B00367899-I1.
- Alteration approved010
Filing B00367899-I1 reached an approved status.
- Permit recorded for alteration011
DOB lists a first permit date for B00367899-I1. That is not by itself confirmation of activity on site.
- Alteration approved012
Filing B00343156-I1 reached an approved status.
- Permit recorded for alteration013
DOB lists a first permit date for B00343156-I1. That is not by itself confirmation of activity on site.
- Alteration signed off014
DOB recorded a sign-off for B00367899-I1.
- Alteration signed off015
DOB recorded a sign-off for B00343156-I1.
- Alteration now completed016
The latest status recorded for B00281324-I1 is “LOC Issued.”
- Alteration now completed017
The latest status recorded for B00343156-I1 is “LOC Issued.”
- Alteration now completed018
The latest status recorded for B00367899-I1 is “LOC Issued.”
- Alteration signed off019
DOB recorded a sign-off for B00022628-I1.
- Alteration now completed020
The latest status recorded for B00022628-I1 is “LOC Issued.”