Alteration filingJun 15
DOB filing B00447694-S4
Alteration filing at 340 Frost Street
Approved7 proposed stories
Open filing Building record · BIN 3327831
340 Frost Street
340 Frost Street, Brooklyn, NY 11222
A consolidated, filing-by-filing view of DOB records matched to this building identifier. The current snapshot links 4 independently sourced records, including 4 that are not recorded as completed, closed or withdrawn.
A building-level summary of matched filings, active-status records and published identifiers.
Matched filings4
Open or active-status records4
First included filingJan 27, 2021
Latest recorded changeJun 15, 2026
The lot
What is already here?
The lot holds a 8-story elevator apartment building built in 1950, with 700 homes, on a 510,960 sq ft lot.
- Built
- 1950
- Floors
- 8
- Residential units
- 700
- Building type
- Elevator apartment building
- Land use
- Elevator apartments
- Zoning district
- R6
- Lot area
- 510,960 sq ft
- Building area
- 611,340 sq ft
Lot facts come from NYC Department of City Planning, Primary Land Use Tax Lot Output (PLUTO) (64uk-42ks), accessed Sep 2, 2026. They describe the tax lot, not any single filing.
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 3327831. 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 approved. Each filing page preserves its own status, dates, scope and source identifier.
- First included filing
- Jan 27, 2021
- Latest recorded change
- Jun 15, 2026
- Highest proposed story count
- 7 stories
- Highest proposed unit count
- 56 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 4 matched filings, in the order it was recorded. A date marks what entered the public record, not what happened on site.
- Alteration filed01
Building 6 - Work in Tank room only- Demolition of steam and condensate piping, condensate pumps and vacuum pumps. Replacement of condensate pumps, vacuum pumps and piping. New flues for domestic hot water heaters. Filing B00447694-I1.
- Alteration filed02
Building 6 -Removal of HW tank/heater, cold water supply & HW supply/return to tank.Install new gas DHW Htr,, HW re-circ pumps; new gas piping to DHW Htr; new hot & cold water supply/return piping to DHW Htr; install temp DHW Htr as shown on plans. Filing B00447668-I1.
- Alteration approved03
Filing B00447694-I1 reached an approved status.
- Alteration approved04
Filing B00447668-I1 reached an approved status.
- Alteration filed05
Building 6 - provide loose lintel for louver opening of masonry wall. repair and extend ex. concrete pad. provide boiler access platform. Filing B00447694-S1.
- Alteration approved06
Filing B00447694-S1 reached an approved status.
- Alteration filed07
NYCHA BOILER- BLDG 6 - Architectural work being filed in conjunction with Cooper Houses and all related applications. Filing B00447694-S4.
- Alteration approved08
Filing B00447694-S4 reached an approved status.
- Permit recorded for alteration09
DOB lists a first permit date for B00447694-S1. That is not by itself confirmation of activity on site.
- Permit recorded for alteration010
DOB lists a first permit date for B00447694-S4. That is not by itself confirmation of activity on site.
- Permit recorded for alteration011
DOB lists a first permit date for B00447694-I1. That is not by itself confirmation of activity on site.
- Permit recorded for alteration012
DOB lists a first permit date for B00447668-I1. That is not by itself confirmation of activity on site.
- Alteration now approved013
The latest status recorded for B00447694-S1 is “Permit Entire.”
- Alteration now approved014
The latest status recorded for B00447694-I1 is “Permit Entire.”
- Alteration now approved015
The latest status recorded for B00447668-I1 is “Permit Entire.”
- Alteration now approved016
The latest status recorded for B00447694-S4 is “Permit Entire.”