Alteration filingOct 2
DOB filing B01445027-I1
Alteration filing at 424 Leonard Street
Approved4 proposed stories
Open filing Building record · BIN 3067788
424 Leonard Street
424 Leonard Street, Brooklyn, NY 11222
A consolidated, filing-by-filing view of DOB records matched to this building identifier. The current snapshot links 5 independently sourced records, including 5 that are not recorded as completed, closed or withdrawn.
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BUILDING RECORD · BIN 3067788
424 Leonard Street
Greenpoint, Brooklyn
A consolidated public-record view · updated Oct 2, 2026
- DOB filings
- 5
- Active-status
- 5
- Recorded addresses
- 2
A building-level summary of matched filings, active-status records and published identifiers.
Matched filings5
Open or active-status records5
First included filingDec 16, 2024
Latest recorded changeOct 2, 2026
The lot
What is already here?
The lot holds a 4-story educational building built in 1966, on a 131,700 sq ft lot.
- Floors 3–4Above the southern skylineAbove the tallest building within sixty metres to the south, which stands 8 m. Nothing on that side reaches this floor.
- Floor 2Nothing on record
- Floor 1Street levelStreet level. The lot is recorded as public facilities and institutions.
- Street levelPublic facilities and institutions
- Above the southern skylineFrom about floor 3 — the tallest thing within 60 m to the south is 8 m
- Built
- 1966
- Last altered
- 2009
- Floors
- 4
- Residential units
- 0
- Building type
- Educational building
- Land use
- Public facilities and institutions
- Zoning district
- M1-2/R6
- Lot area
- 131,700 sq ft
- Building area
- 149,046 sq ft
Owner of record
NYC PARKS
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 Oct 6, 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 3 open notices on record for this building, out of 30 notices on file; the most recent was issued Aug 16, 1993.
- Local law 62/91 - boilers
Issued Aug 16, 1993
- Local law 62/91 - boilers
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 Oct 6, 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 3067788. They should not be read as a single construction project unless the underlying filings say so.
The matched set includes 5 alteration filing. Its latest status categories are 5 approved. Each filing page preserves its own status, dates, scope and source identifier.
- First included filing
- Dec 16, 2024
- Latest recorded change
- Oct 2, 2026
- Highest proposed story count
- 4 stories
- 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 5 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 temporary construction fence for jhs 126k at 424 leonard street, brooklyn in conjunction with alt# b01014531 as indicated on plans. there will be no change in the use, egress, or occupancy under this application. Filing B01125627-I1.
- Alteration approved02
Filing B01125627-I1 reached an approved status.
- Permit recorded for alteration03
DOB lists a first permit date for B01125627-I1. That is not by itself confirmation of activity on site.
- Alteration filed04
Installation of temporary construction shoring for excavation jhs 126k at 424 leonard street, brooklyn in conjunction with alt# b01014531, b01125627 as indicated on plans. there will be no change in the use, egress, or occupancy under this application. Filing B01177224-I1.
- Alteration filed05
Installation of temporary construction fence for jhs 126k at 424 leonard street, brooklyn in conjunction with alt# b01014531 as indicated on plans. there will be no change in the use, egress, or occupancy under this application. Filing B01125627-P1.
- Alteration approved06
Filing B01177224-I1 reached an approved status.
- Alteration filed07
Installation of New Vacuum Condensate Pumping Station, Boiler Feed Unit, Chemical Treatment Feeder, Associated Controls, Piping Wiring, Valves and Accessories. Installation of Secondary Backflow Preventor, LWCO's and House Keeping Pads. Filing B01445027-I1.
- Alteration filed08
Replacement of Primary and Secondary MM LWCO (Primary and Secondary) on side of each the existing boilers (Typical for 3 Boilers). Filing B01445027-S1.
- Alteration approved09
Filing B01125627-P1 reached an approved status.
- Alteration now approved010
The latest status recorded for B01125627-P1 is “Approved.”
- Permit recorded for alteration011
DOB lists a first permit date for B01177224-I1. That is not by itself confirmation of activity on site.
- Alteration now approved012
The latest status recorded for B01177224-I1 is “Permit Entire.”
- Alteration now approved013
The latest status recorded for B01125627-I1 is “Permit Entire.”
- Alteration approved014
Filing B01445027-I1 reached an approved status.
- Alteration now approved015
The latest status recorded for B01445027-I1 is “Approved.”
- Alteration approved016
Filing B01445027-S1 reached an approved status.
- Alteration now approved017
The latest status recorded for B01445027-S1 is “Approved.”