Alteration filingMar 9
DOB filing B00625110-P3
Alteration filing at 172 South 9 Street
Under review4 proposed stories
Open filing Building record · BIN 3059732
172 South 9 Street
172 South 9 Street, Brooklyn, NY 11211
A consolidated, filing-by-filing view of DOB records matched to this building identifier. The current snapshot links 6 independently sourced records, including 6 that are not recorded as completed, closed or withdrawn.
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BUILDING RECORD · BIN 3059732
172 South 9 Street
Williamsburg, Brooklyn
A consolidated public-record view · updated Mar 9, 2026
- DOB filings
- 6
- Active-status
- 6
- Recorded addresses
- 1
A building-level summary of matched filings, active-status records and published identifiers.
Matched filings6
Open or active-status records6
First included filingSep 20, 2019
Latest recorded changeMar 9, 2026
The lot
What is already here?
The lot holds a 4-story walk-up apartment building built in 1910, with 4 homes, on a 3,659 sq ft lot.
- Floors 2–4Homes4 homes are recorded on this lot — about one home to a floor, and the apartments assessed on this block run to a typical 1,564 sq ft (145 m²). The city does not publish which floor any of them is on.
- Floor 1Street levelStreet level. The lot is recorded as walk-up apartments.
- Street levelWalk-up apartments
- Homes4 recorded · typically 145 m² · valued $502,920
- Above the southern skylineFrom about floor 7 — the tallest thing within 60 m to the south is 20.4 m
- Built
- 1910
- Floors
- 4
- Residential units
- 4
- Building type
- Walk-up apartment building
- Land use
- Walk-up apartments
- Zoning district
- R6
- Lot area
- 3,659 sq ft
- Building area
- 5,880 sq ft
The apartments
5 condominium apartments are assessed on this block, and the typical one is 1,564 sq ft (145 m²). They run from 77 to 213 m².
The city values the typical one at $502,920. That is the Department of Finance’s market valuation for tax, not an asking price and not a sale.
Owner of record
THE HATZLOCHO LAKACH TRUST
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 21, 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.
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 3059732. 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 1 under review, 5 approved. Each filing page preserves its own status, dates, scope and source identifier.
- First included filing
- Sep 20, 2019
- Latest recorded change
- Mar 9, 2026
- Highest proposed story count
- 4 stories
- Highest proposed unit count
- 4 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 open terraces at building back yard floors 001-004. Filing B00225482-I1.
- Alteration filed02
Creation of new balconies at rear. Balcony calculations included in zoning lot coverage. Filing B00625110-I1.
- Alteration approved03
Filing B00225482-I1 reached an approved status.
- Alteration approved04
Filing B00625110-I1 reached an approved status.
- Permit recorded for alteration05
DOB lists a first permit date for B00225482-I1. That is not by itself confirmation of activity on site.
- Permit recorded for alteration06
DOB lists a first permit date for B00625110-I1. That is not by itself confirmation of activity on site.
- Alteration filed07
Propose to erect construction fence during construction activity of Alteration GC application no. B00625110-I1. Filing B00625110-S1.
- Alteration filed08
Creation of new balconies at rear. Balcony calculations included in zoning lot coverage. Filing B00625110-P1.
- Alteration approved09
Filing B00625110-S1 reached an approved status.
- Alteration now approved010
The latest status recorded for B00625110-S1 is “Approved.”
- Alteration approved011
Filing B00625110-P1 reached an approved status.
- Alteration now approved012
The latest status recorded for B00625110-P1 is “Approved.”
- Alteration now approved013
The latest status recorded for B00225482-I1 is “Permit Entire.”
- Alteration filed014
Creation of new balconies at rear. Balcony calculations included in zoning lot coverage. Filing B00625110-P2.
- Alteration now approved015
The latest status recorded for B00625110-I1 is “Permit Entire.”
- Alteration approved016
Filing B00625110-P2 reached an approved status.
- Alteration now approved017
The latest status recorded for B00625110-P2 is “Approved.”
- Alteration filed018
Creation of new balconies at rear. Balcony calculations included in zoning lot coverage. Filing B00625110-P3.
- Alteration now under review019
The latest status recorded for B00625110-P3 is “Objections.”