Alteration filingJan 9
DOB filing B00657371-I1
Alteration filing at 9 Pierrepont Street
Recorded as completed$72,000 recorded cost
Open filing Building record · BIN 3001733
9 Pierrepont Street
9 Pierrepont Street, Brooklyn, NY 11201
A consolidated, filing-by-filing view of DOB records matched to this building identifier. The current snapshot links 3 independently sourced records, including 0 that are not recorded as completed, closed or withdrawn.
newyorkdailyStreet Futures
BUILDING RECORD · BIN 3001733
9 Pierrepont Street
Brooklyn Heights, Brooklyn
A consolidated public-record view · updated Jan 9, 2026
- DOB filings
- 3
- Active-status
- 0
- Recorded addresses
- 1
A building-level summary of matched filings, active-status records and published identifiers.
Matched filings3
Open or active-status records0
First included filingAug 7, 2019
Latest recorded changeJan 9, 2026
The lot
What is already here?
The lot holds a 4-story walk-up apartment building built in 1856, on a 3,600 sq ft lot.
- Floors 2–4Homes2 homes are recorded on this lot — a home spread over more than one floor, and the apartments assessed on this block run to a typical 1,541 sq ft (143 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
- Homes2 recorded · typically 143 m² · valued $539,001
- Above the southern skylineFrom about floor 16 — the tallest thing within 60 m to the south is 45.5 m
- Built
- 1856
- Floors
- 4
- Residential units
- 2
- Building type
- Walk-up apartment building
- Land use
- Walk-up apartments
- Zoning district
- R6
- Lot area
- 3,600 sq ft
- Building area
- 7,155 sq ft
- Historic district
- Brooklyn Heights Historic District
The apartments
88 condominium apartments are assessed on this block, and the typical one is 1,541 sq ft (143 m²). They run from 39 to 578 m².
The city values the typical one at $539,001. That is the Department of Finance’s market valuation for tax, not an asking price and not a sale.
What it sold for
10 apartments on this tax block changed hands in the year the city last published, at a median of $4,400,000, from 550,000 to 11,500,000.
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
25 PIERREPONT REALTY LLC
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. 4 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 3001733. They should not be read as a single construction project unless the underlying filings say so.
The matched set includes 3 alteration filing. Its latest status categories are 3 recorded as completed. Each filing page preserves its own status, dates, scope and source identifier.
- First included filing
- Aug 7, 2019
- Latest recorded change
- Jan 9, 2026
- Highest proposed story count
- Not stated
- Highest proposed unit count
- 2 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 3 matched filings, in the order it was recorded. A date marks what entered the public record, not what happened on site.
- Alteration filed01
DOB received filing B00204786-I1.
- Alteration approved02
Filing B00204786-I1 reached an approved status.
- Alteration filed03
Revise Chimney location as indicated on plans. No change to egress, occupancy or use. Filing B00204786-S1.
- Alteration approved04
Filing B00204786-S1 reached an approved status.
- Permit recorded for alteration05
DOB lists a first permit date for B00204786-I1. That is not by itself confirmation of activity on site.
- Permit recorded for alteration06
DOB lists a first permit date for B00204786-S1. That is not by itself confirmation of activity on site.
- Alteration signed off07
DOB recorded a sign-off for B00204786-I1.
- Alteration now completed08
The latest status recorded for B00204786-I1 is “LOC Issued.”
- Alteration filed09
Filing to replace split AC system with two (2) Split HVAC Systems for Duplex apartment at 3rd & 4th floor. Filing B00657371-I1.
- Alteration approved010
Filing B00657371-I1 reached an approved status.
- Permit recorded for alteration011
DOB lists a first permit date for B00657371-I1. That is not by itself confirmation of activity on site.
- Alteration signed off012
DOB recorded a sign-off for B00204786-S1.
- Alteration now completed013
The latest status recorded for B00204786-S1 is “LOC Issued.”
- Alteration signed off014
DOB recorded a sign-off for B00657371-I1.
- Alteration now completed015
The latest status recorded for B00657371-I1 is “LOC Issued.”