Alteration filingSep 25
DOB filing B01433879-I1
Alteration filing at 505 Court Street
Approved10 proposed stories
Open filing Building record · BIN 3397571
505 Court Street
505 Court Street, Brooklyn, NY 11231
A consolidated, filing-by-filing view of DOB records matched to this building identifier. The current snapshot links 14 independently sourced records, including 9 that are not recorded as completed, closed or withdrawn.
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BUILDING RECORD · BIN 3397571
505 Court Street
Carroll Gardens-Cobble Hill-Gowanus-Red Hook, Brooklyn
A consolidated public-record view · updated Sep 25, 2026
- DOB filings
- 14
- Active-status
- 9
- Recorded addresses
- 1
A building-level summary of matched filings, active-status records and published identifiers.
Matched filings14
Open or active-status records9
First included filingNov 26, 2019
Latest recorded changeSep 25, 2026
The lot
What is already here?
The lot holds a 10-story condominium built in 1930, with 124 homes, on a 37,198 sq ft lot.
- Floors 8–10Above the southern skylineAbove the tallest building within sixty metres to the south, which stands 21.7 m. Nothing on that side reaches this floor.
- Floors 2–7Homes124 homes are recorded on this lot — about 14 homes to a floor, and the apartments assessed on this block run to a typical 1,097 sq ft (102 m²). The city does not publish which floor any of them is on.
- Floor 1Street levelStreet level. The lot is recorded as elevator apartments.
- Street levelElevator apartments
- Homes124 recorded · typically 102 m² · valued $227,311
- Above the southern skylineFrom about floor 8 — the tallest thing within 60 m to the south is 21.7 m
- Built
- 1930
- Last altered
- 2005
- Floors
- 10
- Residential units
- 124
- Building type
- Condominium
- Land use
- Elevator apartments
- Zoning district
- R6A
- Lot area
- 37,198 sq ft
- Building area
- 134,943 sq ft
Housing violations
39 violations are open against this address under the Housing Maintenance Code. 1 of them is the class the city calls immediately hazardous.
- 1Immediately hazardous
- 19Hazardous
- 19Non-hazardous
- 0Information order
Open means the Department of Housing Preservation and Development has not recorded it as corrected, which is not the same as nobody having fixed it. The city publishes the apartment each was written against; that is not carried here, because a count says a building has a problem and an apartment number says whose.
The apartments
124 condominium apartments are assessed on this block, and the typical one is 1,097 sq ft (102 m²). They run from 65 to 197 m².
The city values the typical one at $227,311. That is the Department of Finance’s market valuation for tax, not an asking price and not a sale.
What it sold for
3 apartments on this tax block changed hands in the year the city last published, at a median of $1,375,000, from 945,000 to 2,025,000.
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
509-15 COURT HOUSING 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 30, 2026. They describe the tax lot, not any single filing. When the rest of New York went up
On the market here
2 homes at this address are currently listed for sale by Coldwell Banker and Douglas Elliman. Prices move; the brokerage’s own page is the one that is current, and every row here links to it.
| Unit | Rooms | Size | Price | Per sq ft | Listed by |
|---|---|---|---|---|---|
| Unit 5HFor sale | 2 bd · 2 ba | 1,136 sq ft106 m² | $1,700,000 | $1,496 | Coldwell Banker |
| Unit 5HFor sale | Price not read | Douglas Elliman |
Read from the brokerages’ own published listings on October 4, 2026. A home drops off this table the next time they publish a list without it — usually because it sold or let, though a listing can also expire or be withdrawn. What we know is that it is no longer offered, which is why this shows what they have today rather than what we were told once. Everything on the market across the city.
Violation record
Are there open violations here?
The Department of Buildings has 1 open notice on record for this building, out of 44 notices on file; the most recent was issued Mar 28, 1991.
- Construction
Issued Mar 28, 1991
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 29, 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 3397571. They should not be read as a single construction project unless the underlying filings say so.
The matched set includes 14 alteration filing. Its latest status categories are 9 approved, 5 recorded as completed. Each filing page preserves its own status, dates, scope and source identifier.
- First included filing
- Nov 26, 2019
- Latest recorded change
- Sep 25, 2026
- Highest proposed story count
- 10 stories
- Highest proposed unit count
- 124 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 14 matched filings, in the order it was recorded. A date marks what entered the public record, not what happened on site.
- Alteration filed01
Filing for the installation of new plumbing fixture, replacement of select existing fixtures and related plumbing work. No change to use, egress or occupancy. Filing B00261225-I1.
- Alteration filed02
Filing for the replacement of existing convector heaters and related mechanical work. no change to use, egress, or occupancy. Filing B00262770-I1.
- Alteration approved03
Filing B00261225-I1 reached an approved status.
- Alteration approved04
Filing B00262770-I1 reached an approved status.
- Permit recorded for alteration05
DOB lists a first permit date for B00261225-I1. That is not by itself confirmation of activity on site.
- Alteration now approved06
The latest status recorded for B00262770-I1 is “Approved.”
- Alteration filed07
Energy palns filed in conjuction with application number 322044934, no change in use egress or occupancy. Filing B00459954-I1.
- Alteration approved08
Filing B00459954-I1 reached an approved status.
- Permit recorded for alteration09
DOB lists a first permit date for B00459954-I1. That is not by itself confirmation of activity on site.
- Alteration filed010
Plumbing work at existing unit 6r & 6s. removal of six (6) fixtures, replacement of five (5) fixtures, relocation of seven (7) fixtures, and new installation of four (3) fixtures. general construction work is filed separately. Filing B00513104-I1.
- Alteration filed011
Combination of apartments 6r & 6s. all work must comply with tppn #3/97. new partitions. no change in use, occupancy or egress. Filing B00516964-I1.
- Alteration filed012
Installation of heavy duty sidewalk shed during bldg alteration, filed sep. sidewalk shed shall comply with ch #33 of the NYC bc. no change in use, occupancy or egress under this application. Filing B00529353-I1.
- Permit recorded for alteration013
DOB lists a first permit date for B00529353-I1. That is not by itself confirmation of activity on site.
- Alteration approved014
Filing B00516964-I1 reached an approved status.
- Alteration approved015
Filing B00513104-I1 reached an approved status.
- Alteration filed016
Propose interior renovation with minior partitions for new bathroom at existing apt #5h as per plan. plumbing work filed separately. no change in use, egress, and occupancy. Filing B00555353-I1.
- Alteration approved017
Filing B00555353-I1 reached an approved status.
- Alteration filed018
Proposer plumbing work inconjunction with arch design as per plan. no change in use, egress,and occupancy. Filing B00558965-I1.
- Alteration approved019
Filing B00558965-I1 reached an approved status.
- Permit recorded for alteration020
DOB lists a first permit date for B00516964-I1. That is not by itself confirmation of activity on site.
- Permit recorded for alteration021
DOB lists a first permit date for B00558965-I1. That is not by itself confirmation of activity on site.
- Permit recorded for alteration022
DOB lists a first permit date for B00555353-I1. That is not by itself confirmation of activity on site.
- Permit recorded for alteration023
DOB lists a first permit date for B00513104-I1. That is not by itself confirmation of activity on site.
- Alteration now approved024
The latest status recorded for B00558965-I1 is “Permit Entire.”
- Alteration now approved025
The latest status recorded for B00555353-I1 is “Permit Entire.”
- Alteration filed026
Repairs to exterior structural elements and facade repairs. Steel repairs at fire stair, steel repairs at water tank dunnage. No change in use egress or occupancy under this application. Filing B00634083-I1.
- Alteration approved027
Filing B00634083-I1 reached an approved status.
- Permit recorded for alteration028
DOB lists a first permit date for B00634083-I1. That is not by itself confirmation of activity on site.
- Alteration filed029
Filing for the installation of new plumbing fixture, replacement of select existing fixtures and related plumbing work. No change to use, egress or occupancy. Filing B00261225-P1.
- Alteration now approved030
The latest status recorded for B00261225-I1 is “Permit Entire.”
- Alteration approved031
Filing B00261225-P1 reached an approved status.
- Alteration now approved032
The latest status recorded for B00261225-P1 is “Approved.”
- Alteration filed033
Energy palns filed in conjuction with application number 322044934, no change in use egress or occupancy. Filing B00459954-P1.
- Alteration approved034
Filing B00459954-P1 reached an approved status.
- Alteration now approved035
The latest status recorded for B00459954-P1 is “Approved.”
- Alteration signed off036
DOB recorded a sign-off for B00459954-I1.
- Alteration now completed037
The latest status recorded for B00459954-I1 is “LOC Issued.”
- Alteration filed038
Combination of apartments 6r & 6s. all work must comply with tppn #3/97. new partitions. no change in use, occupancy or egress. Filing B00516964-P1.
- Alteration filed039
Plumbing work at existing unit 6r & 6s. removal of six (6) fixtures, replacement of five (5) fixtures, relocation of seven (7) fixtures, and new installation of four (3) fixtures. general construction work is filed separately. Filing B00513104-P1.
- Alteration approved040
Filing B00513104-P1 reached an approved status.
- Alteration now approved041
The latest status recorded for B00513104-P1 is “Approved.”
- Alteration approved042
Filing B00516964-P1 reached an approved status.
- Alteration now approved043
The latest status recorded for B00516964-P1 is “Approved.”
- Alteration signed off044
DOB recorded a sign-off for B00513104-I1.
- Alteration now completed045
The latest status recorded for B00513104-I1 is “LOC Issued.”
- Alteration signed off046
DOB recorded a sign-off for B00516964-I1.
- Alteration now completed047
The latest status recorded for B00516964-I1 is “LOC Issued.”
- Alteration signed off048
DOB recorded a sign-off for B00529353-I1.
- Alteration now completed049
The latest status recorded for B00529353-I1 is “LOC Issued.”
- Alteration signed off050
DOB recorded a sign-off for B00634083-I1.
- Alteration now completed051
The latest status recorded for B00634083-I1 is “LOC Issued.”
- Alteration filed052
Create new bedroom in existing apartment. Replace aluminum windows with new insulated swing doors and windows. Replace outdoor deck with brick patio and relocate HVAC condensers. Per submittal drawings attached to this filing. Filing B01433879-I1.
- Alteration approved053
Filing B01433879-I1 reached an approved status.
- Permit recorded for alteration054
DOB lists a first permit date for B01433879-I1. That is not by itself confirmation of activity on site.
- Alteration now approved055
The latest status recorded for B01433879-I1 is “Permit Entire.”