Open ViolationsA public record project
/

900 Knickerbocker Avenue, Brooklyn

$48,704.00 recorded as due
Export CSV
OverviewHealth scoreTimelineFinesOwner

900 Knickerbocker Avenue at a glance

900 Knickerbocker Avenue, Brooklyn has 0 open city records on file, none of them Class C, and $48,704.00 recorded as due on OATH/ECB summonses. No marshal evictions are on record for this building. The most recent record is dated May 14, 2026.

Open Class C
0
Immediately hazardous — click to see them
Open Class B
0
Hazardous — click to see them
Open Class A
0
Non-hazardous — click to see them
Fines due
$48,704.00
Balance on OATH/ECB summonses
Open per unit
0.00
6 residential units · NYC average 0.37
Evictions
0
No marshal evictions on record
Permits on file
0
Construction permits filed with DOB
Last activity
May 14, 2026
DSNY record

Health score for 900 Knickerbocker Avenue

A composite of the public indicators below. How it is scored.

B
Health score · Sep 2, 2026
Scored from all 48 public records for this building
Scored from city records as published, which lag reality by a day or two, and closed violations rest on owner self-certification. A grade summarizes the public record, not the building itself. Full methodology · report a problem
Open Class C violations
Immediately hazardous, uncertified
This building 0
Open Class B violations
Hazardous
This building 0
Heat & hot water records
Violations and complaints, last 24 months
This building 0
Unpaid penalties
OATH/ECB summonses with balance due
This building $48,704
Bedbug filings with infestations
Annual LL69 filings on record
This building 0
Tenant litigation
Open HP actions in Housing Court
This building 0
Active vacate order
HPD or FDNY order to vacate, still in effect
This building No

Record timeline for 900 Knickerbocker Avenue

48 records on file, every agency interleaved. Class A, B and C are HPD’s hazard tiers: C is immediately hazardous, A and B explained here.

Download this timeline (CSV) →

OATH / ECB summonses & fines at 900 Knickerbocker Avenue

$48,704.00 is recorded as due across the 24 summonses below, out of $52,829.00 in penalties imposed. Balances are as the city publishes them; a settlement or write-off that never reached the dataset will not show here. New to these? How an OATH summons becomes a penalty, explained.

OATH and ECB summonses for 900 Knickerbocker Avenue
049927244XJul 9, 2026IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1STOct 8, 2026Pending—
0704242230Jun 23, 2026FAILURE TO PROPERLY SEAL AND MAINTAIN THE WEARING COURSESep 17, 2026Pending$250.00
049885261PJun 11, 2026IMPROPER RECEPTACLE FAILURE TO CONTAINERIZE - RESIDENTIAL 1STSep 10, 2026Pending$50.00
0704179897Apr 21, 2026FAILURE TO PROPERLY SEAL AND MAINTAIN THE WEARING COURSEJul 16, 2026Defaulted (did not respond)$280.00
0704071749Nov 29, 2025FAILURE TO PROPERLY SEAL AND MAINTAIN THE WEARING COURSEMar 5, 2026Defaulted (did not respond)$750.00
0704036832Oct 12, 2025FAILURE TO PROPERLY SEAL AND MAINTAIN THE WEARING COURSEJan 22, 2026Defaulted (did not respond)$750.00
0703996251Sep 6, 2025FAILURE TO PROPERLY SEAL AND MAINTAIN THE WEARING COURSEDec 11, 2025Defaulted (did not respond)$750.00
0703959778Jul 26, 2025FAILURE TO PROPERLY SEAL AND MAINTAIN THE WEARING COURSEOct 30, 2025Defaulted (did not respond)$750.00
0703925256Jun 15, 2025FAILURE TO PROPERLY SEAL AND MAINTAIN THE WEARING COURSESep 25, 2025Defaulted (did not respond)$750.00
0213038522Aug 21, 2024SPILLAGE FROM A RECEPTACLE 1ST OFFENSENov 19, 2024Defaulted (did not respond)—
012148188PMar 12, 2024FIRE PROTECTION SYSTEMS:FAIL TO PREVENT UNNECESSARY UNWARRANTED ALARMSNov 12, 2024Found in violation—
039523781HDec 1, 2023JOB SITE FENCE NOT CONSTRUCTED OR MAINTAINED PURSUANT TO SECTIONNov 18, 2024Defaulted (did not respond)$2,500.00
039523780XDec 1, 2023FAIL TO PROVIDE APPROVED OR ACCEPTED CONSTRUCTION DOCS AT JOB SITENov 18, 2024Defaulted (did not respond)$1,562.00
039523779ZDec 1, 2023FAILURE TO DESIGNATE AND OR HAVE CONSTRUCTION SUPERINTENDENT PRESENTNov 18, 2024Defaulted (did not respond)$12,500.00
1680747Dec 1, 2023OBSERVATION:CONSTRUCTION FENCE INADEQUATELY CONSTRUCTED/MAINTAINED. GANov 18, 2024Defaulted (did not respond)$2,500.00
1680684Dec 1, 2023OBSERVATION: VIO: INADEQAUTE DOCUMENTS(NO SSP,TOOLBOX,ORIENATION,DRAWINov 18, 2024Defaulted (did not respond)$1,562.00
1680681Dec 1, 2023OBSERVATION: NO SUPER INTENDENT/DESIGNATED COMPETENT PERSON ON SITE. WNov 18, 2024Defaulted (did not respond)$12,500.00
1733021Oct 11, 2023PROPSED 4 STORY NB ACTIVE JOBSITE UNDER CONSTRUCTION, I OBSERVED USE ODec 20, 2023Found in violation$625.00
039522487MOct 11, 2023MISCELLANEOUS VIOLATIONSDec 20, 2023Found in violation$625.00
1759244May 11, 2023AT THE TIME OF INSP 4 STORIES NB I OBSERVED I BEAM INSTALLED AT CMU EXFeb 22, 2024Found in violation$2,500.00
039516445NMay 11, 2023WORK DOES NOT CONFORM TO APPROVED CONST. DOCUMENTS AND OR APPROVED AMEFeb 22, 2024Found in violation$2,500.00
0703159252Jan 20, 2023FAILURE TO COMPLY WITH THE TERMS AND CONDITIONS OF DOT PERMITSApr 20, 2023SETTL IN-VIO—
039069884NSep 13, 2022CONSTRUCTION SUPERINTENDENT FAILED TO PERFORM DUTIES PER CODEApr 24, 2023Found in violation$2,500.00
1690016Sep 13, 2022CONSTRUCTION SUPERINTENDENT FAILED TO PERFORM DUTIES PER CODE. AT THETApr 24, 2023Found in violation$2,500.00