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4200 AVENUE K

Brooklyn · ZIP 11210 · BIN 3217108 · Flatlands · Last violation May 28, 2026 · Last complaint May 28, 2026

NeighborhoodFlatlands
More violations than 92.1% of nearby buildings
More violations than 92% of buildings and more complaints than 93% of buildings in Flatlands. Size-normalized against residential buildings in the neighborhood for issues in the last 10 years.
ViolationsComplaints
Activity TrendsLast 5 years
More activity recently than in past years
Last 2 yrs: 391 violations · 366 complaints
'21'26ViolationsComplaints
▼ View all activity over time
Severityⓘopen violations
79 immediately hazardous (Class C) violations still open
Class C violations include lead paint, mold, pest infestations, heat/hot water failure, and structural hazards — the most serious category.
Class Cimmediately hazardous79Class Bhazardous165
Housing Preservation & Development Violations
Total violations since 1992
862
25 per year avg.↑ Up 106% in the last 2 years (391 vs 190 prior 2 yrs)
Open violations
284
Class C (immed. haz.)ⓘ79
Class B (hazardous)ⓘ165
Rent-impairingⓘ7
Housing Preservation & Development Complaints
Total complaints since 2003
962
40 per year avg.↑ Up 331% in the last 2 years (366 vs 85 prior 2 yrs)
Complaint Resolution
No access17%Violation issued22%No violation28%Phone resolved32%Other1%(962)
Urgency breakdown
Last 12 mo.

Top violation categories

5 yrsAll time
Maintenanceⓘ211 violations
Egressⓘ118 violations
Water Supplyⓘ57 violations
Extermination & Rodent Eradicationⓘ52 violations
Cleaningⓘ45 violations
Paintingⓘ39 violations
Carbon Monoxide Detecting Devicesⓘ26 violations
Smoke Detecting Devicesⓘ23 violations
Top complaint groupsⓘ
5 yrsAll time
Heat / hot waterⓘ182 complaints
Water & plumbingⓘ92 complaints
Mold & pestsⓘ66 complaints
Bldg maintenanceⓘ54 complaints
Electricalⓘ17 complaints
Appliancesⓘ14 complaints
Safety & fireⓘ8 complaints
Adminⓘ2 complaints
Elevatorⓘ1 complaints
Hide violations ↑See complaints →

Violation log

240 violations · Class C

All classesClass AClass BClass CClass IAllOpenClosed
ClassStatusApt

Building safety complaints, construction, permits, and structural issues filed with the NYC Dept. of Buildings, are scored separately.

Building Safety →
See something wrong? File a complaint with 311
Open violation ages
▪ < 30 days7% (21)
▪ 30–90 days2% (6)
▪ 3–12 months14% (40)
▪ 1–3 years62% (177)
▪ 3+ years14% (40)
Prior 4 yr.
Immed. Emergency1%4%
Emergency70%59%
Non-Emergency29%37%
(179)
(303)
Issued
Description
Class COpen—May 28, 2026MAKE DOORS SELF-CLOSING · EGRESS§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT FIRE DOOR A AT BASEMENT AT FIRE STAIRS
Class COpen—May 28, 2026MAKE DOORS SELF-CLOSING · EGRESS§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE DOOR LEADING TO WEST SECTION AT BASEMENT AT PUBLIC HALL
Class COpen—May 26, 2026MAKE DOORS SELF-CLOSING · EGRESS§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT DOOR ENTRANCE AT 1st PUBLIC HALL STAIRS FROM EAST, 1st STORY
Class COpenC6May 21, 2026ABATE THE NUISANCE OF MICE · EXTERMINATION & RODENT ERADICATIONHMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT C6, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
Class COpenC6May 21, 2026TRACE & REPAIR THE SOURCE & ABATE THE…MOLD · CLEANING§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... GREATER THAN 30 SQ FT AT CEILING IN THE PRIVATE HALLWAY LOCATED AT APT C6, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
Class COpenC6May 21, 2026MAKE DOORS SELF-CLOSING · EGRESS§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES IN THE ENTRANCE LOCATED AT APT C6, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
Class COpenC6May 21, 2026ABATE THE NUISANCE OF ROACHES · EXTERMINATION & RODENT ERADICATIONHMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT C6, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
Class COpen—May 15, 2026REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE GLASS AT BUILDING ENTRANCE DOOR
Class COpen—May 15, 2026ABATE THE NUISANCE · MAINTENANCE§ 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF DISCARDED REFRIGERATOR WITH DOOR INTACT AT PUBLIC HALL AT BASEMENT
Class COpen—May 15, 2026MAKE DOORS SELF-CLOSING · EGRESS§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES ON THE DOOR AT EAST AT PUBLIC HALL AT BASEMENT
Class CClosed—May 4, 2026DOOR NOT SELF-CLOSING · EGRESS§ 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING CONSISTING OF KICKSTAND DEVICE AT THE DOOR LEADING TO FIRE STAIRS AT 2nd PUBLIC HALL FROM NORTH, 1st STORY
Class CClosed—May 4, 2026DOOR NOT SELF-CLOSING · EGRESS§ 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING CONSISTING OF KICKSTAND DEVICE AT THE DOOR LEADING TO WEST YARD AT 1st CELLAR FROM NORTH
Class COpen—Apr 30, 2026MAKE DOORS SELF-CLOSING · EGRESS§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT BUILDING ENTRANCE DOOR
Class CClosed—Apr 30, 2026DOOR NOT SELF-CLOSING · EGRESS§ 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING CONSISTING OF WOOD WEDGE AT FIRE STAIRS DOOR AT 2nd CELLAR FROM NORTH
Class CClosed—Mar 24, 2026MAKE DOORS SELF-CLOSING · EGRESS§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE FRAME AT DOOR FIRST FROM EAST AT NORTH AT BASEMENT, SECTION AT EAST
Class COpen3AAMar 23, 2026ABATE THE NUISANCE OF ROACHES · EXTERMINATION & RODENT ERADICATIONHMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 3AA, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH
Class COpen3AAFeb 23, 2026MAKE DOORS SELF-CLOSING · EGRESS§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES IN THE ENTRANCE LOCATED AT APT 3AA, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH
Class CClosed—Dec 29, 2025MAKE DOORS SELF-CLOSING · EGRESS§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE FIRE DOOR FRAME AT WEST AT PUBLIC HALL
Class COpen6FDec 11, 2025ABATE THE NUISANCE OF MICE · EXTERMINATION & RODENT ERADICATIONHMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 6F, 6th STORY, 4th APARTMENT FROM SOUTH AT WEST
Class COpen6FDec 11, 2025ABATE THE NUISANCE OF ROACHES · EXTERMINATION & RODENT ERADICATIONHMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 6F, 6th STORY, 4th APARTMENT FROM SOUTH AT WEST
Class CClosed—Dec 11, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE COUNTER BALANCE AT LOWER SASH AT 4TH WINDOW FROM WEST AT NORTH AT AT BASEMENT STORY. AT PUBLIC HALL
Class CClosed—Dec 11, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE GLASS PANE AT UPPER SASH 2ND WINDOW FROM WEST AT NORTH AT PUBLIC HALL
Class CClosed—Dec 10, 2025MAKE DOORS SELF-CLOSING · EGRESS§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE LATCH AT BULKHEAD DOOR ( STAIRCASE AT EAST ) BUILDING SECTION WEST , 6th STORY
Class CClosed—Dec 2, 2025MAKE DOORS SELF-CLOSING · EGRESS§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE LATCH AT FIRE DOOR LEADING TO STAIRCASE A AT PUBLIC HALL
Class CClosed—Dec 2, 2025MAKE DOORS SELF-CLOSING · EGRESS§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE HINGES AT 1ST FIRE DOOR LEADING TO NORTH YARD AT PUBLIC HALL
Class CClosed—Dec 2, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE GLASS AT UPPER WINDOW SASH 2ND WINDOW FROM WEST AT NORTH AT PUBLIC HALL
Class COpenRENT IMPAIRING3CCNov 28, 2025INADEQUATE HOT WATER · HEAT AND HOT WATER§ 27-2031 ADM CODE PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 3CC, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH
Class CClosed—Nov 19, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LOWER PANE GLASS, FOR BUILDING ENTRANCE DOOR FROM THE STREET, SOUTH SECTION OF THE BUILDING AT PUBLIC HALL
Class CClosed—Nov 13, 2025DOOR NOT SELF-CLOSING · EGRESS§ 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING TEMPORARILY INSTALLED WEDGE AT DOOR LEADING TO BASEMENT PUBLIC HALL STAIRS AT 2nd PUBLIC HALL FROM NORTH
Class CClosed—Nov 13, 2025DOOR NOT SELF-CLOSING · EGRESS§ 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING TEMPORARILY INSTALLED WEDGE AT DOOR LEADING TO 1ST STORY PUBLIC HALL STAIRS AT 2nd PUBLIC HALL FROM NORTH, 1st STORY
Class COpen1DNov 7, 2025ABATE THE NUISANCE OF MICE · EXTERMINATION & RODENT ERADICATIONHMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1D, 2nd STORY, 2nd APARTMENT FROM SOUTH AT WEST
Class COpen1DNov 7, 2025ABATE THE NUISANCE OF ROACHES · EXTERMINATION & RODENT ERADICATIONHMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1D, 2nd STORY, 2nd APARTMENT FROM SOUTH AT WEST
Class CClosed—Nov 6, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE GLASS AT BUILDING ENTRANCE DOOR , 1st STORY
Class CClosed—Oct 31, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LOWER GLASS PANE AT BUILDING FRONT ENTRANCE DOOR
Class CClosed—Oct 30, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LOWER GLASS PANE AT 2ND WINDOW FROM SOUTH AT WEST WALL AT PUBLIC HALL, 1st STORY
Class CClosedRENT IMPAIRING4FOct 30, 2025INADEQUATE HEAT · HEAT AND HOT WATER§ 27-2029 ADM CODE PROVIDE AN ADEQUATE SUPPLY OF HEAT FOR THE APARTMENT IN THE ENTIRE APARTMENT LOCATED AT APT 4F, 4th STORY, 4th APARTMENT FROM EAST AT SOUTH , SECTION ''SOUTH''
Class CClosed—Oct 30, 2025MAKE DOORS SELF-CLOSING · EGRESS§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE AT LATCH SET ASSEMBLY, AT WEST YARD DOOR AT PUBLIC HALL, 1st STORY
Class CClosedRENT IMPAIRING3FOct 30, 2025INADEQUATE HEAT · HEAT AND HOT WATER§ 27-2029 ADM CODE PROVIDE AN ADEQUATE SUPPLY OF HEAT FOR THE APARTMENT IN THE ENTIRE APARTMENT LOCATED AT APT 3F, 3rd STORY, 4th APARTMENT FROM EAST AT SOUTH , SECTION ''SOUTH''
Class COpen5DDAug 28, 2025ABATE THE NUISANCE OF MICE · EXTERMINATION & RODENT ERADICATIONHMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 5DD, 5th STORY, 3rd APARTMENT FROM SOUTH AT WEST
Class COpen5DDAug 28, 2025ABATE THE NUISANCE OF ROACHES · EXTERMINATION & RODENT ERADICATIONHMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 5DD, 5th STORY, 3rd APARTMENT FROM SOUTH AT WEST
Class CClosed—Aug 6, 2025MAKE DOORS SELF-CLOSING · EGRESS§ 27-2005, 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE FIRE DOOR LEADING TO WEST YARD AT PUBLIC HALL, SECTION ''NORTH''
Class CClosed2HHAug 6, 2025ABATE THE NUISANCE OF ROACHES · EXTERMINATION & RODENT ERADICATIONHMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 2HH, 1st STORY, 1st APARTMENT FROM NORTH AT EAST , SECTION ''NORTH''
Class CClosed2HHAug 6, 2025ABATE THE NUISANCE OF MICE · EXTERMINATION & RODENT ERADICATIONHMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 2HH, 1st STORY, 1st APARTMENT FROM NORTH AT EAST , SECTION ''NORTH''
Class CClosed2BJul 24, 2025REPAIR THE SOURCE AND ABATE THE WATER LEAK · WATER SUPPLY§ 27-2026, 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE BATHROOM LOCATED AT APT 2B, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST , SECTION ''SOUTH''
Class CClosed1DJul 7, 2025ABATE THE NUISANCE OF ROACHES · EXTERMINATION & RODENT ERADICATIONHMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1D, 1st STORY, 2nd APARTMENT FROM NORTH AT EAST
Class CClosed1DJul 7, 2025ABATE THE NUISANCE OF MICE · EXTERMINATION & RODENT ERADICATIONHMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1D, 1st STORY, 2nd APARTMENT FROM NORTH AT EAST
Class CClosed2HHJun 16, 2025INSTALL/REPLACE/REPAIR WINDOW GUARDS (APT) · WINDOW GUARDS§ 27-2043.1 HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 3, WG TO REPLACE = 0, WG TO REPAIR = 0 IN THE ENTIRE APARTMENT LOCATED AT APT 2HH, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST , SECTION AT NORTH
Class COpen2HHJun 16, 2025ABATE THE NUISANCE OF MICE · EXTERMINATION & RODENT ERADICATIONHMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 2HH, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST , SECTION AT NORTH
Class CClosed—May 27, 2025DOOR NOT SELF-CLOSING · EGRESS§ 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING WIRE AT FIREDOOR AT FIRESTAIRS AT PUBLIC HALL, 1st STORY, SECTION AT SOUTH
Class CClosed—May 27, 2025DOOR NOT SELF-CLOSING · EGRESS§ 27-2005, 2007 ADM CODE REMOVE DEVICE PREVENTING DOOR FROM BEING SELF-CLOSING WEDGE AT FIREDOOR LEADING TO WEST EXIT AT BASEMENT, SECTION AT SOUTH
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