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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

862 violations

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 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 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 BClosed6FDec 10, 2025REPAIR OR REPLACE CO DETECTOR · CARBON MONOXIDE DETECTING DEVICES§ 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 6F, 6th STORY, 4th APARTMENT FROM SOUTH AT WEST , SECTION ''WEST''
Class BClosed6FDec 10, 2025REPAIR OR REPLACE SMOKE DETECTOR · SMOKE DETECTING DEVICES§ 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 6F, 6th STORY, 4th APARTMENT FROM SOUTH AT WEST , SECTION ''WEST''
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, 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 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, 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 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 AClosed1DNov 7, 2025TRACE & REPAIR THE SOURCE & ABATE THE…MOLD · CLEANING§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 10 SQ FEET AT CEILING IN THE BATHROOM LOCATED AT APT 1D, 2nd STORY, 2nd APARTMENT FROM SOUTH AT WEST
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 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 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, 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 AClosed—Oct 30, 2025IV-1. MAILBOXES PRESENT · POSTING/SIGNAGE§ 329, M/D LAW AND DEPT. RULES AND REGS. PROVIDE A COMPLETED CERTIFICATE OF INSPECTION VISITS IN A PROPER FRAME AT OR NEAR MAILBOXES, BOTTOM EDGE OF FRAME BETWEEN 48-62 INCHES ABOVE FLOOR CURRENT FRAME HIGHER THAN 62'', NOT REACHABLE AT PUBLIC HALL, 1st STORY
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 BClosed1DOct 28, 2025REPAIR PLASTER · MAINTENANCE§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE BATHROOM LOCATED AT APT 1D, 1st STORY, 2nd APARTMENT FROM EAST AT SOUTH
Class AClosed1DOct 28, 2025TRACE & REPAIR THE SOURCE & ABATE THE…MOLD · CLEANING§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 10 SQ AT CEILING IN THE BATHROOM LOCATED AT APT 1D, 1st STORY, 2nd APARTMENT FROM EAST AT SOUTH
Class BClosed1DOct 28, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE INTERCOM BUZZERS FROM ENTRANCE TO APT 1D AT WEST WALL IN THE ENTIRE APARTMENT LOCATED AT APT 1D, 1st STORY, 2nd APARTMENT FROM EAST AT SOUTH
Class BClosedRENT IMPAIRING1DOct 28, 2025REPAIR FLUSHING APPARATUS OF WATER CLOSET · SEWERS AND DRAINAGE§ 27-2026 ADM CODE REPAIR THE FLUSHING APPARATUS AND MAINTAIN SAME SO AS TO FLUSH EFFECTIVELY THE WATER CLOSET .. IN THE BATHROOM LOCATED AT APT 1D, 1st STORY, 2nd APARTMENT FROM EAST AT SOUTH
Class BClosed2BSep 29, 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 AT SOUTH
Class BClosed2BSep 29, 2025REPAIR PLASTER · MAINTENANCE§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING, NORTH WALL AND SOUTH WALL IN THE BATHROOM LOCATED AT APT 2B, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST , SECTION AT SOUTH
Class AOpen1DSep 5, 2025CLEANSE · CLEANING§ 27-2011 ADM CODE CLEANSE TO THE SATISFACTION OF THIS DEPARTMENT THE MOLD AT CAULKING AROUND BATHTUB IN THE BATHROOM LOCATED AT APT 1D, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH
Class BOpen1DSep 5, 2025REMOVE BARS OR GATES FROM FIRE ESCAPE WINDOW · EGRESS§ 27-2005, 2007 ADM CODE FIRE EGRESS DEFECTIVE. REMOVE OBSTRUCTING BARS OR UNLAWFUL GATES FROM WINDOW TO FIRE ESCAPE OR PROVIDE APPROVED TYPE GATE .. IN THE KITCHEN LOCATED AT APT 1D, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH
Class AClosed1DSep 5, 2025TRACE & REPAIR THE SOURCE & ABATE THE…MOLD · CLEANING§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... (LESS THAN 10 SQ FT) AT WINDOW RECESS, NORTH AND WEST WALLS IN THE BATHROOM LOCATED AT APT 1D, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH
Class AOpen1DSep 5, 2025REPAIR WITH SIMILAR MATERIAL · MAINTENANCE§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE CAULKING AROUND BATHTUB IN THE BATHROOM LOCATED AT APT 1D, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH
Class AOpen1DSep 5, 2025FILE PLANS OR RESTORE · ALTERATIONS§ 300 M/D LAW FILE PLANS AND APPLICATION AND LEGALIZE THE FOLLOWING ALTERATION OR RESTORE TO THE LEGAL CONDITION EXISTING PRIOR TO THE MAKING OF SAID ALTERATION SOUTH PARTITION WALL IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT APT 1D, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH
Class BOpen5DDAug 28, 2025REPAIR PLASTER · MAINTENANCE§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR ALL WALLS AND CEILING IN THE 1st ROOM FROM NORTH AT EAST LOCATED AT APT 5DD, 5th STORY, 3rd APARTMENT FROM SOUTH AT WEST
Class BOpen5DDAug 28, 2025REPAIR PLASTER · MAINTENANCE§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR ALL WALLS AND CEILING IN THE BATHROOM LOCATED AT APT 5DD, 5th STORY, 3rd APARTMENT FROM SOUTH AT WEST
Class BOpen5DDAug 28, 2025REPAIR PLASTER · MAINTENANCE§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR ALL WALLS AND CEILING IN THE 1st ROOM FROM NORTH AT WEST LOCATED AT APT 5DD, 5th STORY, 3rd APARTMENT FROM SOUTH AT WEST
Class BOpen5DDAug 28, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE INTERCOM SYSTEM FROM VESTIBULE TO SOUTH WALL IN THE PRIVATE HALLWAY LOCATED AT APT 5DD, 5th STORY, 3rd APARTMENT FROM SOUTH AT WEST
Class BOpen5DDAug 28, 2025REPAIR BROKEN, LOOSE CONNECTION · SEWERS AND DRAINAGE§ 27-2026 ADM CODE REPAIR THE BROKEN OR DEFECTIVE CONNECTION AT WASH BASIN WASTE PIPE IN THE BATHROOM LOCATED AT APT 5DD, 5th STORY, 3rd APARTMENT FROM SOUTH AT WEST
Class BOpen5DDAug 28, 2025REPAIR PLASTER · MAINTENANCE§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR ALL WALLS AND CEILING IN THE PRIVATE HALLWAY LOCATED AT APT 5DD, 5th STORY, 3rd APARTMENT FROM SOUTH AT WEST
Class BOpen5DDAug 28, 2025REPAIR OR REPLACE SMOKE DETECTOR · SMOKE DETECTING DEVICES§ 27-2045(B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 5DD, 5th STORY, 3rd APARTMENT FROM SOUTH AT WEST
Class BOpen5DDAug 28, 2025REPAIR PLASTER · MAINTENANCE§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR ALL WALLS AND CEILING IN THE FOYER LOCATED AT APT 5DD, 5th STORY, 3rd APARTMENT FROM SOUTH AT WEST
Class BOpen5DDAug 28, 2025REPAIR PLASTER · MAINTENANCE§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR ALL WALLS AND CEILING IN THE KITCHEN LOCATED AT APT 5DD, 5th STORY, 3rd APARTMENT FROM SOUTH AT WEST
Class BOpen5DDAug 28, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE RUBBER SEALS AT FREEZER AND REFRIGERATOR DOORS IN THE KITCHEN LOCATED AT APT 5DD, 5th STORY, 3rd APARTMENT FROM SOUTH AT WEST
Class BOpen5DDAug 28, 2025REPAIR BROKEN, LOOSE CONNECTION · SEWERS AND DRAINAGE§ 27-2026 ADM CODE REPAIR THE BROKEN OR DEFECTIVE CONNECTION AT SINK WASTE PIPE IN THE KITCHEN LOCATED AT APT 5DD, 5th STORY, 3rd APARTMENT FROM SOUTH AT WEST
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 BOpen5DDAug 28, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LIGHT FIXTURE AT CEILING IN THE 1st ROOM FROM NORTH AT WEST 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 BOpen5DDAug 28, 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 OF EAST WALL CLOSET IN THE FOYER LOCATED AT APT 5DD, 5th STORY, 3rd APARTMENT FROM SOUTH AT WEST
Class BOpen5DDAug 28, 2025REPAIR OR REPLACE CO DETECTOR · CARBON MONOXIDE DETECTING DEVICES§ 27-2045(B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 5DD, 5th STORY, 3rd APARTMENT FROM SOUTH AT WEST
Class BOpen5DDAug 28, 2025REPAIR LEAKY FAUCETS · WATER SUPPLY§ 27-2026 ADM CODE REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS AT SINK IN THE KITCHEN LOCATED AT APT 5DD, 5th STORY, 3rd APARTMENT FROM SOUTH AT WEST
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