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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

284 violations · Open

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 BOpen—May 28, 2026REFIT DOORS ETC. · EGRESS§ 27-2005 HMC: REFIT DOOR LEADING TO WEST SECTION AT BASEMENT AT PUBLIC HALL
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 BOpen—May 28, 2026REFIT DOORS ETC. · EGRESS§ 27-2005 HMC: REFIT FIRE DOOR A AT BASEMENT AT FIRE STAIRS
Class BOpen—May 26, 2026REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE GLASS PANE AT DOOR ENTRANCE BUILDING , 1st STORY
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 BOpenC6May 21, 2026REPAIR PLASTER · MAINTENANCE§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT CEILING IN THE PRIVATE HALLWAY LOCATED AT APT C6, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
Class BOpenC6May 21, 2026REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE GASKET AT REFRIGERATOR DOOR IN THE KITCHEN LOCATED AT APT C6, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
Class BOpenC6May 21, 2026REPAIR LEAKY FAUCETS · WATER SUPPLY§ 27-2026 ADM CODE REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS AT WASHBASIN IN THE BATHROOM 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 BOpenC6May 21, 2026REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE FIXTURE AT CEILING IN THE BATHROOM LOCATED AT APT C6, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
Class BOpenC6May 21, 2026REPAIR LEAKY FAUCETS · WATER SUPPLY§ 27-2026 ADM CODE REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS AT SINK IN THE KITCHEN 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 BOpenC6May 21, 2026REPAIR 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 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 BOpenC6May 21, 2026REPAIR LEAKY FAUCETS · WATER SUPPLY§ 27-2026 ADM CODE REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS AT BATHTUB IN THE BATHROOM LOCATED AT APT C6, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
Class BOpenC6May 21, 2026REPAIR 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 C6, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
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 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 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, 2026REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE GLASS AT BUILDING ENTRANCE DOOR
Class AOpen—May 1, 2026FILE ANNUAL BEDBUG REPORT · FILING: BEDBUGS(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
Class AOpen—Apr 30, 2026PROVIDE SHOE FOR DROP LADDER · FIRE EGRESS AND PROTECTION§ 53, 187, 231 M/D LAW AND DEPARTMENT RULES AND REGULATIONS. PROVIDE A SHOE PROPERLY SECURED TO BOTTOM OF STRING OF DROPLADDER AT 2ND STACK FROM EAST AT BUILDING FRONT. AT FIRE ESCAPE
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 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 BOpen3AAMar 23, 2026REPAIR 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 3AA, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH
Class BOpen3AAMar 23, 2026REPAIR 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 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 BOpen3AAFeb 23, 2026REPAIR PLASTER · MAINTENANCE§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT NORTH WALL IN THE 1st ROOM FROM NORTH LOCATED AT APT 3AA, 3rd STORY, 2nd APARTMENT FROM EAST AT SOUTH
Class BOpen3HHDec 22, 2025REPAIR LEAKY FAUCETS · WATER SUPPLY§ 27-2026 ADM CODE REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS AT WASHBASIN IN THE BATHROOM LOCATED AT APT 3HH, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST
Class BOpen3HHDec 18, 2025REPAIR LEAKY FAUCETS · WATER SUPPLY§ 27-2026 ADM CODE REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS AT BATHTUB IN THE BATHROOM LOCATED AT APT 3HH, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST
Class BOpenRENT IMPAIRING3HHDec 18, 2025REMOVE OBSTRUCTIONS · SEWERS AND DRAINAGE§ 27-2026 ADM CODE REMOVE ALL OBSTRUCTIONS AND REPAIR ALL DEFECTS IN WASTELINE AT WASHBASIN IN THE BATHROOM LOCATED AT APT 3HH, 3rd STORY, 1st APARTMENT FROM NORTH AT EAST
Class BOpen—Dec 18, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LATCH AT BUILDING ENTRANCE DOOR , 1st STORY
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 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 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 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 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 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 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 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 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 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 · 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 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 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 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 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
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
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