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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

448 violations · Class B

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 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 BClosedRENT IMPAIRING—Aug 6, 2025REMOVE ENCUMBRANCES · EGRESS§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSE HOLD ITEMS AT PUBLIC HALL, 1st STORY, SECTION ''NORTH''
Class BOpen2HHAug 6, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE INTERCOM SYSTEM AT NORTH WALL IN THE FOYER LOCATED AT APT 2HH, 1st STORY, 1st APARTMENT FROM NORTH AT EAST , SECTION ''NORTH''
Class BClosed2HHAug 6, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE RUBBER GASKET AT REFRIGERATOR DOOR IN THE KITCHEN LOCATED AT APT 2HH, 1st STORY, 1st APARTMENT FROM NORTH AT EAST , SECTION ''NORTH''
Class BOpen2BJul 24, 2025TRACE & REPAIR THE SOURCE & ABATE THE…MOLD · CLEANING§ 27-2017.3 HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... GREATER THAN 10 SQ FT AT EAST AND WEST WALL IN THE BATHROOM LOCATED AT APT 2B, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST , SECTION ''SOUTH''
Class BClosed—Jul 24, 2025REPAIR WITH SIMILAR MATERIAL · MAINTENANCE§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDANT PLASTER AT EAST WALL WEST WALL AT PUBLIC HALL
Class BOpen6AAJul 18, 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 CEILING IN THE BATHROOM LOCATED AT APT 6AA, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH ORIGINAL VIOLATION 17734168 ISSUED 04-MAR-25 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b).
Class BOpenRENT IMPAIRING1DJul 7, 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 NORTH AT EAST
Class BClosed1DJul 7, 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 THE CEILING IN THE BATHROOM LOCATED AT APT 1D, 1st STORY, 2nd APARTMENT FROM NORTH AT EAST
Class BClosed1DJul 7, 2025REPAIR PLASTER · MAINTENANCE§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING IN THE BATHROOM LOCATED AT APT 1D, 1st STORY, 2nd APARTMENT FROM NORTH AT EAST
Class BClosed1DJul 7, 2025REPAIR WITH SIMILAR MATERIAL · MAINTENANCE§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR IN THE 4th ROOM FROM EAST LOCATED AT APT 1D, 1st STORY, 2nd APARTMENT FROM NORTH AT EAST
Class BOpen1DJul 7, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE INTERCOM SYSTEM FROM ENTRANCE TO THE BUILDING TO INTERCOM SYSTEM AT SOUTH WALL IN THE FOYER LOCATED AT APT 1D, 1st STORY, 2nd APARTMENT FROM NORTH AT EAST
Class BClosed1DJul 7, 2025REPAIR PLASTER · MAINTENANCE§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING, WEST WALL, EAST WALL IN THE KITCHEN LOCATED AT APT 1D, 1st STORY, 2nd APARTMENT FROM NORTH AT EAST
Class BClosedRENT IMPAIRING2HHJun 16, 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 2HH, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST , SECTION AT NORTH
Class BOpen—May 27, 2025REFIT DOORS ETC. · EGRESS§ 27-2005 HMC: REFIT FIRE DOOR LEADING TO WEST YARD ,NORTH SECTION AT BASEMENT
Class BClosed—May 27, 2025REPLACE · MAINTENANCE§ 27-2005 ADM CODE REPLACE WITH NEW THE MISSING ELECTRICAL OUTLET COVERS, AT ALL WALLS AT BASEMENT, SECTION AT SOUTH
Class BClosedRENT IMPAIRING—May 27, 2025REMOVE ACCUMULATION OF RUBBISH, WATER & DISINFECT · CLEANING§ 27-2010, 2011, 2012 ADM CODE CLEANSE AND DISINFECT TO THE SATISFACTION OF THIS DEPARTMENT AFTER REMOVING THE UNSANITARY CONDITION AT PUBLIC HALL STAIRS, SECTION AT SOUTH
Class BClosed—May 27, 2025REPLACE · MAINTENANCE§ 27-2005 ADM CODE REPLACE WITH NEW THE MISSING ELECTRICAL OUTLET COVERS AT ALL WALLS AT PUBLIC HALL, 6th STORY, SECTION AT SOUTH
Class BOpen2EMay 1, 2025REPAIR OR REPLACE CO DETECTOR · CARBON MONOXIDE DETECTING DEVICES§ 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). ...DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 2E, 2nd STORY
Class BOpen2EMay 1, 2025REPAIR OR REPLACE SMOKE DETECTOR · SMOKE DETECTING DEVICES§ 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR ...DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 2E, 2nd STORY
Class BOpen6DDApr 28, 2025REPAIR OR REPLACE SMOKE DETECTOR · SMOKE DETECTING DEVICES§ 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 6DD, 6th STORY, 3rd APARTMENT FROM SOUTH AT WEST
Class BOpen6DDApr 28, 2025REPAIR OR REPLACE CO DETECTOR · CARBON MONOXIDE DETECTING DEVICES§ 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 6DD, 6th STORY, 3rd APARTMENT FROM SOUTH AT WEST
Class BOpen6HHApr 28, 2025REPLACE · MAINTENANCE§ 27-2005 ADM CODE REPLACE WITH NEW THE MISSING ESCUTCHEON PLATE AT BOTTOM OF STEAM RISER IN THE BATHROOM LOCATED AT APT 6HH, 6th STORY, 1st APARTMENT FROM NORTH AT EAST
Class BOpen2JApr 23, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE COUNTER BALANCE AT LOWER SASH WINDOW 1ST WINDOW FROM NORTH AT WEST IN THE 5th ROOM FROM NORTH LOCATED AT APT 2J, 2nd STORY, 2nd APARTMENT FROM WEST AT NORTH
Class BClosedRENT IMPAIRING—Apr 1, 2025F/E ADJUST THE DROP LADDER · EGRESS§ 27-2005 ADM CODE FIRE ESCAPE DEFECTIVE. ADJUST THE DROPLADDER SO THAT IT WILL SLIDE EASILY IN THE GUIDE RODS DROPLADDER IS IN DOWNWARD POSITION AT BULDING FRONT 1ST FROM EAST AT NORTH AT FIRE ESCAPE
Class BClosed—Mar 21, 2025REPAIR WITH SIMILAR MATERIAL · MAINTENANCE§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDED PLASTER AT SOUTH AND WEST WALL AT PUBLIC HALL
Class BClosedRENT IMPAIRING—Mar 21, 2025F/E ADJUST THE DROP LADDER · EGRESS§ 27-2005 ADM CODE FIRE ESCAPE DEFECTIVE. ADJUST THE DROPLADDER SO THAT IT WILL SLIDE EASILY IN THE GUIDE RODS AT 1ST STACK FROM EAST AT NORTH IN DOWN POSITION AT FIRE ESCAPE
Class BClosed—Mar 21, 2025REPAIR WITH SIMILAR MATERIAL · MAINTENANCE§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE RUBBER BASEBOARD AT SOUTH AND NORTH WALL AT PUBLIC HALL, 3rd STORY
Class BClosed—Mar 21, 2025REPAIR WITH SIMILAR MATERIAL · MAINTENANCE§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE FIRE RETARDED PLASTER AT SOUTH WALL AT PUBLIC HALL, 3rd STORY
Class BClosed6AAMar 11, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE MORTISE LOCK ON APT ENTRANCE DOOR IN THE ENTRANCE LOCATED AT APT 6AA, 6th STORY, 1st APARTMENT FROM EAST AT SOUTH
Class BClosed—Mar 6, 2025REPAIR WITH SIMILAR MATERIAL · MAINTENANCE§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE BASEBOARD AT NORTH AND SOUTH WALLS AT PUBLIC HALL, 3rd STORY
Class BClosed—Mar 6, 2025REPAIR PLASTER · MAINTENANCE§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT SOUTH AND NORTH WALLS AT PUBLIC HALL, 3rd STORY
Class BClosed—Feb 25, 2025REPAIR WITH SIMILAR MATERIAL · MAINTENANCE§ 27-2005 ADM CODE PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE THE FIRE RETARDANT PLASTER AT CELING AT PUBLIC HALL, 6th STORY, SECTION AT NORTH
Class BOpen4CFeb 25, 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 SQFT AGGREGATE AT NORTH WALL, SOUTH WALL AND THE CEILING IN THE BATHROOM LOCATED AT APT 4C, 4th STORY, 1st APARTMENT FROM EAST AT SOUTH , SECTION ''SOUTH'', AT WEST ORIGINAL VIOLATION 17375609 ISSUED 26-OCT-24 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b).
Class BClosedRENT IMPAIRING—Feb 25, 2025LEAKY ROOF · MAINTENANCE§ 27-2005 ADM CODE REPAIR THE ROOF SO THAT IT WILL NOT LEAK AT CEILING AT PUBLIC HALL, 6th STORY, SECTION AT NORTH
Class BClosed6HHFeb 24, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE WATER STOPPER LEVER ON SPOUT AT BATHTUB IN THE BATHROOM LOCATED AT APT 6HH, 6th STORY, 1st APARTMENT FROM NORTH AT EAST
Class BClosedRENT IMPAIRING6HHFeb 24, 2025INADEQUATE HOT WATER SUPPLY (VOLUME) · WATER SUPPLY§ 27-2024 ADM CODE PROVIDE ADEQUATE SUPPLY OF HOT WATER FOR THE FIXTURES AT BATHTUB IN THE BATHROOM LOCATED AT APT 6HH, 6th STORY, 1st APARTMENT FROM NORTH AT EAST
Class BClosed6HHFeb 24, 2025REPAIR PLASTER · MAINTENANCE§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE NORTH WALL IN THE BATHROOM LOCATED AT APT 6HH, 6th STORY, 1st APARTMENT FROM NORTH AT EAST
Class BClosedRENT IMPAIRING6HHFeb 24, 2025INADEQUATE COLD WATER · WATER SUPPLY§ 27-2024 ADM CODE PROVIDE ADEQUATE SUPPLY OF COLD WATER FOR THE FIXTURES AT BATHTUB IN THE BATHROOM LOCATED AT APT 6HH, 6th STORY, 1st APARTMENT FROM NORTH AT EAST
Class BOpen4CFeb 21, 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 SQUARE FEET AT CEILING AND EAST WALL IN THE BATHROOM LOCATED AT APT 4C, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST , SECTION AT WEST ORIGINAL VIOLATION 17365482 ISSUED 22-OCT-24 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b).
Class BClosed4FFFeb 18, 2025REPAIR PLASTER · MAINTENANCE§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT THE HEADER OF THE 1ST WINDOW FROM WEST AT NORTH IN THE 2nd ROOM FROM EAST LOCATED AT APT 4FF, 4th STORY, 2nd APARTMENT FROM WEST AT NORTH
Class BOpen5GFeb 11, 2025REPAIR OR REPLACE CO DETECTOR · CARBON MONOXIDE DETECTING DEVICES§ 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 5G, 5th STORY, 1st APARTMENT FROM SOUTH AT WEST , SECTION AT SOUTH
Class BClosed5GFeb 11, 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 THE CEILING IN THE KITCHEN LOCATED AT APT 5G, 5th STORY, 1st APARTMENT FROM SOUTH AT WEST , SECTION AT SOUTH
Class BClosed5GFeb 11, 2025REPAIR PLASTER · MAINTENANCE§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING IN THE KITCHEN LOCATED AT APT 5G, 5th STORY, 1st APARTMENT FROM SOUTH AT WEST , SECTION AT SOUTH
Class BClosed5GFeb 11, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALANCE UPPER SASH WINDOW IN THE BATHROOM LOCATED AT APT 5G, 5th STORY, 1st APARTMENT FROM SOUTH AT WEST , SECTION AT SOUTH
Class BOpen5GFeb 11, 2025REPAIR OR REPLACE SMOKE DETECTOR · SMOKE DETECTING DEVICES§ 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 5G, 5th STORY, 1st APARTMENT FROM SOUTH AT WEST , SECTION AT SOUTH
Class BClosed5GFeb 11, 2025REPAIR PLASTER · MAINTENANCE§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE NORTH WALL IN THE BATHROOM LOCATED AT APT 5G, 5th STORY, 1st APARTMENT FROM SOUTH AT WEST , SECTION AT SOUTH
Class BClosed—Jan 31, 2025REPAIR · MAINTENANCE§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE LATCH SET AT VESTIBULE DOOR AT PUBLIC HALL, 1st STORY
Class BClosed1FJan 30, 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 NORTH WALL IN THE BATHROOM LOCATED AT APT 1F, 1st STORY, 4th APARTMENT FROM EAST AT SOUTH
Class BClosed1FJan 30, 2025REPAIR PLASTER · MAINTENANCE§ 27-2005 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR WALL SOUTH WALL IN THE KITCHEN LOCATED AT APT 1F, 1st STORY, 4th APARTMENT FROM EAST AT SOUTH
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