4211 Avenue K

4211 Avenue K in Flatlands, Brooklyn, has 173 open HPD violations, 40 of them class C, and 72 of 73 units are rent-stabilized, as of Oct 25, 2026. StreetSpy grade: F (27/100).

Multi-family elevator · 73 units · Built 1959

StreetSpy grade: F (Severe, 27/100)

• 40 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 6 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• 18 heat or hot water complaints to 311 in the last 12 months.
• 72 of 73 units are rent-stabilized.

More open violations per unit than 9 in 10 Brooklyn buildings this size.

• Repairs: High (173 open, 40 class C), records as of Oct 25, 2026
• Heat and hot water: 18 complaints, 12 mo, records as of Oct 25, 2026
• Pests: Medium (2 infested units, 3 yr), records as of Oct 27, 2026
• Safety: Clear (No open DOB violations), records as of Oct 23, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

173 open violations: 40 class C (immediately hazardous), 112 class B, 21 class A. 108 issued in the last 12 months. 426 on record. Oldest open violation issued 2011-06-30. Newest violation issued 2026-10-21.

22 closed in the last 90 days. Median 90 days from issue to close for the 45 violations closed in the last 12 months.

6 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.

• Class C: Roaches, throughout the apartment, 6th floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 6B, 6th STORY (apt 6B), issued 2026-08-12. HPD violation 19134551
• Class C: Mice, throughout the apartment, 6th floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 6B, 6th STORY (apt 6B), issued 2026-08-12. HPD violation 19134552
• Class C: Damaged plaster or paint, ceiling, 3rd room from the north, cellar. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR DISLODGED PLASTER AT CEILING IN THE 3rd ROOM FROM NORTH LOCATED AT CELLAR APT GROUND, 2nd CELLAR APT FROM EAST AT SOUTH , SECTION ''EAST'' (apt GROUND), issued 2026-08-06. HPD violation 19118228
• Class C: Electrical defect, throughout the apartment, cellar. , 2038 HMC: PROVIDE A SAFE AND ADEQUATE SUPPLY OF ELECTRIC SERVICE TO THE FIXTURES AT ALL CEILING LIGHT FIXTURE AND ELECTRICAL OUTLETS AT ALL WALLS IN THE ENTIRE APARTMENT LOCATED AT CELLAR APT GROUND, 2nd CELLAR APT FROM EAST AT SOUTH , SECTION ''EAST'' (apt GROUND), issued 2026-08-06. HPD violation 19118234
• Class C: Roaches, throughout the apartment, cellar. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT CELLAR APT GROUND, 2nd CELLAR APT FROM EAST AT SOUTH , SECTION ''EAST'' (apt GROUND), issued 2026-08-06. HPD violation 19118229
• Class C: Leak or water damage, ceiling, 3rd room from the north, cellar. , 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE 3rd ROOM FROM NORTH LOCATED AT CELLAR APT GROUND, 2nd CELLAR APT FROM EAST AT SOUTH , SECTION ''EAST'' (apt GROUND), issued 2026-08-06. HPD violation 19118227
• Class C: Self-closing door not working, kitchen, cellar. , 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, APARTMENT ENTRANCE DOOR , NORTH WALL , IN THE KITCHEN LOCATED AT CELLAR APT GROUND, 2nd CELLAR APT FROM EAST AT SOUTH , SECTION ''EAST'' (apt GROUND), issued 2026-08-06. HPD violation 19118217
• Class C: Damaged plaster or paint, ceiling, bathroom, cellar. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CRACKED AND LOOSE PLASTER AT CEILING IN THE BATHROOM LOCATED AT CELLAR APT GROUND, 2nd CELLAR APT FROM EAST AT SOUTH , SECTION ''EAST'' (apt GROUND), issued 2026-08-06. HPD violation 19118225

311 housing complaints

37 in the last 12 months, 134 in 5 years. Most common: Heat/Hot Water (18), Unsanitary Condition (6), Door/Window (4), Water Leak (4), Plumbing (3).

Bedbugs

The owner reported 2 infested units in the last 3 years. HPD's bedbug filings are self-reported by the owner once a year; HPD does not inspect to confirm them.

• 2026: No bedbug filing on record for this year
• 2025: Owner reported 0 infested units
• 2024: No bedbug filing on record for this year
• 2023: Owner reported 2 infested, 2 treated, 0 re-infested
• 2022: No bedbug filing on record for this year
• 2021: No bedbug filing on record for this year

Buildings department (DOB)

No open DOB violations. 1 DOB violation on record. Check on DOB BIS.

Evictions and housing court

4 executed evictions in the last 3 years (5 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

72 of 73 units rent-stabilized as of 2024. Stabilized renewals: 0% for one year and 0% for two years under RGB Order #58 (Oct 1, 2026 to Sep 30, 2027).

Rent-stabilized units on city tax bills: 72 in 2024, 72 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: 4200 AVE K EQUITIES LLC. Head officer: MOSHE HALBERSTAN. Managing agent: DIAMOND MANAGEMENT. This owner has 2 buildings on record, 2 graded D or F. See the full portfolio.

Last HPD registration Aug 21, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3077900001, HPD building ID 189865. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Flatbush Av-Brooklyn College (2, 5), 16 min walk
• Newkirk Av-Little Haiti (2, 5), 24 min walk
• Avenue J (Q), 27 min walk

How the grade is calculated

Sources: NYC HPD Housing Maintenance Code Violations, NYC 311 Service Requests, NYC HPD Bedbug Reporting, NYC Marshal Evictions (DOI), NYC HPD Housing Litigations, NYC DOB Violations, NYC DOF tax bills (via JustFix Who Owns What portfolio API, v2), NYC HPD Property Registration. Methodology. Report generated 2026-10-28.