6402 24th Avenue

6402 24th Avenue in Bensonhurst, Brooklyn, has 72 open HPD violations, 6 of them class C, and 39 of 39 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: F (40/100).

Multi-family walk-up · 39 units · Built 1928

StreetSpy grade: F (Severe, 40/100)

• 6 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 4 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• 55 heat or hot water complaints to 311 in the last 12 months.
• 39 of 39 units are rent-stabilized.

More open violations per unit than 7 in 10 Brooklyn buildings this size.

• Repairs: High (72 open, 6 class C), records as of Oct 26, 2026
• Heat and hot water: 55 complaints, 12 mo, records as of Oct 25, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 28, 2026
• Safety: Clear (1 open DOB violation), records as of Oct 26, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

72 open violations: 6 class C (immediately hazardous), 55 class B, 11 class A. 28 issued in the last 12 months. 428 on record. Oldest open violation issued 2004-06-30. Newest violation issued 2026-04-15.

0 closed in the last 90 days. Median 109 days from issue to close for the 44 violations closed in the last 12 months.

4 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: No heat / heating defect (basement). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED FROM WEST INNER COURT TO CELLAR AT BOILER ROOM, issued 2024-02-14. HPD violation 16670698
• Class C: Mice, throughout the apartment, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT B9, 2nd STORY, 2nd APARTMENT FROM SOUTH AT WEST , SECTION ''NORTH'' (apt B9), issued 2021-06-30. HPD violation 14415820
• Class C: Roaches, throughout the apartment, 2nd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT B9, 2nd STORY, 2nd APARTMENT FROM SOUTH AT WEST , SECTION ''NORTH'' (apt B9), issued 2021-06-30. HPD violation 14415818
• Class C: Missing window guards, throughout the apartment, 3rd floor. 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 = 1; WG TO REPLACE = 0; WG TO REPAIR = 0; IN THE ENTIRE APARTMENT LOCATED AT APT C6, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt C6), issued 2021-04-07. HPD violation 14146406
• Class C: Missing window guards, 4th floor. 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 = 5; WG TO REPLACE = 0; WG TO REPAIR = 0; LOCATED AT APT D7, 4th STORY, 1st APARTMENT FROM NORTH AT EAST (apt D7), issued 2015-06-04. HPD violation 10734713
• Class C: No hot water, throughout the apartment, 2nd floor. PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT B10, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt B10), issued 2015-05-18. HPD violation 10714592
• Class B: Damaged plaster or paint, bathroom, 3rd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE NORTH AND WEST WALLS IN THE BATHROOM LOCATED AT APT C3, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST , SECTION ''WEST'' (apt C3), issued 2025-08-11. HPD violation 18145268
• Class B: Roof defect (hallway). REPLACE WITH NEW THE MISSING SAFETY MESH AT SKYLIGHT AT PUBLIC HALL, 4th STORY, issued 2025-03-20. HPD violation 17776854

311 housing complaints

70 in the last 12 months, 229 in 5 years. Most common: Heat/Hot Water (55), Plumbing (13), Unsanitary Condition (2).

Bedbugs

The owner reported 0 infested units in the last 3 years of filings. HPD's bedbug filings are self-reported by the owner once a year; HPD does not inspect to confirm them.

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

Buildings department (DOB)

1 open DOB violation, a Local Law violation issued before 2000. 1 DOB violation on record. Check on DOB BIS.

Evictions and housing court

0 executed evictions in the last 3 years (1 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

39 of 39 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: 39 in 2024, 39 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: 24TH AVE REALTY LLC. Head officer: HARRY KOSLOWSKI. Managing agent: 24TH AVENUE REALTY LLC. This owner has 4 buildings on record, 1 graded D or F. See the full portfolio.

Last HPD registration Jul 28, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3065590036, HPD building ID 146166. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Bay Pkwy (N), 5 min walk
• Avenue N (F), 5 min walk
• Avenue P (F), 6 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.