5923 4th Avenue

5923 4th Avenue in Sunset Park, Brooklyn, has 40 open HPD violations, 7 of them class C, and 6 of 6 units are rent-stabilized, as of Oct 25, 2026. StreetSpy grade: F (49/100).

Mixed residential & commercial · 6 units · Built 1931

StreetSpy grade: F (Severe, 49/100)

• 7 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• The head officer on this registration is named on 3 buildings' registrations; 3 graded D or F.
• 6 of 6 units are rent-stabilized.

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

• Repairs: High (40 open, 7 class C), records as of Oct 25, 2026
• Heat and hot water: No complaints, 12 mo, records as of Oct 25, 2026
• Pests: Clear (No bedbug filing, 3 yr), records as of Oct 27, 2026
• Safety: Medium (1 open DOB violation), 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)

40 open violations: 7 class C (immediately hazardous), 26 class B, 7 class A. 3 issued in the last 12 months. 97 on record. Oldest open violation issued 1990-12-24. Newest violation issued 2026-08-27.

0 closed in the last 90 days. Median 778 days from issue to close for the 5 violations closed in the last 12 months.

• Class C: Self-closing door not working, 3rd floor. , 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 REPAIR HINGES IN THE ENTRANCE LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3R), issued 2025-04-30. HPD violation 17865197
• Class C: Mice, throughout the apartment, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3L), issued 2022-01-26. HPD violation 14799115
• Class C: Roaches, throughout the apartment, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3L), issued 2022-01-26. HPD violation 14799114
• 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 3L, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3L), issued 2022-01-26. HPD violation 14799106
• Class C: Missing window guards, bathroom, 4th floor. SECTION 27-2043.1 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 = 3; MISSING IN BATHROOM,NO STOPS, NO ONE WAY SCREWS LOCATED AT APT 4R, 4th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 4R), issued 2012-04-20. HPD violation 9408414
• Class C: Lead paint hazard, 1st room from the north, 4th floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PRESUMED LEAD PAINT THAT IS PEELING OR ON A DETERIORATED SUBSURFACE USING WORK PRACTICES SET FORTH IN 28 RCNY ?11-06(B)(2) SOUTH WALL IN THE 1st ROOM FROM NORTH LOCATED AT APT 4R, 4th STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 4R), issued 2010-07-06. HPD violation 8494635
• Class C: Lead paint hazard. REMOVE OR COVER IN A MANNER APPROVED BY THE DEPARTMENT THE PEELING LEAD PAINT CEILING 2 STY EAST APT 2L NORTHEAST ROOM ROSA 492 0046 ER1. , SECTION '' '' (apt 2L), issued 1990-12-24. HPD violation 945525
• Class B: Leak or water damage, ceiling, 4th room from the north, 3rd floor. , 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT CEILING IN THE 4th ROOM FROM NORTH AT WEST LOCATED AT APT 3L, 3rd STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 3L), issued 2026-08-27. HPD violation 19167388

311 housing complaints

1 in the last 12 months, 2 in 5 years. Most common: Water Leak (1).

Bedbugs

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

Buildings department (DOB)

1 open DOB violation. 2 DOB violations on record. Check on DOB BIS.

Evictions and housing court

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

Rent stabilization

6 of 6 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: 6 in 2024, 6 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: 5923 REALTY LLC. Head officer: KIM W CHEUNG. Managing agent: 5923 REALTY LLC. This owner has 3 buildings on record, 3 graded D or F. See the full portfolio.

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

Tax lot and city IDs

BBL 3008630001, HPD building ID 129350. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 59 St (N, R), 1 min walk
• 53 St (R), 7 min walk
• Bay Ridge Av (R), 10 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.