4623 6th Avenue

4623 6th Avenue in Sunset Park, Brooklyn, has 261 open HPD violations, 44 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 25, 2026. StreetSpy grade: F (35/100).

Mixed residential & commercial · 10 units · Built 1928

StreetSpy grade: F (Severe, 35/100)

• 44 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 19 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• 1 eviction carried out by marshals in the last 3 years.

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

• Repairs: High (261 open, 44 class C), records as of Oct 25, 2026
• Heat and hot water: 1 complaint, 12 mo, records as of Oct 25, 2026
• Pests: Clear (No bedbug filing, 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)

261 open violations: 44 class C (immediately hazardous), 143 class B, 73 class A, 1 class I (HPD orders such as lead paint or heat orders, not a hazard class). 24 issued in the last 12 months. 510 on record. Oldest open violation issued 1999-11-09. Newest violation issued 2026-04-30.

3 closed in the last 90 days. Median 1,009 days from issue to close for the 3 violations closed in the last 12 months.

19 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, 3rd room from the east, 3rd floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE COLD RADIATOR IN THE 3rd ROOM FROM EAST AT NORTH LOCATED AT APT A3, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt A3), issued 2026-01-13. HPD violation 18570885
• Class C: No heat / heating defect, 3rd room from the east, 3rd floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE COLD RADIATOR IN THE 3rd ROOM FROM EAST AT SOUTH LOCATED AT APT A3, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt A3), issued 2026-01-13. HPD violation 18570887
• Class C: No heat / heating defect (hallway). POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDINGS HEATING SYSTEM AT PUBLIC HALL, 1st STORY, issued 2025-12-31. HPD violation 18540327
• Class C: Lead paint hazard, north wall, 2nd room from the east, 3rd floor. - CORRECT THE LEAD-BASED PAINT HAZARD-PAINT THAT IS XRF TESTED INCONCLUSIVE FOR LEAD CONTENT AT 0.5MG/CM2 AND IS PRESUMED LEAD PAINT AS SET FORTH IN (28 RCNY §11-07(b)) AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE-USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(b)(2) 1st DOOR FRAME FROM WEST AT NORTH WALL IN THE 2nd ROOM FROM EAST AT SOUTH LOCATED AT APT 3A, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3A), issued 2025-12-31. HPD violation 18548981
• Class C: Lead paint hazard, 2nd room from the east, 3rd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) SOUTH WALL IN THE 2nd ROOM FROM EAST AT SOUTH LOCATED AT APT 3A, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3A), issued 2025-12-31. HPD violation 18548980
• Class C: Lead paint hazard, 1st window frame from the east, south wall, 1st room from the east, 3rd floor. - CORRECT THE LEAD-BASED PAINT HAZARD - PAINT THAT TESTED POSITIVE FOR LEAD CONTENT AND THAT IS PEELING OR ON A DETERIORATED SUBSURFACE - USING WORK PRACTICES SET FORTH IN 28 RCNY §11-06(B)(2) 1st WINDOW FRAME FROM EAST AT SOUTH WALL IN THE 1st ROOM FROM EAST AT SOUTH LOCATED AT APT 3A, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3A), issued 2025-12-31. HPD violation 18548983
• 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 3A, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3A), issued 2025-12-31. HPD violation 18540323
• 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 3A, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 3A), issued 2025-10-20. HPD violation 18314529

311 housing complaints

4 in the last 12 months, 40 in 5 years. Most common: Paint/Plaster (2), Door/Window (1), Heat/Hot Water (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: 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

1 executed evictions in the last 3 years (2 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

No rent-stabilized units on the tax bill.

Owner and management

Owner: X.D.YANG & DAUGHTER LLC. Head officer: DA D YANG. Managing agent: OMG MGMT INC. This owner has 2 buildings on record, 2 graded D or F. See the full portfolio.

Last HPD registration Oct 7, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3007580001, HPD building ID 132098. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 45 St (R), 6 min walk
• 53 St (R), 8 min walk
• 9 Av (D), 12 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.