584 4th Avenue
584 4th Avenue in Carroll Gardens, Brooklyn, has 11 open HPD violations, 1 of them class C, and 18 of 46 units are rent-stabilized, as of Oct 24, 2026. StreetSpy grade: C (77/100).
Mixed residential & commercial · 46 units · Built 2022
StreetSpy grade: C (Fair, 77/100)
- 1 immediately hazardous violation open (the class that covers no heat, pests, lead paint and similar).
- 1 open violation is classified rent-impairing under NY Multiple Dwelling Law section 302-a.
- The owner's bedbug filings report no infested units in the last 3 years.
- 18 of 46 units are rent-stabilized.
Fewer open violations per unit than 6 in 10 Brooklyn buildings this size.
- Repairs: Low (11 open, 1 class C), records as of Oct 24, 2026
- Heat and hot water: 2 complaints, 12 mo, records as of Oct 23, 2026
- Pests: Clear (Owner reported none, 3 yr), records as of Oct 26, 2026
- Safety: Clear (No open DOB violations), records as of Oct 23, 2026
- Registration: Through Sep 1, 2027, records as of Oct 3, 2026
Housing code violations (HPD)
11 open violations: 1 class C (immediately hazardous), 3 class B, 7 class A. 22 issued in the last 12 months. 28 on record. Oldest open violation issued 2026-05-18. Newest violation issued 2026-06-18.
0 closed in the last 90 days. Median 26 days from issue to close for the 11 violations closed in the last 12 months.
1 open violation is classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.
- Class C: Door, lock or intercom defect (entrance). , 2007 ADM CODE REMOVE THE ILLEGAL FASTENING CONSISTING OF ELECTROMAGNETIC LOCK INSTALLED AT BUILDING ENTRANCE DOOR, issued 2026-06-18. HPD violation 19011046
- Class B: Door, lock or intercom defect (entrance). REPLACE WITH NEW THE MISSING HEAVY DUTY LOCKSET AT BUILIDNG ENTRANCE DOOR, issued 2026-06-18. HPD violation 19011048
- Class B: Door, lock or intercom defect (entrance). & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF DOUBLE CYLINDERS KEY OPERATED LOCK INSTALLED AT THE BUILDING FRONT ENTRANCE DOOR, , 1st STORY, issued 2026-05-26. HPD violation 18942865
- Class B: Door, lock or intercom defect (hallway). & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF DOUBLE CYLINDERS KEY OPERATED LOCK INSTALLED AT THE WEST ENTRANCE DOOR TO VESTIBULE, AT PUBLIC HALL, 1st STORY, issued 2026-05-22. HPD violation 18942858
- Class A: Required notice or sign missing (entrance). (B) HMC POST A PROPER NOTICE REGARDING RENT STABILIZATION LAW, IN A FORM APPROVED BY THE COMMISSIONER, IN A CONSPICUOUS LOCATION WITHIN THE COMMON AREA AT THE BUILDINGS ENTRANCE. FOR MORE INFORMATION ABOUT SIGNAGE REQUIREMENTS, PLEASE VISIT: HTTPS://WWW.NYC.GOV/SITE/HPD/SERVICES-AND-INFORMATION/REQUIRED-SIGNAGE.PAGE, issued 2026-05-22. HPD violation 18942859
- Class A: Missing or broken smoke / CO detector (hallway). (B)(5) HMC, § 12-01 RCNY POST A PROPER NOTICE OF SMOKE DETECTOR REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, AT OR NEAR THE MAILBOX MISSING AT PUBLIC HALL, 1st STORY, issued 2026-05-18. HPD violation 18928970
- Class A: Damaged plaster or paint (hallway). POST AND MAINTAIN A PROPER SIGN ON WALL OF ENTRANCE STORY SHOWING THE REGISTRATION NUMBER ASSIGNED BY THE DEPARTMENT AND THE ADDRESS OF THE BUILDING. AT PUBLIC HALL, 1st STORY, issued 2026-05-18. HPD violation 18928972
- Class A: Damaged plaster or paint (entrance). ADMIN. CODE: POST AND MAINTAIN A PROPER NOTICE ON WALL OF THE ENTRANCE STORY IN ENGLISH AND SPANISH ON THE AVAILABILITY OF THE AGENCYS HOUSING INFORMATION GUIDE. A SAMPLE NOTICE CAN BE FOUND AT WWW.NYC.GOV/HPD., issued 2026-05-18. HPD violation 18928974
311 housing complaints
9 in the last 12 months, 10 in 5 years. Most common: Plumbing (4), Door/Window (3), Heat/Hot Water (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: No bedbug filing on record for this year
- 2025: Owner reported 0 infested units
- 2024: Owner reported 0 infested units
- 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. 0 DOB violations on record. Check on DOB BIS.
Evictions and housing court
0 executed evictions in the last 3 years (0 on record). 0 open HPD cases; 0 harassment findings.
Rent stabilization
18 of 46 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: 18 in 2024, 0 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.
Owner and management
Owner: 4TH AVENUE QOZB LLC. Head officer: TOM ROSENBERG. Managing agent: TOM ROSENBERG. See the full portfolio.
Last HPD registration Jun 25, 2026, valid through Sep 1, 2027.
Tax lot and city IDs
BBL 3010510039, HPD building ID 1010528. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Prospect Av (R), 1 min walk
- 4 Av-9 St (F, G), 7 min walk
- 4 Av-9 St (R), 8 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 11 open (1 class C, 3 class B, 7 class A). 1 rent-impairing | −15 |
| 311 housing complaints (12 mo) | 9 | −8 |
| Bedbug reports (3 yr) | None reported | 0 |
| Executed evictions (3 yr) | None | 0 |
| Housing litigation | No open cases | 0 |
| Open DOB violations | None | 0 |
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 2026-10-27.