423 3rd Avenue
423 3rd Avenue in Carroll Gardens, Brooklyn, has 39 open HPD violations, 3 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: F (49/100).
Mixed residential & commercial · 3 units · Built 1931
StreetSpy grade: F (Severe, 49/100)
- 130 open HPD violations per 10 units, about 13 per apartment. The grade is F for that alone.
- 3 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.
- No rent-stabilized units on the tax bill. Increases aren't capped by stabilization, though Good Cause Eviction may still limit them.
More open violations per unit than 9 in 10 Brooklyn buildings this size.
- Repairs: Grade capped at F (39 open, 3 class C), records as of Oct 26, 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 28, 2026
- Safety: High (7 open DOB violations), records as of Oct 26, 2026
- Registration: Expired Sep 1, 2025, records as of Oct 3, 2026
Housing code violations (HPD)
39 open violations: 3 class C (immediately hazardous), 23 class B, 12 class A, 1 class I (HPD orders such as lead paint or heat orders, not a hazard class). 1 issued in the last 12 months. 47 on record. Oldest open violation issued 2009-10-14. Newest violation issued 2026-04-30.
HPD recorded no violation closed here 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: Yard or exterior defect (exterior). D26-10.01 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF PADLOCKED GATES INSTALLED & CAR STORED UNDER AWNING REAR YARD UNDER DROPLADDER ER1., issued 2009-10-14. HPD violation 933585
- Class C: No heat / heating defect (hallway). D26-17.10 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDING'S HEATING SYSTEM 1 STY PUBLIC HALL & ON BOILER ROOM DOOR., issued 2009-10-14. HPD violation 933587
- Class C: Fire escape defect (exterior). D26-10.01 ADM CODE FIRE ESCAPE DEFECTIVE. REPLACE WITH NEW THE BROKEN, DEFECTIVE AND/OR MISSING CORNER BRACKET OF RETURN & FRONT RAILS 3 STY BALCONY NORTHEAST REAR YARD., issued 2009-10-14. HPD violation 933586
- Class B: Floor or stair defect (hallway). D26-10.01 ADM CODE REMOVE THE TORN AND/OR LOOSE FLOOR COVERING ALL STYS PUBLIC HALLS., issued 2009-10-14. HPD violation 933579
- Class B: Damaged plaster or paint, kitchen. D26-10.01 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR WALL NORTHWEST KITCHEN 3 STY APT 2. LOCATED AT APT 2 (apt 2), issued 2009-10-14. HPD violation 933582
- Class B: Damaged plaster or paint (hallway). D26-10.01 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF DROP CEILING 3 STY PUBLIC HALL CENTER ROOM., issued 2009-10-14. HPD violation 933583
- Class B: Floor or stair defect (hallway). D26-10.01 ADM CODE REPLACE WITH NEW THE MISSING WOOD HANDRAILS ALL STYS PUBLIC HALLS., issued 2009-10-14. HPD violation 933581
- Class B: Broken window or sash (hallway). D26-10.01 ADM CODE REPLACE WITH NEW THE MISSING TOP & BOTTOM WINDOW SASHES 2 STY PUBLIC HALL., issued 2009-10-14. HPD violation 933584
311 housing complaints
0 in the last 12 months, 2 in 5 years.
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)
7 open DOB violations, all 7 Local Law violations issued before 2000. 7 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
No rent-stabilized units on the tax bill.
Owner and management
Owner: 423 3RD AVE CORP.. Head officer: LUIS PEREZ. Managing agent: LUIS PEREZ. This owner has 2 buildings on record, 2 graded D or F. See the full portfolio.
Last HPD registration Oct 11, 2024. HPD registration expired Sep 1, 2025 and had not been renewed as of Oct 3, 2026. Buildings with 3+ units must register with HPD every year.
Tax lot and city IDs
BBL 3009970009, HPD building ID 127620. HPD Online, ACRIS, DOB BIS.
Nearest subway
- 4 Av-9 St (R), 3 min walk
- 4 Av-9 St (F, G), 3 min walk
- Smith-9 Sts (F, G), 7 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 39 open (3 class C, 23 class B, 12 class A, 1 class I). 6 rent-impairing | −45 |
| 311 housing complaints (12 mo) | None | 0 |
| Bedbug reports (3 yr) | None reported | 0 |
| Executed evictions (3 yr) | None | 0 |
| Housing litigation | No open cases | 0 |
| Open DOB violations | 7 open DOB violations, all 7 Local Law violations issued before 2000 | −5 |
| Density cap | 130 per 10 units (about 13 per apartment). Grade capped at F: 100 or more open HPD violations per 10 units. | −1 |
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.