534 9th Street
534 9th Street in Park Slope, Brooklyn, has 22 open HPD violations, 2 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: D (52/100).
Multi-family walk-up · 4 units · Built 1895
StreetSpy grade: D (Poor, 52/100)
- 2 immediately hazardous violations 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.
- No housing complaints to 311 in the last 12 months.
- 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 8 in 10 Brooklyn buildings this size.
- Repairs: High (22 open, 2 class C), records as of Oct 26, 2026
- Heat and hot water: No complaints, 12 mo, records as of Oct 25, 2026
- Pests: Clear (Owner reported none, 3 yr), records as of Oct 28, 2026
- Safety: Medium (1 open DOB violation), records as of Oct 26, 2026
- Registration: Expired Sep 1, 2025, records as of Oct 3, 2026
Housing code violations (HPD)
22 open violations: 2 class C (immediately hazardous), 6 class B, 13 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. 35 on record. Oldest open violation issued 2008-06-05. Newest violation issued 2026-04-30.
HPD recorded no violation closed here 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: Fire escape defect. D26-10.01 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF GRAPE VINES REAR FIRE ESCAPE 1 STY., issued 2008-06-05. HPD violation 981951
- Class C: No heat / heating defect (boiler room). 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 PUB HALL & BOILER ROOM DOOR., issued 2008-06-05. HPD violation 981950
- Class B: Missing or broken smoke / CO detector. D26-20.08,20.09 ADM CODE PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS 3RD STY APT., issued 2008-06-05. HPD violation 981947
- Class B: Broken window or sash. D26-10.01 ADM CODE REPLACE WITH NEW THE MISSING CHAIN LOWER SASH FRONT ROOM 1 STY APT 1. , SECTION '' '' (apt 1), issued 2008-06-05. HPD violation 981944
- Class B: Damaged plaster or paint, bathroom. D26-10.01 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR WALLS & CEILING BATHROOM 1 STY APT 1. , SECTION '' '' (apt 1), issued 2008-06-05. HPD violation 981943
- Class B: Floor or stair defect (stairs). D26-10.01, 10.05 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS 1ST STY PUB HALL UNDER STAIRS., issued 2008-06-05. HPD violation 981948
- Class B: Lighting defect (entrance). D26-19.07 ADM CODE PROVIDE ADEQUATE LIGHTING AT OR NEAR THE OUTSIDE OF THE FRONT ENTRANCEWAY OF THE BUILDING AND KEEP SAME BURNING FROM SUNSET EVERY DAY TO SUNRISE ON THE DAY FOLLOWING 50 WATTS NIGHT INSPECTION., issued 2008-06-05. HPD violation 981953
- Class B: Lighting defect (hallway). D26-19.05 ADM CODE PROVIDE ADEQUATE LIGHT OF NOT LESS THAN 60 WATTS INCANDESCENT OR EQUIVALENT ILLUMINATION VESTIBULE 1 STY PUBLIC HALL NIGHT INSPECTION., issued 2008-06-05. HPD violation 981954
311 housing complaints
0 in the last 12 months, 0 in 5 years.
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: 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)
1 open DOB violation. 1 DOB violation 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: MICHAEL AMOROSO. See the full portfolio.
Last HPD registration Dec 26, 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 3010930012, HPD building ID 135455. HPD Online, ACRIS, DOB BIS.
Nearest subway
- 7 Av (F, G), 2 min walk
- 15 St-Prospect Park (F, G), 7 min walk
- 4 Av-9 St (R), 13 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 22 open (2 class C, 6 class B, 13 class A, 1 class I). 1 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 | 1 open DOB violation | −3 |
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.