539 Court Street
539 Court Street in Carroll Gardens, Brooklyn, has 7 open HPD violations, 1 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: D (50/100).
Mixed residential & commercial · 2 units · Built 1901
StreetSpy grade: D (Poor, 50/100)
- 1 immediately hazardous violation open (the class that covers no heat, pests, lead paint and similar).
- 2 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
- The owner has 6 buildings on record; 4 graded D or F.
- No rent-stabilized units on the tax bill. Increases aren't capped by stabilization, though Good Cause Eviction may still limit them.
- Repairs: High (7 open, 1 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: High (1 open DOB violation), records as of Oct 26, 2026
- Registration: Renewal not yet in city data, records as of Oct 3, 2026
Housing code violations (HPD)
7 open violations: 1 class C (immediately hazardous), 5 class B, 0 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. 25 on record. Oldest open violation issued 1988-02-23. Newest violation issued 2026-05-04.
0 closed in the last 90 days. Median 7 days from issue to close for the 2 violations closed in the last 12 months.
2 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 (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 NEAR MAIL BOXES AT PUBLIC HALL, 1st STORY, issued 2009-08-13. HPD violation 3774743
- Class B: Damaged plaster or paint, ceiling, 3rd room from the east, 2nd floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR THE CEILING IN THE 3rd ROOM FROM EAST LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2), issued 2024-06-13. HPD violation 17029619
- Class B: Missing or broken smoke / CO detector, throughout the apartment, 2nd floor. HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). DEFFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2), issued 2024-06-13. HPD violation 17029621
- Class B: Missing or broken smoke / CO detector, throughout the apartment, 2nd floor. REPAIR OR REPLACE THE SMOKE DETECTOR DEFFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 2, 2nd STORY, 1st APARTMENT FROM WEST AT NORTH (apt 2), issued 2024-06-13. HPD violation 17029622
- Class B: Certificate of occupancy issue, throughout the apartment, 2nd floor. THE PREMISES FORMERLY A VACANT BUILDING ARE NOW OCCUPIED BY OTHER THAN A CARETAKER WITHOUT OBTAINING A CERTIFICATE OF OCCUPANCY 2STY APT (BRENDA IDLET) IN THE ENTIRE APARTMENT LOCATED AT APT 2, 2nd STORY (apt 2), issued 2009-08-13. HPD violation 4041552
- Class B: Certificate of occupancy issue, throughout the apartment, 2nd floor. THE PREMISES FORMERLY A VACANT BUILDING ARE NOW OCCUPIED BY OTHER THAN A CARETAKER WITHOUT OBTAINING A CERTIFICATE OF OCCUPANCY NOW OCCUPIED AT 2nd AND 3rd STORY APT IN THE 1st ENTIRE APARTMENT FROM EAST LOCATED AT APT HSE, 2nd STORY (apt HSE), issued 2009-08-13. HPD violation 3396897
- Class I: Certificate of occupancy issue. ABOVE PREMISES HAVE BEEN VACANT AND UNTENANTED EXCEPT FOR CARETAKER FOR 60 DAYS OR MORE, AND CANNOT BE REOCCUPIED UNTIL A NEW CERTIFICATE OF OCCUPANCY HAS BEEN OBTAINED. PREMISES HAVE BEEN VACANT SINCE 09 02 87., issued 1988-02-23. HPD violation 1264327
311 housing complaints
0 in the last 12 months, 1 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: Owner reported 0 infested units
- 2023: Owner reported 0 infested units
- 2022: Owner reported 0 infested units
- 2021: No bedbug filing on record for this year
Buildings department (DOB)
1 open DOB violation, a Local Law violation issued before 2000. 5 DOB violations on record. Check on DOB BIS.
Evictions and housing court
0 executed evictions in the last 3 years (1 on record). 0 open HPD cases; 0 harassment findings.
Rent stabilization
No rent-stabilized units on the tax bill.
Owner and management
Owner: MARIO PRESTIGIACOMO. This owner has 6 buildings on record, 4 graded D or F. See the full portfolio.
Last HPD registration Nov 20, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3004790009, HPD building ID 226924. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Smith-9 Sts (F, G), 4 min walk
- Carroll St (F, G), 9 min walk
- 4 Av-9 St (F, G), 12 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 7 open (1 class C, 5 class B, 1 class I). 2 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, a Local Law violation issued before 2000 | −5 |
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.