110 4th Avenue
110 4th Avenue in Carroll Gardens, Brooklyn, has no open HPD violations, and 49 of 49 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: C (77/100).
Mixed residential & commercial · 49 units · Built 2007
StreetSpy grade: C (Fair, 77/100)
- 84 heat or hot water complaints to 311 in the last 12 months, about one per unit. The grade is capped at C for that alone.
- 108 housing complaints to 311 in the last 12 months.
- No open housing violations on record with HPD.
- 49 of 49 units are rent-stabilized; 50 on the 2007 tax bill.
Fewer open violations per unit than 7 in 10 Brooklyn buildings this size.
- Repairs: Clear (None open), records as of Oct 26, 2026
- Heat and hot water: Grade capped at C (84 complaints, 12 mo), records as of Oct 25, 2026
- Pests: Clear (Owner reported none, 3 yr), records as of Oct 28, 2026
- Safety: Clear (No open DOB violations), records as of Oct 26, 2026
- Registration: Renewal not yet in city data, records as of Oct 3, 2026
Housing code violations (HPD)
0 open violations: 0 class C (immediately hazardous), 0 class B, 0 class A. 28 issued in the last 12 months. 49 on record. Newest violation issued 2026-03-05.
1 closed in the last 90 days. Median 78 days from issue to close for the 33 violations closed in the last 12 months.
311 housing complaints
108 in the last 12 months, 114 in 5 years. Most common: Heat/Hot Water (84), Plumbing (21), Unsanitary Condition (2), Paint/Plaster (1).
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: Owner reported 0 infested units
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
49 of 49 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: 49 in 2024, 50 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.
Owner and management
Owner: PARK SLOPE COURT LLC. Head officer: DOMENICK TONACCHIO. Managing agent: TONA PROPERTY MANAGEMENT. This owner has 2 buildings on record, 0 graded D or F. See the full portfolio.
Last HPD registration Oct 10, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3004010041, HPD building ID 901503. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Atlantic Av-Barclays Ctr (D, N, R), 4 min walk
- Atlantic Av-Barclays Ctr (2, 3, 4, 5), 6 min walk
- Union St (R), 6 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | None open | 0 |
| 311 housing complaints (12 mo) | 108 | −20 |
| Bedbug reports (3 yr) | None reported | 0 |
| Executed evictions (3 yr) | None | 0 |
| Housing litigation | No open cases | 0 |
| Open DOB violations | None | 0 |
| Heat or hot water complaints (12 mo) | 84 (1.7 per unit). Grade capped at C: at least one heat or hot water complaint per unit in the last year. | −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.