3423 Avenue I
3423 Avenue I in Flatlands, Brooklyn, has 3 open HPD violations, 1 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 25, 2026. StreetSpy grade: C (65/100).
Multi-family walk-up · 3 units · Built 1915
StreetSpy grade: C (Fair, 65/100)
- 1 immediately hazardous violation open (the class that covers no heat, pests, lead paint and similar).
- 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 5 in 10 Brooklyn buildings this size.
- Repairs: High (3 open, 1 class C), records as of Oct 25, 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 27, 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)
3 open violations: 1 class C (immediately hazardous), 2 class B, 0 class A. 1 issued in the last 12 months. 16 on record. Oldest open violation issued 2008-07-08. Newest violation issued 2026-05-01.
6 closed in the last 90 days. Median 1,042 days from issue to close for the 6 violations closed in the last 12 months.
- Class C: No heat / heating defect (basement). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM BOILER ROOM DOOR LOCKED AT CELLAR, issued 2021-12-16. HPD violation 14724554
- Class B: Lighting defect (entrance). 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 2008-07-08. HPD violation 1112570
- Class B: Lighting defect (entrance). PROVIDE ADEQUATE LIGHT OF NOT LESS THAN 60 WATTS INCANDESCENT OR EQUIVALENT ILLUMINATION VESTIBULE 1 STY NIGHT INSPECTION., issued 2008-07-08. HPD violation 1112571
311 housing complaints
0 in the last 12 months, 5 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)
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
No rent-stabilized units on the tax bill.
Owner and management
Owner: JOSEPH GIBBONS. See the full portfolio.
Last HPD registration Jul 24, 2026, valid through Sep 1, 2027.
Tax lot and city IDs
BBL 3075800001, HPD building ID 188360. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Flatbush Av-Brooklyn College (2, 5), 7 min walk
- Newkirk Av-Little Haiti (2, 5), 15 min walk
- Avenue H (Q), 20 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 3 open (1 class C, 2 class B) | −35 |
| 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 | 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 2026-10-28.