343 4th Avenue

343 4th Avenue in Park Slope, Brooklyn, has 12 open HPD violations, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: A (93/100).

Mixed residential & commercial · 113 units · Built 2006

StreetSpy grade: A (Excellent, 93/100)

• 12 open housing violations, none in the most serious class.
• The owner's bedbug filings report no infested units in the last 3 years.
• No rent-stabilized units on the tax bill. Increases aren't capped by stabilization, though Good Cause Eviction may still limit them.

• Repairs: Low (12 open), 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: Clear (No open DOB violations), records as of Oct 26, 2026
• Registration: Renewal not yet in city data, records as of Oct 3, 2026

How the grade works

Housing code violations (HPD)

12 open violations: 0 class C (immediately hazardous), 10 class B, 2 class A. 6 issued in the last 12 months. 32 on record. Oldest open violation issued 2016-07-05. Newest violation issued 2026-05-28.

HPD recorded no violation closed here in the last 12 months.

• Class B: Missing or broken smoke / CO detector, throughout the apartment, 11th floor. (B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 11G, 11th STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 11G), issued 2026-05-28. HPD violation 18949626
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 11th floor. (B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 11G, 11th STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 11G), issued 2026-05-28. HPD violation 18949627
• Class B: Damaged plaster or paint, south wall, 7th room from the north, 11th floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT SOUTH WALL NEAR WINDOW ENCASEMENT IN THE 7th ROOM FROM NORTH LOCATED AT APT 11G, 11th STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 11G), issued 2026-05-28. HPD violation 18949628
• Class B: Leak or water damage, south wall, 7th room from the north, 11th floor. , 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT SOUTH WALL NEAR WINDOW ENCASEMENTS IN THE 7th ROOM FROM NORTH LOCATED AT APT 11G, 11th STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 11G), issued 2026-05-28. HPD violation 18949629
• Class B: Leak or water damage, west wall, 1st room from the north, 11th floor. , 2027 HMC: PROPERLY REPAIR THE SOURCE AND ABATE THE EVIDENCE OF A WATER LEAK AT WEST WALL AND NORTH WALL NEAR WINDOW ENCASEMENTS IN THE 1st ROOM FROM NORTH LOCATED AT APT 11G, 11th STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 11G), issued 2026-05-28. HPD violation 18949630
• Class B: Damaged plaster or paint, west wall, 1st room from the north, 11th floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR AT WEST WALL AND NORTH WALL NEAR WINDOW ENCASEMENT IN THE 1st ROOM FROM NORTH LOCATED AT APT 11G, 11th STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 11G), issued 2026-05-28. HPD violation 18949631
• Class B: Damaged plaster or paint, east wall, 3rd room from the east, 8th floor. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR WINDOW SILL AT EAST WALL IN THE 3rd ROOM FROM EAST LOCATED AT APT 8H, 8th STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 8H), issued 2019-07-31. HPD violation 13195415
• Class B: Mold, east wall, 3rd room from the east, 8th floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... AT EAST WALL AND CEILING WINDOW AREA IN THE 3rd ROOM FROM EAST LOCATED AT APT 8H, 8th STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 8H), issued 2019-07-31. HPD violation 13195288

311 housing complaints

5 in the last 12 months, 5 in 5 years. Most common: Water Leak (3), Door/Window (1), 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

No rent-stabilized units on the tax bill.

Owner and management

Owner: NOVO CONDOMINIUM. Head officer: DEBORAh FARRELl. Managing agent: FirstService Residential. See the full portfolio.

Last HPD registration Sep 2, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3009817501, HPD building ID 929813. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 4 Av-9 St (R), 4 min walk
• 4 Av-9 St (F, G), 5 min walk
• Union St (R), 7 min walk

How the grade is calculated

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.