343 6th Avenue

343 6th Avenue in Park Slope, Brooklyn, has 39 open HPD violations, 13 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: D (55/100).

Condo · Multi-family walk-up · 5 units · Built 1920

A condominium: each apartment has its own owner, so the landlord is an individual unit owner, and the building's record mixes many owners. Condo units are not rent-stabilized.

StreetSpy grade: D (Poor, 55/100)

• 13 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.
• A condo: the landlord is the individual unit owner; units are not rent-stabilized.

• Repairs: High (39 open, 13 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: 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)

39 open violations: 13 class C (immediately hazardous), 24 class B, 2 class A. 0 issued in the last 12 months. 47 on record. Oldest open violation issued 1996-02-13. Newest violation issued 2024-04-03. No new HPD violation has been issued here since 2024. Most of the open count is older violations that were never closed.

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: Damaged plaster or paint, bathroom. D26-10.01 ADM CODE REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING 2 STY NORTH APT 2L BATHROOM ER1. LOCATED AT APT 2L (apt 2L), issued 2008-05-22. HPD violation 960379
• Class C: Plumbing defect, kitchen. REPAIR THE BROKEN OR DEFECTIVE CONNECTION WASTELINE KITCHEN SINK 2 STY NORTH APT 2L ER1 , SECTION '' '' (apt 2L), issued 2007-08-07. HPD violation 960465
• Class C: Damaged plaster or paint, kitchen. REPAIR THE BROKEN OR DEFECTIVE PLASTERED SURFACES AND PAINT IN A UNIFORM COLOR CEILING KITCHEN 2 STY NORTH APT 2L ER1 , SECTION '' '' (apt 2L), issued 2007-08-07. HPD violation 960464
• Class C: Leak or water damage, kitchen. REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS KITCHEN SINK 2 STY NORTH APT 2L ER1 , SECTION '' '' (apt 2L), issued 2007-08-07. HPD violation 960466
• Class C: Leak or water damage, kitchen. & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF CONCEALED WATER LEAK KITCHEN CEILING 3 STY APT 3R ER1. , SECTION '' '' (apt 3R), issued 2007-08-07. HPD violation 960472
• Class C: No hot water, kitchen. REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS HOT WATER SINK 4 STY NORTH APT 4L KITCHEN ER1. , SECTION '' '' (apt 4L), issued 2007-08-07. HPD violation 960448
• Class C: Floor or stair defect, foyer. PROPERLY REPAIR WITH SIMILAR MATERIAL THE BROKEN OR DEFECTIVE WOOD FLOOR FOYER 2 STY NORTH APT 2L ER1 , SECTION '' '' (apt 2L), issued 2007-08-07. HPD violation 960468
• Class C: Leak or water damage, bathroom. REPAIR THE LEAKY AND/OR DEFECTIVE FAUCETS BATHTUB BATHROOM 2 STY NORTH APT 2L ER1 , SECTION '' '' (apt 2L), issued 2007-08-07. HPD violation 960467

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: Owner reported 0 infested units
• 2023: No bedbug filing on record for this year
• 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: PARK SLOPE ON THE 6TH CONDOMINIUM. Head officer: WALESKA MENDEZ. Managing agent: BEDFORD PRESTIGE MANAGEMENT INC. See the full portfolio.

Last HPD registration Dec 17, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3009837506, HPD building ID 131947. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 7 Av (F, G), 7 min walk
• 4 Av-9 St (R), 8 min walk
• Union St (R), 9 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.