5417 Avenue J

5417 Avenue J in Flatlands, 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: F (40/100).

One & two family · 2 units · Built 1920

StreetSpy grade: F (Severe, 40/100)

• 1 immediately hazardous violation open (the class that covers no heat, pests, lead paint and similar).
• The owner has 2 buildings on record; 2 graded D or F.
• 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: High (7 open, 1 class C), records as of Oct 26, 2026
• Heat and hot water: 2 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: Through Sep 1, 2027, records as of Oct 3, 2026

How the grade works

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). 2 issued in the last 12 months. 7 on record. Oldest open violation issued 2020-08-17. Newest violation issued 2026-09-22.

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

• Class C: No hot water, kitchen, 1st floor. ADMIN. CODE: PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE KITCHEN LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM WEST AT NORTH (apt 1). HPD violation 19278561
• Class B: Mice, throughout the apartment, 1st floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM WEST AT NORTH (apt 1), issued 2026-09-22. HPD violation 19233187
• Class B: Roaches, throughout the apartment, 1st floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1, 1st STORY, 1st APARTMENT FROM WEST AT NORTH (apt 1), issued 2026-09-22. HPD violation 19233188
• Class B: Gas defect (basement). - DISCONTINUE UNLAWFUL COOKING SPACE OR FILE PLANS AND APPLICATION WITH THIS DEPARTMENT TO LEGALIZE SAME, IF LAWFULLY FEASIBLE GAS RANGE AT CELLAR, issued 2020-08-17. HPD violation 13759661
• Class B: Plumbing defect (basement). - DISCONTINUE USE OF ROOMS FOR LIVING, DISCONNECT PLUMBING FIXTURES WHERE ILLEGAL AND PROPERLY SEAL PIPE CONNECTIONS WATER CLOSET, BATHTUB, WASH BASIN, SINK AT CELLAR, issued 2020-08-17. HPD violation 13759662
• Class B: Certificate of occupancy issue. , 170, 171, 300, 301, 302 M.D.LAW-FILE PLANS AND APPLICATION AND OBTAIN A CERTIFICATE OF OCCUPANCY TO LEGALIZE THE CONVERSION FROM A PRIVATE DWELLING TO MULTIPLE DWELLING USE IF LAWFULLY FEASIBLE OR RESTORE TO LAWFUL OCCUPANCY, issued 2020-08-17. HPD violation 13766816
• Class I: Vacate order (basement). - THE PREMISES OR APTS. HAVE BEEN VACATED BY THE DEPARTMENT AND CANNOT BE REOCCUPIED UNTIL SO ORDERED AFTER PROOF OF COMPLIANCE FOR AT NORTH CELLAR (VACATE #155674). HPD violation 13788097

311 housing complaints

3 in the last 12 months, 5 in 5 years. Most common: Heat/Hot Water (2), Unsanitary Condition (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: 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: MARK NYC LLC. Head officer: ABE MARK. Managing agent: MARK NYC LLC. This owner has 2 buildings on record, 2 graded D or F. See the full portfolio.

Last HPD registration Jul 29, 2026, valid through Sep 1, 2027.

Tax lot and city IDs

BBL 3077800003, HPD building ID 189279. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Flatbush Av-Brooklyn College (2, 5), 26 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.