3840 Flatlands Avenue

3840 Flatlands Avenue in Marine Park, Brooklyn, has 18 open HPD violations, 4 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 26, 2026. StreetSpy grade: D (55/100).

Mixed residential & commercial · 1 units · Built 1931

StreetSpy grade: D (Poor, 55/100)

• 4 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• No housing complaints to 311 in the last 12 months.
• 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 (18 open, 4 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: High (1 open DOB violation), 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)

18 open violations: 4 class C (immediately hazardous), 6 class B, 8 class A. 0 issued in the last 12 months. 23 on record. Oldest open violation issued 2019-01-22. Newest violation issued 2024-04-10. 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.

• Class C: No hot water, throughout the apartment, 2nd floor. & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF HOT WATER EXCEEDS THE MAXIMUM OF 130 DEGREES AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 1, 2nd STORY, APARTMENT AT WEST (apt 1), issued 2019-01-22. HPD violation 12864497
• Class C: Roaches, throughout the apartment, 2nd floor. ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF ROACHES IN THE ENTIRE APARTMENT LOCATED AT APT 1, 2nd STORY, APARTMENT AT WEST (apt 1), issued 2019-01-22. HPD violation 12864510
• Class C: Missing window guards, throughout the apartment, 2nd floor. HMC INSTALL THE MISSING OR REPAIR/REPLACE THE DEFECTIVE WINDOW GUARD(S) IN ACCORDANCE WITH THE SPECIFICATIONS OF THE NEW YORK CITY HEALTH CODE SECTION 24 RCNY CHAPTER 12. WG TO INSTALL = 1; WG TO REPLACE = 0; WG TO REPAIR = 3; IN THE ENTIRE APARTMENT LOCATED AT APT 1, 2nd STORY, APARTMENT AT WEST (apt 1), issued 2019-01-22. HPD violation 12864524
• Class C: Mice, throughout the apartment, 2nd floor. ADMIN. CODE: ABATE THE NUISANCE CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 1, 2nd STORY, APARTMENT AT WEST (apt 1), issued 2019-01-22. HPD violation 12864509
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 2nd floor. HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 1, 2nd STORY, APARTMENT AT WEST (apt 1), issued 2019-01-22. HPD violation 12864484
• Class B: Electrical defect, east wall, kitchen, 2nd floor. , 2006, 2037 HMC: PROPERLY REPAIR AND ABATE UNSAFE ELECTRIC WIRING CONDITION CONSISTING OF EXPOSED WIRES INSIDE BASE CABINET AT EAST WALL IN THE KITCHEN LOCATED AT APT 1, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 1), issued 2019-01-22. HPD violation 12864449
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 2nd floor. REPAIR OR REPLACE THE SMOKE DETECTOR DEFECTIVE IN THE ENTIRE APARTMENT LOCATED AT APT 1, 2nd STORY, APARTMENT AT WEST (apt 1), issued 2019-01-22. HPD violation 12864504
• Class B: Self-closing door not working, 2nd floor. , 2007 ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS IN THE ENTRANCE LOCATED AT APT 1, 2nd STORY, APARTMENT AT WEST (apt 1), issued 2019-01-22. HPD violation 12864519

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: Owner reported 0 infested units
• 2022: Owner reported 0 infested units
• 2021: Owner reported 0 infested units

Buildings department (DOB)

1 open DOB violation, a Local Law violation issued before 2000. 1 DOB violation 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: STEWART M GROSS. Managing agent: ACCURATE BROKERS LTD. See the full portfolio.

Last HPD registration Jul 24, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 3078580044, HPD building ID 293178. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Flatbush Av-Brooklyn College (2, 5), 21 min walk
• Avenue M (Q), 23 min walk
• Avenue J (Q), 25 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.