909 St Marks Avenue

909 St Marks Avenue in Crown Heights, Brooklyn, has 6 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: C (68/100).

Multi-family walk-up · 8 units · Built 1908

StreetSpy grade: C (Fair, 68/100)

• 4 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.
• The head officer on this registration is named on 79 buildings' registrations; 24 graded D or F.
• 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 (6 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: 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)

6 open violations: 4 class C (immediately hazardous), 2 class B, 0 class A. 0 issued in the last 12 months. 84 on record. Oldest open violation issued 1998-11-17. Newest violation issued 2025-07-10.

0 closed in the last 90 days. Median 159 days from issue to close for the 2 violations closed 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: Leak or water damage, throughout the apartment, 4th floor. REPAIR THE ROOF SO THAT IT WILL NOT LEAK .. IN THE ENTIRE APARTMENT LOCATED AT APT 4, 4th STORY (apt 4), issued 2018-02-21. HPD violation 5853390
• Class C: No heat / heating defect (hallway). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT PUBLIC HALL, 1st STORY, issued 2018-02-21. HPD violation 5853400
• Class C: No heat / heating defect (hallway). D26-17.10 ADM CODE POST NOTICE, IN FORM APPROVED BY THE DEPARTMENT, STATING THE NAME AND LOCATION OF THE PERSON DESIGNATED BY THE OWNER TO HAVE KEY TO BUILDING'S HEATING SYSTEM 1 STY PUBLIC HALL & ON BOILER ROOM DOOR., issued 2018-02-21. HPD violation 2112646
• Class C: Lead paint hazard. REMOVE OR COVER IN A MANNER APPROVED BY THE DEPARTMENT THE PEELING LEAD PAINT AND BROKEN PLASTER FALLING FROM SOUTH WALL FROM UNDER PANELING IN 2ND ROOM FROM FRONT 1 STY APT TONYA 493 5124 ER1 13403, issued 1998-11-17. HPD violation 2164138
• Class B: Mold, north wall, 1st room from the north, 4th floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROXIMATELY 1 SQ FT AT NORTH WALL IN THE 1st ROOM FROM NORTH LOCATED AT APT 4B, 4th STORY, 1st APARTMENT FROM WEST AT NORTH ORIGINAL VIOLATION 16935262 ISSUED 29-APR-24 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b). (apt 4B), issued 2024-09-06. HPD violation 17255773
• Class B: Mold, west wall, 3rd room from the north, 4th floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... APPROXIMATELY 1 SQ FT AT WEST WALL IN THE 3rd ROOM FROM NORTH LOCATED AT APT 4B, 4th STORY, 1st APARTMENT FROM WEST AT NORTH ORIGINAL VIOLATION 16935263 ISSUED 29-APR-24 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE §27-2017.3a(3)(a) or (b). (apt 4B), issued 2024-08-28. HPD violation 17233895

311 housing complaints

0 in the last 12 months, 2 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)

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: 909 ST MARKS REALTY LLC. Head officer: ABE GREEN. Managing agent: ABE GREEN. This owner has 79 buildings on record, 24 graded D or F. See the full portfolio.

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

Tax lot and city IDs

BBL 3012230004, HPD building ID 375045. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Kingston-Throop Avs (C), 7 min walk
• Kingston Av (3), 8 min walk
• Nostrand Av (3), 12 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.