947 St Marks Avenue

947 St Marks Avenue in Crown Heights, Brooklyn, has 30 open HPD violations, 16 of them class C, and 14 of 16 units are rent-stabilized, as of Oct 26, 2026. StreetSpy grade: D (52/100).

Multi-family walk-up · 16 units · Built 1907

StreetSpy grade: D (Poor, 52/100)

• 16 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 3 heat or hot water complaints to 311 in the last 12 months.
• The head officer on this registration is named on 2 buildings' registrations; 2 graded D or F.
• 14 of 16 units are rent-stabilized; 13 on the 2007 tax bill.

More open violations per unit than 7 in 10 Brooklyn buildings this size.

• Repairs: High (30 open, 16 class C), records as of Oct 26, 2026
• Heat and hot water: 3 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)

30 open violations: 16 class C (immediately hazardous), 11 class B, 3 class A. 12 issued in the last 12 months. 711 on record. Oldest open violation issued 2021-03-08. Newest violation issued 2026-09-03.

1 closed in the last 90 days. Median 99 days from issue to close for the 9 violations closed in the last 12 months.

• Class C: Self-closing door not working (entrance). , 27-2007, 27-2041.1 HMC, §238, § 309; § 107 (2) ( C) MDL AND 28 RCNY §25-171: REPLACE OR REPAIR THE SELF-CLOSING DOORS THAT IS MISSING OR DEFECTIVE LATCH AT BUILDING ENTRANCE DOOR AT 1ST STORY, issued 2026-09-03. HPD violation 19184015
• Class C: Broken window or sash (hallway). & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF PLEXIGLASS INSTALLED AT VESTIBULE DOOR AT PUBLIC HALL AT 1ST STORY, issued 2026-09-03. HPD violation 19184017
• Class C: No hot water, throughout the apartment, 3rd floor. & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF SCALDING HOT WATER ABOVE 130 DEGREES IN THE ENTIRE APARTMENT LOCATED AT APT 3C, 3rd STORY, 2nd APARTMENT FROM WEST AT NORTH (apt 3C), issued 2026-05-21. HPD violation 18941289
• Class C: Mice, throughout the apartment, 3rd floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 3C, 3rd STORY, 2nd APARTMENT FROM WEST AT NORTH (apt 3C), issued 2026-05-21. HPD violation 18941288
• Class C: Lead paint hazard. (H) AND 27-2056.17 ADM CODE -CORRECT FAILURE TO PROVIDE TO THE DEPARTMENT WITHIN 45 DAYS OF DEMAND ALL RECORDS REQUIRED TO BE MAINTAINED BY OWNER PURSUANT TO LOCAL LAW 1 OF 2004 RELATED TO LEAD-BASED PAINT NOTICES, INSPECTIONS AND REMEDIATION/ABATEMENT ACTIVITIES., issued 2023-07-14. HPD violation 16102788
• Class C: Lead paint hazard. - CORRECT FAILURE TO NOTIFY OCCUPANTS AND/OR TO INVESTIGATE LEAD-BASED PAINT HAZARDS., issued 2023-07-14. HPD violation 16102789
• Class C: Mold, closet on the south wall, 4th room from the north, 1st floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... AT SOUTH WALL INSIDE CLOSET AT SOUTH WALL APPROXIMATELY 30 SQUARE FEET IN THE 4th ROOM FROM NORTH LOCATED AT APT 1C, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH (apt 1C), issued 2022-07-06. HPD violation 15238663
• Class C: Lead paint hazard, throughout the apartment, 1st floor. -CERTIFY COMPLIANCE WITH LEAD-BASED PAINT HAZARD CONTROL REQUIREMENTS DURING PERIOD OF UNIT VACANCY BY SUBMITTING REQUIRED SUPPORTING DOCUMENTATION AND AFFIDAVITS FOR APARTMENT .. IN THE ENTIRE APARTMENT LOCATED AT APT 1C, 1st STORY, 2nd APARTMENT FROM WEST AT NORTH (apt 1C), issued 2021-03-17. HPD violation 14074893

311 housing complaints

3 in the last 12 months, 211 in 5 years. Most common: Heat/Hot Water (3).

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: 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 (1 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

14 of 16 units rent-stabilized as of 2024. Stabilized renewals: 0% for one year and 0% for two years under RGB Order #58 (Oct 1, 2026 to Sep 30, 2027).

Rent-stabilized units on city tax bills: 14 in 2024, 13 in 2007. Source: DOF tax bills for 2007, 2008, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2019, 2020, 2021, 2022, 2023 and 2024; years with no bill on file are left out.

Owner and management

Owner: 947 SM LLC. Head officer: NOSSON LANG. Managing agent: 947 SM LLC. This owner has 2 buildings on record, 2 graded D or F. See the full portfolio.

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

Tax lot and city IDs

BBL 3012230066, HPD building ID 375070. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Kingston-Throop Avs (C), 7 min walk
• Kingston Av (3), 8 min walk
• Crown Hts-Utica Av (3, 4), 11 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.