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509 West 170th Street

Public records for this building, including violations, complaints, housing court cases and ownership details.

Built
1911
Units
20
Owner of record
170 MB LLC
Open HPD violations
9
HPD records on file
104

Violations at 509 West 170th Street

104 on record
2025-08-24Class ADismissed

§27-2045(B)(5) HMC, § 12-01 RCNY POST A PROPER NOTICE OF SMOKE DETECTOR REQUIREMENTS, IN A FORM APPROVED BY THE COMMISSIONER, AT OR NEAR THE MAILBOX AT PUBLIC HALL, 1st STORY

HPD · 700 · Record 18183352
2025-08-24Class ADismissed

§ 27-2053 ADM CODE POST SIGN ON WALL OF ENTRANCE STORY BEARING NAME, ADDRESS INCLUDING APARTMENT NUMBER IF ANY, AND TELEPHONE NUMBER OF SUPERINTENDENT, JANITOR OR HOUSEKEEPER. AT PUBLIC HALL, 1st STORY

HPD · 722 · Record 18183351
2025-08-24Class CClosed

§ 27-2005, 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 FRAME AT BUILDING ENTRANCE DOOR

HPD · 530 · Record 18183350
2024-07-25Class BOpen

§ 27-2005, 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES CONSISTING OF FLOWER POTS, BALCONY, BUILDING FRONT AT FIRE ESCAPE, 2nd STORY

HPD · 539 · Record 17144512
2024-07-25Class CClosed

§ 27-2005, 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 SET AT BUILDING ENTRANCE AT PUBLIC HALL, 1st STORY

HPD · 530 · Record 17144511
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Who owns 509 West 170th Street?

Owner of record: 170 MB LLC. An owner name can come from an earlier filing. Compare the latest HPD registration with the recorded deed before relying on it.

Apartments at 509 West 170th Street

Recorded residential units: 20. Recorded year built: 1911. These building facts do not show current vacancies or when a particular apartment was renovated.

This tax lot appears in the RGB list based on 2024 building registrations, published as of November 2025. That is a building-level historical signal; it does not identify which apartments are stabilized today. Check the official rent-stabilized building lists.

Look up more about this building

See the full record for 509 West 170th Street

The full report includes the grade, all 104 violations with dates and outcomes, housing court filings and ownership details.

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Included
  1. 01Overall grade and scores by category
  2. 02Details for all 104 HPD violations
  3. 03Housing court filings and outcomes
  4. 04Ownership history and LLC connections