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Building report

817 Knickerbocker Avenue

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

Built
1912
Units
6
Owner of record
KNICKERBOCKER APT INC.
Open HPD violations
0
HPD records on file
20

Violations at 817 Knickerbocker Avenue

20 on record
2025-11-18Class IDismissed

§27-2107 ADM CODE OWNER FAILED TO FILE A VALID REGISTRATION STATEMENT WITH THE DEPARTMENT AS REQUIRED BY ADM CODE §27-2097 AND IS THEREFORE SUBJECT TO CIVIL PENALTIES, PROHIBITED FROM CERTIFYING VIOLATIONS, AND DENIED THE RIGHT TO RECOVER POSSESSION OF PREMISES FOR NONPAYMENT OF RENT UNTIL A VALID REGISTRATION STATEMENT IS FILED.

HPD · 780 · Record 18402065
2024-08-22Class CClosed

§ 27-2043.1 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 = 0; WG TO REPLACE = 0; WG TO REPAIR = 3; IN THE ENTIRE APARTMENT LOCATED AT APT 2R, 2nd STORY, 2nd APARTMENT FROM WEST AT NORTH

HPD · 790 · Record 17225524
2024-07-26Class 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 AT HINGES IN THE ENTRANCE LOCATED AT APT 2R, 2nd STORY, 2nd APARTMENT FROM WEST AT NORTH

HPD · 530 · Record 17157526
2024-07-26Class CClosed

§ 27-2043.1 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 = 0; IN THE ENTIRE APARTMENT LOCATED AT APT 2R, 2nd STORY, 2nd APARTMENT FROM WEST AT NORTH

HPD · 790 · Record 17157514
2024-07-26Class BClosed

§ 27-2005, 2007 ADM CODE REMOVE ALL ENCUMBRANCES CONSISTING OF HOUSEHOLD ITEMS AT PUBLIC HALL, 1st STORY

HPD · 538 · Record 17157064

Who owns 817 Knickerbocker Avenue?

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

Apartments at 817 Knickerbocker Avenue

Recorded residential units: 6. Recorded year built: 1912. 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 817 Knickerbocker Avenue

The full report includes the grade, all 20 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 20 HPD violations
  3. 03Housing court filings and outcomes
  4. 04Ownership history and LLC connections