2026-05-05Class ADismissed
(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
HPD · 1507 · Record 18880519
Building report
841 Knickerbocker Avenue
Public records for this building, including violations, complaints, housing court cases and ownership details.
- Built
- 1906
- Units
- 6
- Owner of record
- 841 KNICKERBOCKER LLC
- Open HPD violations
- 55
- HPD records on file
- 75
Violations at 841 Knickerbocker Avenue
75 on record2023-03-23Class ADismissed
(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
HPD · 1507 · Record 15838479
2022-11-07Class 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 15500182
2022-02-25Class 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 14932518
2022-02-25Class ADismissed
(A) § HMC:FILE ANNUAL BEDBUG REPORT IN ACCORDANCE WITH HPD RULE AS DESCRIBED ON THE BACK OF THIS NOTICE OF VIOLATION OR AS DESCRIBED ON HPDS WEBSITE, WWW.NYC.GOV\HPD, SEARCH BED BUGS.
HPD · 1507 · Record 14932517
Most serious open violation
2019-08-27Class COpen
§ 27-2033 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 BUILDINGS HEATING SYSTEM NOTICE MISSING AT PUBLIC HALL, 1st STORY
HPD · 671 · Record 13250634
55 open · 75 total on recordSee 54 more open violations
Who owns 841 Knickerbocker Avenue?
Owner of record: 841 KNICKERBOCKER 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 841 Knickerbocker Avenue
Recorded residential units: 6. Recorded year built: 1906. 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 841 Knickerbocker Avenue
The full report includes the grade, all 75 violations with dates and outcomes, housing court filings and ownership details.
Get the report, $1One payment. No account needed.
Included
- 01Overall grade and scores by category
- 02Details for all 75 HPD violations
- 03Housing court filings and outcomes
- 04Ownership history and LLC connections