2021-07-07Class CDismissed
HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH
HPD · 569 · Record 14428452
Building report
863 Onderdonk Avenue
Public records for this building, including violations, complaints, housing court cases and ownership details.
- Built
- 1913
- Units
- 6
- Owner of record
- MADZIAR, ROBERT
- Open HPD violations
- 1
- HPD records on file
- 22
Violations at 863 Onderdonk Avenue
22 on record2019-06-09Class BDismissed
§ 27-2005 ADM CODE & 309 M/D LAW ABATE THE NUISANCE CONSISTING OF EXTENSHION CORD BEING RUN ACROSS THE EAST WALL IN THE KITCHEN LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST
HPD · 510 · Record 13114238
2019-06-09Class BDismissed
§ 27-2005, 2007 ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS FIRE EGRESS DOOR IN THE 5th ROOM FROM NORTH LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST
HPD · 530 · Record 13114234
2019-06-09Class CDismissed
§ 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 = 1; WG TO REPAIR = 4; MISSING ONE WAY SCREWS , WINDOW STOPS AND METAL SIDE IN 1 A/C PLATES IN THE ENTIRE APARTMENT LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST
HPD · 790 · Record 13114227
2019-06-09Class BDismissed
§ 27-2005, 2007 ADM CODE ARRANGE AND MAKE SELF-CLOSING THE DOORS .. IN THE ENTRANCE LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST
HPD · 530 · Record 13114216
Most serious open violation
2018-12-05Class COpen
§ 27-2005, 2007 HMC: REMOVE THE ILLEGAL DOUBLE CYLINDER KEY OPERATED LOCKING DEVICE AT DOOR .. IN THE ENTRANCE LOCATED AT APT 2R, 2nd STORY, 1st APARTMENT FROM EAST AT SOUTH
HPD · 546 · Record 12793008
1 open · 22 total on recordSee the full violation history
Who owns 863 Onderdonk Avenue?
Owner of record: MADZIAR, ROBERT. An owner name can come from an earlier filing. Compare the latest HPD registration with the recorded deed before relying on it.
Apartments at 863 Onderdonk Avenue
Recorded residential units: 6. Recorded year built: 1913. 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 863 Onderdonk Avenue
The full report includes the grade, all 22 violations with dates and outcomes, housing court filings and ownership details.
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Included
- 01Overall grade and scores by category
- 02Details for all 22 HPD violations
- 03Housing court filings and outcomes
- 04Ownership history and LLC connections