2025-05-25Class BDismissed
§ 27-2005 ADM CODE FIRE ESCAPE DEFECTIVE. ADJUST THE DROPLADDER SO THAT IT WILL SLIDE EASILY IN THE GUIDE RODS AT NORTH YARD AT FIRE ESCAPE
HPD · 513 · Record 17915791
Building report
363 Sumpter Street
Public records for this building, including violations, complaints, housing court cases and ownership details.
- Built
- 1908
- Units
- 6
- Owner of record
- KLANSTUY REALTY LLC, 25%
- Open HPD violations
- 4
- HPD records on file
- 45
Violations at 363 Sumpter Street
45 on record2025-04-10Class BDismissed
§ 27-2045 ADM CODE REPAIR OR REPLACE THE SMOKE DETECTOR MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 3A, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH
HPD · 702 · Record 17825957
2025-04-10Class BDismissed
§ 27-2046.1 HMC: REPAIR OR REPLACE THE CARBON MONOXIDE DETECTING DEVICE(S). MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 3A, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH
HPD · 1503 · Record 17825954
2025-03-06Class 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 HINGES IN THE ENTRANCE LOCATED AT APT 3A, 3rd STORY, 1st APARTMENT FROM WEST AT NORTH
HPD · 530 · Record 17740824
2025-03-06Class CDismissed
§ 27-2033 ADM CODE PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT BOILER ROOM, 1st STORY
HPD · 672 · Record 17740823
Most serious open violation
2024-05-21Class BOpen
§ 27-2005 HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE DOOR KNOB IN THE ENTRANCE LOCATED AT APT 1B, 1st STORY, 1st APARTMENT FROM WEST AT NORTH
HPD · 501 · Record 16987841
4 open · 45 total on recordSee 3 more open violations
Who owns 363 Sumpter Street?
Owner of record: KLANSTUY REALTY LLC, 25%. An owner name can come from an earlier filing. Compare the latest HPD registration with the recorded deed before relying on it.
Apartments at 363 Sumpter Street
Recorded residential units: 6. Recorded year built: 1908. 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 363 Sumpter Street
The full report includes the grade, all 45 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 45 HPD violations
- 03Housing court filings and outcomes
- 04Ownership history and LLC connections