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Building report

663 Classon Avenue

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

Built
1931
Units
6
Owner of record
HP MJM HOUSING DEVELOPMENT FUND COMPANY, INC.,
Open HPD violations
4
HPD records on file
30

Violations at 663 Classon Avenue

30 on record
2026-08-31Class BOpen

§ 27-2005 ADM CODE PROPERLY SECURE THE LOOSE METAL DOOR SADDLE AT VESTIBULE DOOR AT PUBLIC HALL, 1st STORY

HPD · 509 · Record 19179222
2026-06-17Class COpen

§ 27-2005 ADM CODE REPLACE WITH NEW THE MISSING HYDRONIC BASEBOARD RADIATOR COVER AT PUBLIC HALL, 1st STORY

HPD · 506 · Record 19019870
2026-06-01Class BClosed

566 (B) 27-2021.4 HMC: ABATE THE NUISANCE CONSISTING OF PESTS. EVIDENCE OF ANTS AT PUBLIC HALL, 1st STORY

HPD · 566 · Record 18973158
2026-06-01Class CDismissed

§ 27-2005 ADM CODE FIRE ESCAPE DEFECTIVE. ADJUST THE DROPLADDER SO THAT IT WILL SLIDE EASILY IN THE GUIDE RODS AT BUILDING REAR AT FIRE ESCAPE, 1st STORY

HPD · 513 · Record 18973157
2026-06-01Class CDismissed

567 (C) § 27-2017, 27-2017.1, 27-2017.4, 27-2017.5, 27-2017.8, 27-2019, 27-2021 HMC: ABATE THE NUISANCE CONSISTING OF EVIDENCE OF RATS AND ALL UNDERLYING CAUSES CREATING THE PEST INFESTATIONS, BY USING INTEGRATED PEST MANAGEMENT (IPM), ELIMINATE ALL BURROW ENTRY AND PASSAGEWAYS, PEST NESTS, HOLES, GAPS OR CRACKS IN WALLS, CEILINGS, FLOORS, FIXING LEAKS AND MANAGING GARBAGE IN PUBLIC AREAS. EVIDENCE FOUND AT REAR YARD COURT

HPD · 567 · Record 18973156
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Who owns 663 Classon Avenue?

Owner of record: HP MJM HOUSING DEVELOPMENT FUND COMPANY, 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 663 Classon Avenue

Recorded residential units: 6. Recorded year built: 1931. 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 663 Classon Avenue

The full report includes the grade, all 30 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 30 HPD violations
  3. 03Housing court filings and outcomes
  4. 04Ownership history and LLC connections