663 Classon Avenue
663 Classon Avenue in Crown Heights, Brooklyn, has 4 open HPD violations, 1 of them class C, and 6 of 6 units are rent-stabilized, as of Oct 24, 2026. StreetSpy grade: F (43/100).
City program owner (HDFC) · Mixed residential & commercial · 6 units · Built 1931
Held by a Housing Development Fund Corporation, a nonprofit owner under a city housing program. Its tenants live with the conditions on this record, so it is graded and ranked like any rental. How HDFCs are ranked
StreetSpy grade: F (Severe, 43/100)
- 1 immediately hazardous violation open (the class that covers no heat, pests, lead paint and similar).
- 11 heat or hot water complaints to 311 in the last 12 months.
- 1 eviction carried out by marshals in the last 3 years.
- 6 of 6 units are rent-stabilized.
More open violations per unit than 5 in 10 Brooklyn buildings this size.
- Repairs: Medium (4 open, 1 class C), records as of Oct 24, 2026
- Heat and hot water: 11 complaints, 12 mo, records as of Oct 23, 2026
- Pests: Clear (Owner reported none, 3 yr), records as of Oct 26, 2026
- Safety: Clear (No open DOB violations), records as of Oct 23, 2026
- Registration: Renewal not yet in city data, records as of Oct 3, 2026
Housing code violations (HPD)
4 open violations: 1 class C (immediately hazardous), 2 class B, 1 class A. 14 issued in the last 12 months. 31 on record. Oldest open violation issued 2025-02-25. Newest violation issued 2026-09-01.
3 closed in the last 90 days. Median 87 days from issue to close for the 11 violations closed in the last 12 months.
- Class C: No heat / heating defect (hallway). REPLACE WITH NEW THE MISSING HYDRONIC BASEBOARD RADIATOR COVER AT PUBLIC HALL, 1st STORY, issued 2026-06-22. HPD violation 19019870
- Class B: Door, lock or intercom defect (hallway). PROPERLY SECURE THE LOOSE METAL DOOR SADDLE AT VESTIBULE DOOR AT PUBLIC HALL, 1st STORY, issued 2026-09-01. HPD violation 19179222
- Class B: Mold, ceiling, bathroom, 3rd floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... LESS THAN 10 SQUARE FEET AT CEILING IN THE BATHROOM LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST ORIGINAL VIOLATION 18540890 ISSUED 31-DEC-25 HAS BEEN UPGRADED TO CLASS B PER ADMINISTRATIVE CODE 27-2017.3a(3)(a) or (b). (apt 3R), issued 2026-05-04. HPD violation 18864000
- Class A: Damaged plaster or paint, throughout the apartment, 3rd floor. PAINT WITH LIGHT COLORED PAINT TO THE SATISFACTION OF THIS DEPARTMENT ALL WALLS, CEILINGS, DOORS AND DOOR FRAMES IN THE ENTIRE APARTMENT LOCATED AT APT 3R, 3rd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 3R), issued 2025-02-25. HPD violation 17718948
311 housing complaints
16 in the last 12 months, 22 in 5 years. Most common: Heat/Hot Water (11), Door/Window (2), Unsanitary Condition (2), Plumbing (1).
Bedbugs
The owner reported 0 infested units in the last 3 years of filings. HPD's bedbug filings are self-reported by the owner once a year; HPD does not inspect to confirm them.
- 2026: No bedbug filing on record for this year
- 2025: Owner reported 0 infested units
- 2024: Owner reported 0 infested units
- 2023: Owner reported 0 infested units
- 2022: Owner reported 0 infested units
- 2021: Owner reported 0 infested units
Buildings department (DOB)
No open DOB violations. 1 DOB violation on record. Check on DOB BIS.
Evictions and housing court
1 executed evictions in the last 3 years (1 on record). 0 open HPD cases; 0 harassment findings.
Rent stabilization
6 of 6 units rent-stabilized as of 2024. Stabilized renewals: 0% for one year and 0% for two years under RGB Order #58 (Oct 1, 2026 to Sep 30, 2027).
Rent-stabilized units on city tax bills: 6 in 2024, 6 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.
Owner and management
Owner: PROSPECT AFFORDABLE PACKAGE LLC. Head officer: MATTHEW KELLER. Managing agent: NIEUW AMSTERDAM PROPERTY MANAGEMENT. This owner has 50 buildings on record, 44 graded D or F. See the full portfolio.
Last HPD registration Jun 30, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.
Tax lot and city IDs
BBL 3011420002, HPD building ID 221752. HPD Online, ACRIS, DOB BIS.
Nearest subway
- Park Pl (S), 4 min walk
- Franklin Av (S), 5 min walk
- Franklin Av (C), 6 min walk
How the grade is calculated
| Factor | On record | Points |
|---|---|---|
| Open HPD violations | 4 open (1 class C, 2 class B, 1 class A) | −27 |
| 311 housing complaints (12 mo) | 16 | −20 |
| Bedbug reports (3 yr) | None reported | 0 |
| Executed evictions (3 yr) | 1 | −10 |
| Housing litigation | No open cases | 0 |
| Open DOB violations | None | 0 |
Sources: NYC HPD Housing Maintenance Code Violations, NYC 311 Service Requests, NYC HPD Bedbug Reporting, NYC Marshal Evictions (DOI), NYC HPD Housing Litigations, NYC DOB Violations, NYC DOF tax bills (via JustFix Who Owns What portfolio API, v2), NYC HPD Property Registration. Methodology. Report generated 2026-10-27.