667 Classon Avenue

667 Classon Avenue in Crown Heights, Brooklyn, has 11 open HPD violations, 4 of them class C, and 7 of 8 units are rent-stabilized, as of Oct 24, 2026. StreetSpy grade: F (40/100).

City program owner (HDFC) · Mixed residential & commercial · 8 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, 40/100)

• 4 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 5 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• 16 heat or hot water complaints to 311 in the last 12 months.
• 7 of 8 units are rent-stabilized.

More open violations per unit than 6 in 10 Brooklyn buildings this size.

• Repairs: High (11 open, 4 class C), records as of Oct 24, 2026
• Heat and hot water: 16 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

How the grade works

Housing code violations (HPD)

11 open violations: 4 class C (immediately hazardous), 6 class B, 1 class A. 22 issued in the last 12 months. 94 on record. Oldest open violation issued 2024-01-19. Newest violation issued 2026-09-03.

0 closed in the last 90 days. Median 88 days from issue to close for the 14 violations closed in the last 12 months.

5 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a. Section 302-a; NY Courts guidance on getting repairs.

• Class C: Plumbing defect, bathroom, 2nd floor. REPLACE THE BROKEN OR DEFECTIVE WATER CLOSET IN THE BATHROOM LOCATED AT APT 2B, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 2B), issued 2026-09-03. HPD violation 19182042
• Class C: No hot water, throughout the apartment, 1st floor. PROVIDE HOT WATER AT ALL HOT WATER FIXTURES IN THE ENTIRE APARTMENT LOCATED AT APT 1A, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 1A), issued 2026-02-10. HPD violation 18627761
• Class C: No heat / heating defect, 3rd room from the east, 2nd floor. PROVIDE AN ADEQUATE SUPPLY OF HEAT FOR THE APARTMENT IN THE 3rd ROOM FROM EAST LOCATED AT APT 2A, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 2A), issued 2025-01-13. HPD violation 17618748
• Class C: No heat / heating defect, throughout the apartment, 2nd floor. PROVIDE AN ADEQUATE SUPPLY OF HEAT FOR THE APARTMENT IN THE ENTIRE APARTMENT LOCATED AT APT 2A, 2nd STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 2A), issued 2024-01-19. HPD violation 16601222
• Class B: Fire escape defect, 1st room from the north, 2nd floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE SPRING BALANCE AT FIRE ESCAPE WINDOW IN THE 1st ROOM FROM NORTH AT EAST LOCATED AT APT 2B, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 2B), issued 2026-09-03. HPD violation 19182046
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 2nd floor. (B)(1)(A) HMC, § 12-01, § 12-03 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL SMOKE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH DEPARTMENT OF BUILDINGS RULES AND REGULATIONS MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 2B, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 2B), issued 2026-09-03. HPD violation 19182045
• Class B: Missing or broken smoke / CO detector, throughout the apartment, 2nd floor. (B)(1)(B) HMC, § 12-06, § 12-07, § 12-09 RCNY REPAIR, REPLACE OR PROVIDE AN APPROVED AND OPERATIONAL CARBON MONOXIDE DETECTING DEVICE, INSTALLED IN ACCORDANCE WITH APPLICABLE LAW AND RULES MISSING IN THE ENTIRE APARTMENT LOCATED AT APT 2B, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 2B), issued 2026-09-03. HPD violation 19182044
• Class B: Appliance defect, kitchen, 2nd floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE GASKET AT REFRIGERATOR IN THE KITCHEN LOCATED AT APT 2B, 2nd STORY, 1st APARTMENT FROM NORTH AT EAST (apt 2B), issued 2026-09-03. HPD violation 19182043

311 housing complaints

26 in the last 12 months, 62 in 5 years. Most common: Heat/Hot Water (16), Door/Window (3), Plumbing (3), Unsanitary Condition (2), Water Leak (2).

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 1 infested, 1 treated, 0 re-infested

Buildings department (DOB)

No open DOB violations. 3 DOB violations on record. Check on DOB BIS.

Evictions and housing court

0 executed evictions in the last 3 years (0 on record). 0 open HPD cases; 0 harassment findings.

Rent stabilization

7 of 8 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: 7 in 2024, 7 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 3011490011, HPD building ID 221755. HPD Online, ACRIS, DOB BIS.

Nearest subway

• Park Pl (S), 4 min walk
• Franklin Av (S), 6 min walk
• Franklin Av (C), 6 min walk

How the grade is calculated

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.