452 St Nicholas Avenue

452 St Nicholas Avenue in East Harlem, Manhattan, has 100 open HPD violations, 17 of them class C, and 10 of 10 units are rent-stabilized, as of Oct 24, 2026. StreetSpy grade: F (35/100).

City program owner (HDFC) · Multi-family walk-up · 10 units · Built 1901

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, 35/100)

• 17 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 6 open violations are classified rent-impairing under NY Multiple Dwelling Law section 302-a.
• 8 heat or hot water complaints to 311 in the last 12 months.
• 10 of 10 units are rent-stabilized.

More open violations per unit than 9 in 10 Manhattan buildings this size.

• Repairs: High (100 open, 17 class C), records as of Oct 24, 2026
• Heat and hot water: 8 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)

100 open violations: 17 class C (immediately hazardous), 58 class B, 24 class A, 1 class I (HPD orders such as lead paint or heat orders, not a hazard class). 39 issued in the last 12 months. 378 on record. Oldest open violation issued 2016-12-22. Newest violation issued 2026-08-04.

0 closed in the last 90 days. Median 24 days from issue to close for the 4 violations closed in the last 12 months.

6 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: Self-closing door not working (roof). , 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 LATCH SET AT BULKHEAD ROOF DOOR , 5th STORY, issued 2026-08-04. HPD violation 19122301
• Class C: Mice, throughout the apartment, 4th floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 4B, 4th STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 4B), issued 2026-04-30. HPD violation 18825684
• Class C: Mice, throughout the apartment, 5th floor. HMC ADM CODE: § 27-2017.4 ABATE THE INFESTATION CONSISTING OF MICE IN THE ENTIRE APARTMENT LOCATED AT APT 5A, 5th STORY, 1st APARTMENT FROM SOUTH AT WEST (apt 5A), issued 2026-04-30. HPD violation 18825682
• Class C: Rats (hallway). 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 ALL YARDS, issued 2026-04-13. HPD violation 18780366
• Class C: No heat / heating defect (basement). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT CELLAR AT BOILER ROOM, issued 2026-01-30. HPD violation 18602899
• Class C: No heat / heating defect, throughout the apartment, 1st floor. PROVIDE AN ADEQUATE SUPPLY OF HEAT FOR THE APARTMENT IN THE ENTIRE APARTMENT LOCATED AT APT 1B, 1st STORY, 1st APARTMENT FROM WEST AT NORTH (apt 1B), issued 2026-01-30. HPD violation 18602898
• Class C: No heat / heating defect (basement). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM LOCKED DOOR AT BASEMENT AT BOILER ROOM, issued 2026-01-28. HPD violation 18597127
• Class C: No heat / heating defect (basement). PROVIDE READY ACCESS TO BUILDINGS HEATING SYSTEM DOOR LOCKED AT CELLAR AT BOILER ROOM, issued 2024-07-08. HPD violation 17099426

311 housing complaints

17 in the last 12 months, 45 in 5 years. Most common: Heat/Hot Water (8), Unsanitary Condition (6), Door/Window (1), Plumbing (1), Water Leak (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: No bedbug filing on record for this year
• 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

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

Rent stabilization

10 of 10 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: 10 in 2024, 10 in 2007. Source: DOF tax bills for 2007 and 2024; years with no bill on file are left out.

Owner and management

Owner: ECDO HOUSES ASSOCIATES LP. Head officer: STANLEY CELIUS. Managing agent: CONCORD MANAGEMENT OF NY LLC. This owner has 60 buildings on record, 56 graded D or F. See the full portfolio.

Last HPD registration Dec 8, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 1019580041, HPD building ID 838109. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 135 St (C, B), 4 min walk
• 125 St (A, C, B, D), 7 min walk
• 135 St (2, 3), 8 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.