594 Riverside Drive

594 Riverside Drive in West Harlem, Manhattan, has 40 open HPD violations, 4 of them class C, and no rent-stabilized units are on its tax bill, as of Oct 24, 2026. StreetSpy grade: F (45/100).

Multi-family elevator · 36 units · Built 1920

StreetSpy grade: F (Severe, 45/100)

• 4 immediately hazardous violations open (the class that covers no heat, pests, lead paint and similar).
• 6 heat or hot water complaints to 311 in the last 12 months.
• The head officer on this registration is named on 55 buildings' registrations; 12 graded D or F.
• No rent-stabilized units on the tax bill. Increases aren't capped by stabilization, though Good Cause Eviction may still limit them.

More open violations per unit than 7 in 10 Manhattan buildings this size.

• Repairs: High (40 open, 4 class C), records as of Oct 24, 2026
• Heat and hot water: 6 complaints, 12 mo, records as of Oct 23, 2026
• Pests: Clear (Owner reported none, 3 yr), records as of Oct 26, 2026
• Safety: Clear (1 open DOB violation), 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)

40 open violations: 4 class C (immediately hazardous), 26 class B, 10 class A. 18 issued in the last 12 months. 425 on record. Oldest open violation issued 2017-09-18. Newest violation issued 2026-09-30.

4 closed in the last 90 days. Median 1,708 days from issue to close for the 70 violations closed in the last 12 months.

• Class C: Mold, south wall, bathroom, 2nd floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... 4 SQ FT AT CEILING QD 10 SQ FT AT SOUTH WALL IN THE BATHROOM LOCATED AT APT 2H, 2nd STORY, 3rd APARTMENT FROM WEST AT NORTH , SECTION AT SOUTHEAST ORIGINAL VIOLATION 13891074 ISSUED 02-DEC-20 HAS BEEN UPGRADED TO CLASS C PER ADMINISTRATIVE CODE 27-2017.3a(5)(a) or (b). (apt 2H), issued 2026-06-23. HPD violation 19032576
• Class C: Self-closing door not working, 4th floor. , 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 IN THE ENTRANCE LOCATED AT APT 4E, 4th STORY, 1st APARTMENT FROM WEST AT NORTH (apt 4E), issued 2025-07-29. HPD violation 18120223
• Class C: Mold, ceiling, bathroom, 2nd floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... EVIDENCE OF MOLD AT CEILING (APPROX 24 SQ.FT) SOUTH WALL APPROX (12 SQ FT) AND WEST WALL (APPROX 8 SQ. FT. TOTAL APPROX 40 SQ FT). IN THE BATHROOM LOCATED AT APT 2H, 2nd STORY, 4th APARTMENT FROM WEST AT NORTH (apt 2H), issued 2021-08-11. HPD violation 14475315
• Class C: Mold, ceiling, bathroom, 1st floor. HMC: TRACE AND REPAIR THE SOURCE AND ABATE THE VISIBLE MOLD CONDITION... AT CEILING (30 SQ.FT.), WEST WALL (10 SQ.FT.), SOUTH WALL (8 SQ.FT.), NORTH WALL (2 SQ.FT.) CEILING IN THE 1st BATHROOM FROM EAST LOCATED AT APT 1K, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 1K), issued 2019-02-12. HPD violation 12901549
• Class B: Damaged plaster or paint, ceiling, bathroom, 1st floor. HMC: PROPERLY REPAIR OR REPLACE THE BROKEN OR DEFECTIVE AIR VENTILATION SYSTEM AT THE CEILING IN THE 1st BATHROOM FROM EAST LOCATED AT APT 1K, 1st STORY, 1st APARTMENT FROM EAST AT SOUTH (apt 1K), issued 2026-09-30. HPD violation 19266845
• Class B: Fire escape defect. , 2007 ADM CODE AND DEPT. RULES AND REGULATIONS. REMOVE THE ENCUMBRANCE OBSTRUCTING EGRESS FROM FIRE ESCAPES CONSISITING OF AIR CONDITIONER RESTING ON THE BALCONY AT 2ND STORY OF THE 2ND FIRE ESCAPE FROM EAST AT NORTH, issued 2026-06-30. HPD violation 19041361
• Class B: Garbage not removed. PROVIDE SUFFICIENT, PROPER AND SEPARATE METAL RECEPTACLES FOR THE DEPOSIT OF GARBAGE, RUBBISH AND OTHER WASTE MATERIAL AND ARRANGE FOR COLLECTION AND DISPOSAL OF SUCH MATERIAL., issued 2026-06-08. HPD violation 18986254
• Class B: Garbage not removed (basement). , 2011, 2012 ADM CODE REMOVE THE ACCUMULATION OF REFUSE AND/OR RUBBISH AND MAINTAIN IN A CLEAN CONDITION THE COMPACTOR CLOSET AT CELLAR, issued 2026-06-08. HPD violation 18986255

311 housing complaints

24 in the last 12 months, 76 in 5 years. Most common: Unsanitary Condition (7), Heat/Hot Water (6), Water Leak (4), Door/Window (3), Paint/Plaster (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: Owner reported 0 infested units
• 2025: Owner reported 0 infested units
• 2024: Owner reported 0 infested units
• 2023: Owner reported 0 infested units
• 2022: No bedbug filing on record for this year
• 2021: Owner reported 1 infested, 1 treated, 0 re-infested

Buildings department (DOB)

1 open DOB violation. 4 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

No rent-stabilized units on the tax bill.

Owner and management

Owner: HUDSON PIERS ASSOCIATES. Head officer: STEPHEN R KRAUS. Managing agent: ASHTON MANAGEMENT CORP. This owner has 55 buildings on record, 12 graded D or F. See the full portfolio.

Last HPD registration Aug 19, 2025. Registration on file through Sep 1, 2026; renewal not yet in the city's data.

Tax lot and city IDs

BBL 1020020067, HPD building ID 27314. HPD Online, ACRIS, DOB BIS.

Nearest subway

• 137 St-City College (1), 2 min walk
• 145 St (1), 9 min walk
• 125 St (1), 9 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.