3,332 recorded events, 1973–2026, from 16 city data systems. The city's paper trail here is mostly 1,882 HPD complaints, 765 311 service requests, 425 HPD housing violations.
Full record, year by year Support this site
A modest record — below the level that usually signals systemic problems. More recorded distress than 75% of 25-99-unit residential buildings citywide. The citywide median for 25-99-unit residential buildings is 23.6 penalty points per 10 units; this building carries 83.9. In ZIP 10031, 40% of residential buildings hold an A and 14% grade D or F. How grades work
Among 17,252 25-99-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 40 total — 4 class C (immediately hazardous), 26 class B, 10 class A. Oldest open since 2017-09-13. |
status snapshot refreshed weekly from HPD records
23 heat or hot-water complaints in the last three years (winter 2024–25: 6 · winter 2025–26: 12). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
$5,000 in enforcement penalties imposed (ECB/OATH) in the last three years.
116 service requests in the last three years. Most common: Noise (22) · Elevator (18) · UNSANITARY CONDITION (11) · HEAT/HOT WATER (11) · Rodent (8) · WATER LEAK (8).
No permitted work with a declared cost filed in the last decade. Permit costs cover filed construction work only — they do not capture routine maintenance or repairs done without a permit.
| Yes | Built before 1974 (1920) |
| Yes | Six or more residential units (36) |
| No | 421-a / J-51 tax benefit on the current tax roll |
2 of 3 signals present. This is the classic profile of a rent-stabilized building (pre-1974, 6+ units) — many units in such buildings remain stabilized. The definitive answer for any unit: request its rent history from NYS Homes & Community Renewal (free, at hcr.ny.gov).
| Registered owner(s) | HUDSON PIERS ASSOCIATES |
| Head officer | STEPHEN R KRAUS |
| Managing agent | ASHTON MANAGEMENT CORP |
| Last registered | 2025-08-19 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $8,902,000 | $4,005,900 |
| 2026 | $9,021,000 | $4,059,450 |
| 2027 | $9,242,000 | $4,158,900 |
The city's market estimate has risen 4% between tax years 2025 and 2027.
Tax exemptions on the roll: REDEVELOPMENT
| Energy grade (LL33) | D — ENERGY STAR score 1/100, posted at the entrance by law (2022 disclosure cycle) |
Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).
Not in a hurricane evacuation zone.
Not in the city's stormwater (cloudburst) flood maps under any modeled scenario.
No street-flooding or sewer-backup complaints on record at this address.
Sources: FEMA flood maps (coastal), NYC DEP Stormwater Flood Maps (cloudburst), NYC hurricane evacuation zones, and 311 records for this address.
| Subway | 137 St-City College — 1 · 500 ft straight-line (about a 2-minute walk) · station accessibility: partial (Uptown only) |
| Bus | Nearest boarding stop: Riverside Dr / W 137 St — M11 · 200 ft |
| Citi Bike | Riverside Dr & W 138 St · 450 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 192 Jacob H. Schiff Middle: Harold O. Levy School. Confirm with the DOE's school search. |
Distances are straight-line, not walking routes. Transit locations from the MTA and Citi Bike, bike facilities from NYC DOT, school zones from the DOE's 2024–25 maps.
594 Riverside Drive
| Heat or hot water | Heat or hot water |
| Apartment maintenance | Apartment maintenance |
| Bed bugs | Bed bugs |
| Residential pests | Residential pests |
| Rats or mice | Rats or mice |
| Anything else | Anything else |
116 311 service requests from this address in the last three years — 11 of them about heat or hot water.
311 will ask for the address, the apartment if the problem is inside, and what's wrong. Contact details are optional for most complaints; food-poisoning reports can be anonymous. Complaints appear in the city's public 311 data, usually within a day or two, and then in the Live from 311 box on this page.
Managed by ASHTON MANAGEMENT CORP — 42 buildings, 1,439 units. Grades across the portfolio: A15 · B19 · C5 · D2 · F1. See the whole portfolio
Most recent mortgage recorded against this lot: $351,917 on 2025-01-06 (lender: JPMorgan Chase Bank, N.A.). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2025-01-06 | Agreement $12,900,000 — from HUDSON PIERS ASSOCIATES, L.P. to JPMORGAN CHASE BANK, N.A. | $12,900,000 | |
| 2025-01-06 | Mortgage $351,917 — from HUDSON PIERS ASSOCIATES, L.P. to JPMORGAN CHASE BANK, N.A. | $351,917 | |
| 2020-02-11 | AL&R $14,000,000 — from HUDSON PIERS ASSOCIATES, L.P. to CAPITAL ONE, NATIONAL ASSOCIATION | $14,000,000 | |
| 2020-02-11 | Agreement $14,000,000 — from HUDSON PIERS ASSOCIATES, L.P. to CAPITAL ONE, NATIONAL ASSOCIATION | $14,000,000 | |
| 2020-02-11 | Mortgage $2,213,983 — from HUDSON PIERS ASSOCIATES, L.P. to CAPITAL ONE, NATIONAL ASSOCIATION | $2,213,983 | |
| 2017-10-27 | AL&R $1,700,000 — from HUDSON PIERS ASSOCIATES, L.P. to SIGNATURE BANK | $1,700,000 | |
| 2017-10-27 | Mortgage $1,700,000 — from HUDSON PIERS ASSOCIATES, L.P. to SIGNATURE BANK | $1,700,000 | |
| 2015-03-23 | Mortgage $2,071,155 — from HUDSON PIERS ASSOCIATES, L.P. to SIGNATURE BANK | $2,071,155 | |
| 2015-03-23 | AL&R $11,250,000 — from HUDSON PIERS ASSOCIATES, L.P. | $11,250,000 | |
| 2011-12-27 | AL&R $9,700,000 — from HUDSON PIERS ASSOCIATES, L.P. to SIGNATURE BANK | $9,700,000 | |
| 2011-12-27 | Agreement $9,700,000 — from HUDSON PIERS ASSOCIATES, L.P. to SIGNATURE BANK | $9,700,000 | |
| 2011-12-27 | Mortgage $5,902,511 — from HUDSON PIERS ASSOCIATES, L.P. to SIGNATURE BANK | $5,902,511 | |
| 2011-11-14 | RPTT&RET $176,229 — from SPIELMAN, MICHAEL to 596 RIVERSIDE DRIVE INC. | $176,229 | |
| 2011-07-11 | RPTT&RET $855,062 — from FRANZBLAU, SARAH to 596 RIVERSIDE PARTNERS LLC | $855,062 | |
| 2011-07-11 | RPTT&RET $1,847,851 — from THE SPIELMAN FAMILY TRUST to 596 RIVERSIDE PARTNERS LLC | $1,847,851 |
| Year | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|
| 2017 | 3 | 50 | 3 | 2 | 58 |
| 2018 | 2 | 87 | 0 | 1 | 90 |
| 2019 | 2 | 187 | 0 | 0 | 189 |
| 2020 | 2 | 94 | 9 | 1 | 106 |
| 2021 | 0 | 128 | 0 | 2 | 130 |
| 2022 | 1 | 27 | 0 | 2 | 30 |
| 2023 | 3 | 165 | 0 | 10 | 178 |
| 2024 | 4 | 70 | 0 | 7 | 81 |
| 2025 | 9 | 73 | 4 | 4 | 90 |
| 2026 | 4 | 92 | 0 | 5 | 101 |
Every one of the 3,332 recorded events, 1973–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10031 · Landlord rankings · How grades work · The map · The Mice Map