893 recorded events, 1966–2026, from 21 city data systems. The city's paper trail here is mostly 241 311 service requests, 226 HPD complaints, 173 HPD housing violations.
Full record, year by year Support this site
The city's published records show little recorded distress here in the last three years. Less recorded distress than 59% 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 14.2. In ZIP 10032, 36% 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 | 141 total — 13 class C (immediately hazardous), 93 class B, 35 class A. Oldest open since 1997-11-06. |
status snapshot refreshed weekly from HPD records
6 heat or hot-water complaints in the last three years (winter 2025–26: 6).
No bedbug-infested units reported in the last three years of filings.
$4,305 in enforcement penalties imposed (ECB/OATH) in the last three years.
56 service requests in the last three years. Most common: Dirty Condition (19) · UNSANITARY CONDITION (6) · PAINT/PLASTER (4) · Noise (4) · Elevator (3) · HEAT/HOT WATER (3).
$2,058,960 in permitted construction work filed since 2016 (7 filings with a declared cost) — a rough measure of how actively the owner maintains the building. Permit costs cover filed construction work only — they do not capture routine maintenance or repairs done without a permit.
| Yes | Built before 1974 (1921) |
| Yes | Six or more residential units (31) |
| 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) | 834 RIVERSIDE DRIVE HDFC |
| Head officer | ALESSANDRO CIMINI |
| Managing agent | DEL MAR MANAGEMENT SERVICES IN |
| Last registered | 2025-07-07 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $2,328,000 | $1,047,600 |
| 2026 | $2,653,000 | $1,193,850 |
| 2027 | $2,738,000 | $1,232,100 |
The city's market estimate has risen 18% between tax years 2025 and 2027.
For property tax, the Department of Finance values this co-op as if it were a rental building. Its 2022 estimate: gross income $636,768 a year ($24.12 per sq ft), operating expenses $371,184 ($14.06 per sq ft), net operating income $265,584. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
| Energy grade (LL33) | C — ENERGY STAR score 68/100 (2022 disclosure cycle) |
| Heating fuel | NO2FUEL |
| Facade (Local Law 11) | UNSAFE — unsafe conditions reported (cycle 10) |
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 | 157 St — 1 · 650 ft straight-line (about a 3-minute walk) · station accessibility: none 163 St-Amsterdam Av — C · 0.3 mi straight-line (about a 7-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Fort Washington Av / W 160 St — M4 · 200 ft |
| Citi Bike | W 160 St & Riverside Dr · 500 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 004 Duke Ellington Middle: Community Math & Science Prep. 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.
834 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 |
56 311 service requests from this address in the last three years — 3 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 DEL MAR MANAGEMENT SERVICES IN — 3 buildings, 68 units. Grades across the portfolio: A1 · B2. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 256 South 4 Street | BK | 33 | B |
| 834 Riverside Drive | MN | 31 | A |
| 450 East 118 Street | MN | 4 | B |
Most recent mortgage recorded against this lot: $103,592 on 1998-07-07 (lender: Community Preservation Corporation). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2026-08-27 | RPTT&RET $295,000 — from 834 RIVERSIDE DRIVE HDFC to ASSALI, HADEEL K; MOYANO RODRIGUEZ, EDUARD I | $295,000 | |
| 2026-08-14 | Sold for $295,000 | $295,000 | $9,516 |
| 2025-10-08 | RPTT&RET $294,000 — from IGHARO, PAULETTE to FONG, JOEY JIAH WAE | $294,000 | |
| 2025-10-03 | RPTT&RET $349,999 — from CROUSILLAT, MARC to CASTEEL, REAGAN | $349,999 | |
| 2025-09-25 | Sold for $294,000 | $294,000 | $9,484 |
| 2025-09-24 | Sold for $349,999 | $349,999 | $11,290 |
| 2025-09-16 | RPTT&RET $499,999 — from ALTEN, SCOTT to CULLEY, TONYA L | $499,999 | |
| 2025-08-29 | Sold for $499,999 | $499,999 | $16,129 |
| 2025-04-02 | RPTT&RET $360,000 — from MCCORMACK, ALEKSANDRA to FISHER, JANON | $360,000 | |
| 2025-03-24 | Sold for $360,000 | $360,000 | $11,613 |
| 2025-03-14 | RPTT&RET $365,000 — from 834 RIVERSIDE DRIVE HOUSING DEVELOPMENT to REYNA, ANNA | $365,000 | |
| 2025-02-18 | RPTT&RET $349,000 — from MCCORMACK, JANINA to GOLLAN, ROSA | $349,000 | |
| 2025-02-06 | Sold for $349,000 | $349,000 | $11,258 |
| 2025-02-06 | Sold for $365,000 | $365,000 | $11,774 |
| 2024-10-11 | RPTT&RET $395,000 — from THOMPSON, MILLICENT K to CORNIER, CHRISTINE | $395,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 2 | 22 | 2 | 1 | 27 |
| 2018 | 3 | 12 | 15 | 3 | 2 | 35 |
| 2019 | 0 | 1 | 34 | 5 | 7 | 47 |
| 2020 | 1 | 0 | 14 | 0 | 1 | 16 |
| 2021 | 4 | 1 | 21 | 6 | 1 | 33 |
| 2022 | 0 | 0 | 36 | 5 | 6 | 47 |
| 2023 | 2 | 6 | 11 | 2 | 4 | 25 |
| 2024 | 1 | 4 | 21 | 2 | 5 | 33 |
| 2025 | 3 | 2 | 33 | 12 | 3 | 53 |
| 2026 | 2 | 2 | 32 | 2 | 4 | 42 |
Every one of the 893 recorded events, 1966–2026, is laid out year by year in the full report (print-ready).
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