1,234 recorded events, 2013–2026, from 16 city data systems. The city's paper trail here is mostly 909 311 service requests, 149 ACRIS deeds & mortgages, 72 HPD complaints.
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 100+-unit residential buildings citywide. The citywide median for 100+-unit residential buildings is 3.7 penalty points per 10 units; this building carries 2.2. In ZIP 10023, 77% of residential buildings hold an A and 3% grade D or F. How grades work
Among 4,677 100+-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 2 total — 0 class C (immediately hazardous), 2 class B, 0 class A. Oldest open since 2020-12-18. |
status snapshot refreshed weekly from HPD records
14 heat or hot-water complaints in the last three years (winter 2023–24: 2 · winter 2024–25: 6 · winter 2025–26: 6). Repeated winter clusters suggest a chronic heating problem.
6 bedbug-infested unit(s) reported in filings over the last three years.
$8,750 in enforcement penalties imposed (ECB/OATH) in the last three years.
449 service requests in the last three years. Most common: Noise (206) · Illegal Parking (82) · UNSANITARY CONDITION (18) · School Maintenance (18) · FLOORING/STAIRS (8) · Dirty Condition (7).
$4,744 in permitted construction work filed since 2016 (3 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.
| No | Built before 1974 (2013) |
| Yes | Six or more residential units (616) |
| Yes | 421-a / J-51 tax benefit on the current tax roll |
2 of 3 signals present. Buildings receiving 421-a or J-51 benefits are generally required to register their units as rent-stabilized for the duration of the benefit. The definitive answer for any unit: request its rent history from NYS Homes & Community Renewal (free, at hcr.ny.gov).
| Registered owner(s) | RIVERSIDE CENTER PARCEL 2 BIT ASSOCIATES, LLC |
| Head officer | DREW SPITLER |
| Managing agent | DERMOT REALTY MANAGEMENT CO |
| Last registered | 2025-10-28 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $0 | $0 |
| 2026 | $0 | $0 |
| 2027 | $0 | $0 |
Tax exemptions on the roll: 421A 20 YR NO CAP
For property tax, the Department of Finance values this condo as if it were a rental building. Its 2023 estimate: gross income $36,383,663 a year ($53.23 per sq ft), operating expenses $7,641,731 ($11.18 per sq ft), net operating income $28,741,932. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
| Heating fuel | NO2FUEL |
| Restaurant | Cuisine | Grade | Notes |
|---|---|---|---|
| Peperino | Pizza | A | — |
| Starbucks #50611 | Coffee/Tea | A | Mice evidence |
| Suram | Japanese | A | Mice evidence |
Report to 311: Food poisoning · Food safety complaint
3 restaurants · 2 with mice evidence · See them on the Mice Map
5 Food Establishment complaints to 311 at this address in the last three years (most often: Rodents/Insects/Garbage, Handwashing, Kitchen/Food Prep Area), shared by 3 restaurants · complaints filed by the public; DOHMH investigates, outcomes aren't published.
Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).
Hurricane evacuation zone 2 of 6 — zone 1 evacuates first.
Not in the city's stormwater (cloudburst) flood maps under any modeled scenario.
1 street-flooding or sewer-backup complaints at this address since 2024 (1 in the last three years).
Sources: FEMA flood maps (coastal), NYC DEP Stormwater Flood Maps (cloudburst), NYC hurricane evacuation zones, and 311 records for this address.
| Subway | 66 St-Lincoln Center — 1 · 0.4 mi straight-line (about an 11-minute walk) · station accessibility: full 59 St-Columbus Circle — 1 A B C D · 0.5 mi straight-line (about a 13-minute walk) · station accessibility: full |
| Bus | Nearest boarding stop: West End Av / W 61 St — M57 · 250 ft |
| Citi Bike | West End Ave & W 60 St · 150 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: The Riverside School for Makers and Artists. 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.
21 West End Avenue
| 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 |
| Food poisoning | Food poisoning |
| Food safety complaint | Food safety complaint |
| Anything else | Anything else |
449 311 service requests from this address in the last three years — 6 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 DERMOT REALTY MANAGEMENT COMPANY — 12 buildings, 3,698 units. Grades across the portfolio: A11 · B1. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 21 West End Avenue | MN | 616 | A |
| 101 West End Avenue | MN | 503 | A |
| 29-22 Northern Boulevard | QN | 467 | A |
| 95 East Houston Street | MN | 361 | A |
| 29 Flatbush Avenue | BK | 326 | A |
| 1263 East 14 Street | BK | 302 | A |
| 760 3 Avenue | MN | 284 | A |
| 546 West 44 Street | MN | 280 | A |
| 236 Livingston Street | BK | 271 | A |
| 23 Caton Place | BK | 126 | B |
| 101 3 Avenue | BK | 84 | A |
| 101 Avenue D | MN | 78 | A |
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2026-04-08 | Agreement $80,000,000 — from RIVERSIDE CENTER 2 BIT OWNER, LLC to MIZUHO CAPITAL MARKETS LLC | $80,000,000 | |
| 2026-04-08 | Mortgage $30,000,000 — from RIVERSIDE CENTER 2 BIT OWNER, LLC to MIZUHO CAPITAL MARKETS LLC | $30,000,000 | |
| 2026-04-08 | Agreement $80,000,000 — from RIVERSIDE CENTER 2 BIT OWNER, LLC to MIZUHO CAPITAL MARKETS LLC | $80,000,000 | |
| 2026-04-08 | Agreement $80,000,000 — from RIVERSIDE CENTER 2 BIT OWNER, LLC to MIZUHO CAPITAL MARKETS LLC | $80,000,000 | |
| 2026-04-08 | Mortgage $30,000,000 — from RIVERSIDE CENTER 2 BIT OWNER, LLC to MIZUHO CAPITAL MARKETS LLC | $30,000,000 | |
| 2026-04-08 | Mortgage $30,000,000 — from RIVERSIDE CENTER 2 BIT OWNER, LLC to MIZUHO CAPITAL MARKETS LLC | $30,000,000 | |
| 2026-04-08 | Agreement $275,000 — from RIVERSIDE CENTER 2 BIT OWNER, LLC to NEW YORK STATE HOUSING FINANCE AGENCY | $275,000 | |
| 2026-04-08 | Agreement $275,000 — from RIVERSIDE CENTER 2 BIT OWNER, LLC to NEW YORK STATE HOUSING FINANCE AGENCY | $275,000 | |
| 2026-04-08 | AL&R $80,000,000 — from RIVERSIDE CENTER PARCEL 2 BIT LI OWNER, to MIZUHO CAPITAL MARKETS LLC | $80,000,000 | |
| 2026-04-08 | Agreement $275,000 — from RIVERSIDE CENTER 2 BIT OWNER, LLC to NEW YORK STATE HOUSING FINANCE AGENCY | $275,000 | |
| 2024-02-16 | RPTT $105,171,185 — from FDIC AS RECEIVER FOR SIGNATURE BRIDGE BA to UIG LIHTC INVESTOR LLC | $105,171,185 | |
| 2018-03-08 | AL&R $50,000,000 — from RIVERSIDE CENTER 2 BIT OWNER, LLC to NEW YORK STATE HOUSING FINANCE AGENCY | $50,000,000 | |
| 2018-03-08 | Mortgage $50,000,000 — from RIVERSIDE CENTER 2 BIT OWNER, LLC to NEW YORK STATE HOUSING FINANCE AGENCY | $50,000,000 | |
| 2018-03-08 | Mortgage $50,000,000 — from RIVERSIDE CENTER 2 BIT OWNER, LLC to NEW YORK STATE HOUSING FINANCE AGENCY | $50,000,000 | |
| 2018-03-08 | AL&R $50,000,000 — from RIVERSIDE CENTER 2 BIT OWNER, LLC to NEW YORK STATE HOUSING FINANCE AGENCY | $50,000,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 2 | 1 | 33 | 0 | 0 | 36 |
| 2018 | 4 | 0 | 54 | 62 | 0 | 120 |
| 2019 | 0 | 3 | 35 | 0 | 0 | 38 |
| 2020 | 3 | 2 | 96 | 1 | 0 | 102 |
| 2021 | 1 | 1 | 147 | 0 | 0 | 149 |
| 2022 | 0 | 0 | 56 | 0 | 1 | 57 |
| 2023 | 0 | 3 | 104 | 1 | 2 | 110 |
| 2024 | 0 | 4 | 118 | 1 | 5 | 128 |
| 2025 | 0 | 1 | 115 | 0 | 6 | 122 |
| 2026 | 0 | 3 | 260 | 35 | 2 | 300 |
Every one of the 1,234 recorded events, 2013–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10023 · Landlord rankings · How grades work · The map · The Mice Map