384 recorded events, 1973–2026, from 17 city data systems. The city's paper trail here is mostly 98 ACRIS deeds & mortgages, 59 DOB permits, 53 DOB 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 73% 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 5.1. In ZIP 10028, 79% of residential buildings hold an A and 3% 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 | 5 total — 2 class C (immediately hazardous), 0 class B, 3 class A. Oldest open since 2024-11-22. |
status snapshot refreshed weekly from HPD records
No heat or hot-water complaints in the last three years.
No bedbug-infested units reported in the last three years of filings.
$625 in enforcement penalties imposed (ECB/OATH) in the last three years.
10 service requests in the last three years. Most common: Vendor Enforcement (5) · WATER LEAK (1) · Street Condition (1) · Illegal Parking (1) · Emergency Response Team (ERT) (1) · GENERAL (1).
$2,026,520 in permitted construction work filed since 2016 (24 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 (1900) |
| Yes | Six or more residential units (25) |
| 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) | 18-20 PARK 84 CORP |
| Head officer | RAYMOND CHRISTINA |
| Managing agent | CORNERSTONE MGMT SYSTEMS INC. |
| Last registered | 2023-08-23 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $6,381,000 | $2,871,450 |
| 2026 | $6,912,000 | $3,110,400 |
| 2027 | $6,621,000 | $2,979,450 |
The city's market estimate has risen 4% 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 $1,071,434 a year ($44.74 per sq ft), operating expenses $300,068 ($12.53 per sq ft), net operating income $771,365. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
| Heating fuel | NO2FUEL |
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.
5 street-flooding or sewer-backup complaints at this address since 2010 (0 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 | 86 St — 4 5 6 · 0.2 mi straight-line (about a 6-minute walk) · station accessibility: partial (Uptown local only) |
| Bus | Nearest boarding stop: E 84 St / 5 Av — M86-SBS · 150 ft · Select Bus Service |
| Citi Bike | Madison Ave & E 82 St · 500 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 006 Lillie D. Blake Middle: J.H.S. 167 Robert F. Wagner. 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.
20 East 84 Street
| 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 |
10 311 service requests from this address in the last three years.
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 CORNERSTONE MGMT SYSTEMS INC — 113 buildings, 1,524 units. Grades across the portfolio: A94 · B12 · C6. See the whole portfolio
showing 60 of 113 buildings
Most recent mortgage recorded against this lot: $27,596,328 on 2026-07-15 (lender: Deutsche Bank Ag, New York Branch), covering 2 lots — the amount covers all of them. Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2026-07-15 | Mortgage $27,596,328 — from MADISON AVE OWNER LLC to DEUTSCHE BANK AG, NEW YORK BRANCH | $27,596,328 | |
| 2026-07-15 | Mortgage $12,253,672 — from MADISON AVE OWNER LLC to DEUTSCHE BANK AG, NEW YORK BRANCH | $12,253,672 | |
| 2026-03-09 | RPTT&RET $710,000 — from DALY, MARTIN to LUCIDO, DAVID | $710,000 | |
| 2026-03-03 | Sold for $710,000 | $710,000 | $28,400 |
| 2025-08-22 | Mortgage $26,546,100 — from MADISON AVE OWNER LLC to DEUTSCHE BANK AG, NEW YORK BRANCH | $26,546,100 | |
| 2025-08-22 | Mortgage $14,453,900 — from MADISON AVE OWNER LLC to DEUTSCHE BANK AG, NEW YORK BRANCH | $14,453,900 | |
| 2024-08-05 | Mortgage $3,710,214 — from MADISON AVE OWNER LLC to DEUTSCHE BANK AG, NEW YORK BRANCH | $3,710,214 | |
| 2024-08-05 | Agreement $59,844,000 — from MADISON AVE OWNER LLC to DEUTSCHE BANK AG, NEW YORK BRANCH | $59,844,000 | |
| 2024-08-05 | Mortgage $86,420,000 — from MADISON AVE OWNER LLC to DEUTSCHE BANK AG, NEW YORK BRANCH | $86,420,000 | |
| 2024-08-05 | Mortgage $48,836,000 — from MADISON AVE OWNER LLC to DEUTSCHE BANK AG, NEW YORK BRANCH | $48,836,000 | |
| 2024-08-05 | AL&R $195,100,000 — from MADISON AVE OWNER LLC to DEUTSCHE BANK AG, NEW YORK BRANCH | $195,100,000 | |
| 2024-01-25 | Agreement $9,237,906 — from 18-20 PARK 84 CORP. to MADISON AVE OWNER LLC | $9,237,906 | |
| 2023-04-04 | RPTT&RET $730,000 — from ESTATE OF DEBORAH FREDERICKS to KANNALIKHAM, THAMMANOUNE | $730,000 | |
| 2023-02-28 | RPTT&RET $825,000 — from ENGEL, JOHN P; AMIN, NILS CRISTER; ESTATE OF ULLA WALLACE to MORETTI, FABRIZIO | $825,000 | |
| 2023-02-07 | Sold for $825,000 | $825,000 | $33,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 4 | 4 | 1 | 6 | 4 | 19 |
| 2018 | 10 | 4 | 1 | 2 | 4 | 21 |
| 2019 | 6 | 0 | 7 | 1 | 3 | 17 |
| 2020 | 2 | 0 | 3 | 7 | 2 | 14 |
| 2021 | 0 | 0 | 3 | 2 | 2 | 7 |
| 2022 | 3 | 0 | 2 | 3 | 3 | 11 |
| 2023 | 3 | 1 | 7 | 6 | 4 | 21 |
| 2024 | 15 | 3 | 5 | 21 | 6 | 50 |
| 2025 | 16 | 1 | 3 | 2 | 1 | 23 |
| 2026 | 2 | 1 | 7 | 6 | 1 | 17 |
Every one of the 384 recorded events, 1973–2026, is laid out year by year in the full report (print-ready).
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