330 recorded events, 1969–2026, from 18 city data systems. The city's paper trail here is mostly 77 ACRIS deeds & mortgages, 43 DOB permits, 38 DOB job filings.
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 81% of 6-24-unit residential buildings citywide. The citywide median for 6-24-unit residential buildings is 16.3 penalty points per 10 units; this building carries 2.9. In ZIP 10075, 82% of residential buildings hold an A and 2% grade D or F. How grades work
Among 46,798 6-24-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 8 total — 2 class C (immediately hazardous), 5 class B, 1 class A. Oldest open since 1984-02-28. |
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.
$1,250 in enforcement penalties imposed (ECB/OATH) in the last three years.
1 service requests in the last three years. Most common: Elevator (1).
$1,085,000 in permitted construction work filed since 2016 (16 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 (1894) |
| Yes | Six or more residential units (21) |
| 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) | 51 EAST 78TH STREET OWNERS CORP |
| Head officer | MARK HOFFMAN |
| Managing agent | HOFFMAN MANAGEMENT |
| Last registered | 2025-07-28 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $4,147,000 | $1,866,150 |
| 2026 | $4,732,000 | $2,129,400 |
| 2027 | $4,582,000 | $2,061,900 |
The city's market estimate has risen 10% 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 $810,475 a year ($55.55 per sq ft), operating expenses $310,329 ($21.27 per sq ft), net operating income $500,145. 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.
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 | 77 St — 6 · 800 ft straight-line (about a 4-minute walk) · station accessibility: none 86 St — 4 5 6 · 0.4 mi straight-line (about an 11-minute walk) · station accessibility: partial (Uptown local only) |
| Bus | Nearest boarding stop: E 79 St / Madison Av — M79-SBS · 200 ft · Select Bus Service |
| Citi Bike | E 76 St & Park Ave · 650 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.
51 East 78 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 |
1 311 service request 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 HOFFMAN MANAGEMENT — 69 buildings, 3,893 units. Grades across the portfolio: A64 · B4 · D1. See the whole portfolio
showing 60 of 69 buildings
Most recent mortgage recorded against this lot: $200,000 on 2022-03-03 (lender: National Consumer Cooperative Bank). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2026-07-07 | RPTT&RET $440,000 — from NACHMAN, PATRICIA A to KARPIDAS, ELISABETH | $440,000 | |
| 2026-06-30 | Sold for $440,000 | $440,000 | $20,952 |
| 2026-03-09 | RPTT&RET $1,578,000 — from JULIA A SMITH, AS TRUSTEE; MARY HELEN MCNEAL AS TRUSTEE; EDWARD J MCNEAL SR IRREV TR DTD 7 to CHOA, NINA TRAIN | $1,578,000 | |
| 2026-03-09 | RPTT&RET $1,578,000 — from JULIA A SMITH, AS TRUSTEE; MARY HELEN MCNEAL AS TRUSTEE; EDWARD J MCNEAL SR IRREV TR DTD 7 to CHOA, NINA TRAIN | $1,578,000 | |
| 2026-03-04 | Sold for $1,578,000 | $1,578,000 | $75,143 |
| 2024-07-10 | RPTT&RET $785,000 — from VANYO, REBECCA; VANYO, BRUCE to LUCCIOLA, FRANCESCO | $785,000 | |
| 2024-06-26 | Sold for $785,000 | $785,000 | $37,381 |
| 2023-05-25 | RPTT&RET $900,000 — from IRWIN, THOMAS L; IRWIN, MEGAN to KEENAN, PETER | $900,000 | |
| 2023-05-11 | Sold for $900,000 | $900,000 | $42,857 |
| 2022-03-03 | AL&R $200,000 — from 51-78 OWNERS CORP. to NATIONAL CONSUMER COOPERATIVE BANK | $200,000 | |
| 2022-03-03 | Mortgage $200,000 — from 51-78 OWNERS CORP. to NATIONAL CONSUMER COOPERATIVE BANK | $200,000 | |
| 2022-03-03 | AL&R $450,000 — from 51-78 OWNERS CORP. to NATIONAL CONSUMER COOPERATIVE BANK | $450,000 | |
| 2022-03-03 | Mortgage $450,000 — from 51-78 OWNERS CORP. to NATIONAL CONSUMER COOPERATIVE BANK | $450,000 | |
| 2021-10-25 | RPTT&RET $945,000 — from KAVANAGH, MOLLY to SEVEN, SARAH | $945,000 | |
| 2021-10-20 | RPTT&RET $749,000 — from BYRON, ANTOINETTE to VANYO, BRUCE; VANYO, REBECCA | $749,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 5 | 0 | 1 | 0 | 2 | 8 |
| 2018 | 7 | 0 | 4 | 2 | 3 | 16 |
| 2019 | 2 | 1 | 0 | 0 | 3 | 6 |
| 2020 | 9 | 0 | 0 | 2 | 1 | 12 |
| 2021 | 6 | 0 | 3 | 6 | 2 | 17 |
| 2022 | 3 | 0 | 3 | 12 | 1 | 19 |
| 2023 | 0 | 0 | 5 | 2 | 1 | 8 |
| 2024 | 0 | 0 | 1 | 2 | 1 | 4 |
| 2025 | 0 | 2 | 2 | 0 | 3 | 7 |
| 2026 | 0 | 0 | 0 | 5 | 2 | 7 |
Every one of the 330 recorded events, 1969–2026, is laid out year by year in the full report (print-ready).
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