224 recorded events, 1971–2026, from 17 city data systems. The city's paper trail here is mostly 60 DOB permits, 35 DOB violations, 33 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 83% 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. 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 | 1 total — 0 class C (immediately hazardous), 0 class B, 1 class A. Oldest open since 1980-07-30. |
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 service requests in the last three years. Most common: Illegal Parking (1).
$897,500 in permitted construction work filed since 2016 (10 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 (1931) |
| Yes | Six or more residential units (15) |
| 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) | 891 PARK AVENUE CORPORATION |
| Head officer | NANCY CALIFANO |
| Managing agent | HALSTEAD MANAGEMENT CO. |
| Last registered | 2025-07-16 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $7,927,000 | $3,567,150 |
| 2026 | $8,732,000 | $3,929,400 |
| 2027 | $8,027,000 | $3,612,150 |
The city's market estimate has risen 1% between tax years 2025 and 2027.
Tax exemptions on the roll: COLD WAR VETERAN - DISABILITY
For property tax, the Department of Finance values this co-op as if it were a rental building. Its 2021 estimate: gross income $1,580,500 a year ($54.50 per sq ft), operating expenses $544,910 ($18.79 per sq ft), net operating income $1,035,590. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
| Heating fuel | NO2FUEL |
| Facade (Local Law 11) | SWARMP — "Safe With A Repair and Maintenance Program": known facade conditions that must be repaired (cycle 9) |
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 · 450 ft straight-line (about a 2-minute walk) · station accessibility: none 86 St — 4 5 6 · 0.4 mi straight-line (about a 10-minute walk) · station accessibility: partial (Uptown local only) |
| Bus | Nearest boarding stop: E 79 St / Lexington Av — M79-SBS · 350 ft · Select Bus Service |
| Citi Bike | E 76 St & Park Ave · 700 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.
891 Park 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 |
| 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 HALSTEAD MANAGEMENT CO. — 190 buildings, 17,333 units. Grades across the portfolio: A172 · B10 · C4. See the whole portfolio
showing 60 of 190 buildings
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2025-03-24 | RPTT&RET $1,575,000 — from MAX BLUM AS CO-TRUSTEE; LISA PILDNER AS CO-TRUSTEE; MAX BLUM TRUST to SMITH, JOHN JOSEPH; LYNCH CONNOLLY, KATHARINE | $1,575,000 | |
| 2025-03-18 | Sold for $1,575,000 | $1,575,000 | $105,000 |
| 2024-11-26 | RPTT&RET $1,550,000 — from GOMEZ, MARIETTE HIMES to REILLY, PATRICK; MCGRATH, SUZANNE GRUA | $1,550,000 | |
| 2024-11-13 | Sold for $1,550,000 | $1,550,000 | $103,333 |
| 2023-03-06 | RPTT&RET $1,200,000 — from CORTE, BEATRICE MONTI DELLA to STEIN, CHRISTIAN L | $1,200,000 | |
| 2023-02-17 | Sold for $1,200,000 | $1,200,000 | $80,000 |
| 2022-08-31 | RPTT&RET $2,150,000 — from DRACOS, ROBIN NIESEN; DRACOS, FRANK JONATHAN to ROSEN, WENDY; ROSEN, PAUL | $2,150,000 | |
| 2022-08-17 | Sold for $2,150,000 | $2,150,000 | $143,333 |
| 2022-06-15 | RPTT&RET $1,850,000 — from ROBBINS, RICHARD L; ROBBINS, SUSAN W to CLEMENT, GREGORY | $1,850,000 | |
| 2022-06-07 | RPTT&RET $2,955,000 — from TULLY, PETER K to THE ROBINSON SPOUSAL LIFETIME ACCESS TRU; SALLY ROBINSON, AS TRUSTEE | $2,955,000 | |
| 2022-05-19 | Sold for $2,955,000 | $2,955,000 | $197,000 |
| 2022-05-11 | Sold for $1,850,000 | $1,850,000 | $123,333 |
| 2021-04-02 | RPTT&RET $1,995,000 — from CULVER, MARGARET A to DELL'OSA, MONICA; DELL'OSA, VINCENT | $1,995,000 | |
| 2021-03-16 | Sold for $1,995,000 | $1,995,000 | $133,000 |
| 2019-07-01 | RPTT&RET $1,135,000 — from GRAHAM, PAMELA THOMAS; GRAHAM, LAWRENCE OTIS to DELLA CORTE, BEATRICE MONTI | $1,135,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 1 | 2 | 2 | 2 | 7 |
| 2018 | 2 | 0 | 1 | 0 | 5 | 8 |
| 2019 | 3 | 0 | 4 | 2 | 2 | 11 |
| 2020 | 0 | 0 | 0 | 0 | 2 | 2 |
| 2021 | 1 | 0 | 2 | 2 | 1 | 6 |
| 2022 | 0 | 0 | 2 | 8 | 1 | 11 |
| 2023 | 4 | 0 | 2 | 2 | 1 | 9 |
| 2024 | 11 | 0 | 2 | 2 | 3 | 18 |
| 2025 | 3 | 0 | 1 | 2 | 1 | 7 |
| 2026 | 0 | 0 | 0 | 0 | 1 | 1 |
Every one of the 224 recorded events, 1971–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10075 · Landlord rankings · How grades work · The map · The Mice Map