481 recorded events, 1900–2026, from 17 city data systems. The city's paper trail here is mostly 126 DOB permits, 78 ACRIS deeds & mortgages, 74 311 service requests.
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 100% 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 0. In ZIP 10023, 77% 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 | 1 total — 0 class C (immediately hazardous), 1 class B, 0 class A. Oldest open since 2005-09-14. |
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.
18 service requests in the last three years. Most common: Traffic (8) · Street Condition (3) · Illegal Posting (2) · Noise (2) · Water System (1) · Illegal Parking (1).
$1,646,417 in permitted construction work filed since 2016 (23 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 (1924) |
| Yes | Six or more residential units (33) |
| 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) | 320 OWNERS CORP |
| Head officer | CHARLES LOWERY |
| Managing agent | ARGO REAL ESTATE LLC |
| Last registered | 2025-08-29 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $17,791,000 | $8,005,950 |
| 2026 | $17,993,000 | $8,096,850 |
| 2027 | $18,862,000 | $8,487,900 |
The city's market estimate has risen 6% 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 $3,198,142 a year ($41.53 per sq ft), operating expenses $1,111,225 ($14.43 per sq ft), net operating income $2,086,917. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
| Energy grade (LL33) | B — ENERGY STAR score 78/100 (2022 disclosure cycle) |
| Heating fuel | NATURALGAS |
| 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.
1 street-flooding or sewer-backup complaints at this address since 2014 (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 | 79 St — 1 · 950 ft straight-line (about a 5-minute walk) · station accessibility: none 72 St — 1 2 3 · 1,000 ft straight-line (about a 5-minute walk) · station accessibility: full |
| Bus | Nearest boarding stop: Broadway / W 76 St — M104 · 350 ft |
| Citi Bike | W 78 St & Broadway · 750 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 087 William Sherman. 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.
320 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 |
| Anything else | Anything else |
18 311 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 ARGO REAL ESTATE, LLC — 140 buildings, 9,601 units. Grades across the portfolio: A126 · B14. See the whole portfolio
showing 60 of 140 buildings
Most recent mortgage recorded against this lot: $250,489 on 2022-04-27 (lender: Valley National Ank). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2026-07-02 | RPTT&RET $395,000 — from BULOFF, BARBARA; FRIED, ROBIN; OSTERMAN, MARIE to NOEL PROPERTIES LLC | $395,000 | |
| 2026-06-16 | Sold for $395,000 | $395,000 | $11,970 |
| 2025-09-24 | RPTT&RET $1,075,000 — from CIFUENTES OCHOA, ANA MARIA; KERENYI, ATTILA to KERENYI, ATTILA | $1,075,000 | |
| 2025-09-12 | Sold for $1,075,000 | $1,075,000 | $32,576 |
| 2025-09-02 | RPTT&RET $999,000 — from ESTATE OF ESTHER STRIGLER; THE PUBLIC ADMINISTRATOR OF THE COUNTY O to REETZ, DOUGLAS | $999,000 | |
| 2025-08-27 | Sold for $999,000 | $999,000 | $30,273 |
| 2023-12-06 | RPTT&RET $2,125,000 — from EDWARDS, NANCY M to GRANDI, MORGAN; KAHN, JESSE | $2,125,000 | |
| 2023-11-13 | Sold for $2,125,000 | $2,125,000 | $64,394 |
| 2023-10-05 | RPTT&RET $3,950,000 — from HAMMER, MIRANDA K; SHEAR, ANDREW J to BUTLER, JULIA MARIE; RAJENDRAN, VIGNESHWAR NATESAN | $3,950,000 | |
| 2023-09-20 | Sold for $3,950,000 | $3,950,000 | $119,697 |
| 2022-04-27 | Mortgage $250,489 — from 320 OWNERS CORP. to VALLEY NATIONAL ANK | $250,489 | |
| 2022-04-27 | Agreement $2,000,000 — from 320 OWNERS CORP. to VALLEY NATIONAL ANK | $2,000,000 | |
| 2022-04-27 | AL&R $2,000,000 — from 320 OWNERS CORP. to VALLEY NATIONAL ANK | $2,000,000 | |
| 2020-02-27 | RPTT&RET $2,350,000 — from GERSTENBLATT, JARED; GERSTENBLATT, LEIGH to HOFER, ANDREW; HOFER, MARGARET | $2,350,000 | |
| 2020-02-10 | Sold for $2,350,000 | $2,350,000 | $71,212 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 12 | 0 | 0 | 6 | 4 | 22 |
| 2018 | 6 | 3 | 4 | 0 | 3 | 16 |
| 2019 | 0 | 0 | 3 | 2 | 3 | 8 |
| 2020 | 2 | 0 | 7 | 3 | 1 | 13 |
| 2021 | 5 | 7 | 14 | 0 | 1 | 27 |
| 2022 | 5 | 0 | 10 | 4 | 3 | 22 |
| 2023 | 8 | 5 | 10 | 5 | 3 | 31 |
| 2024 | 6 | 0 | 9 | 0 | 3 | 18 |
| 2025 | 4 | 1 | 6 | 4 | 2 | 17 |
| 2026 | 24 | 0 | 5 | 2 | 1 | 32 |
Every one of the 481 recorded events, 1900–2026, is laid out year by year in the full report (print-ready).
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