557 recorded events, 1900–2026, from 17 city data systems. The city's paper trail here is mostly 176 311 service requests, 71 rodent inspections, 50 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. More recorded distress than 55% 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 32.1. In ZIP 10024, 70% of residential buildings hold an A and 2% 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 | 13 total — 3 class C (immediately hazardous), 7 class B, 3 class A. Oldest open since 2021-12-17. |
status snapshot refreshed weekly from HPD records
17 heat or hot-water complaints in the last three years (winter 2023–24: 4 · winter 2024–25: 6 · winter 2025–26: 7). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
$1,280 in enforcement penalties imposed (ECB/OATH) in the last three years.
58 service requests in the last three years. Most common: Vendor Enforcement (22) · HEAT/HOT WATER (8) · Dirty Condition (4) · Damaged Tree (3) · Homeless Person Assistance (2) · Air Quality (2).
$1,184,130 in permitted construction work filed since 2016 (12 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 (40) |
| 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) | 412 WEST END REALTY LLC |
| Head officer | MAGDALENA KOSZ |
| Managing agent | A.J. CLARKE REAL ESTATE CORP |
| Last registered | 2026-07-20 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $6,754,000 | $3,039,300 |
| 2026 | $6,839,000 | $3,077,550 |
| 2027 | $6,728,000 | $3,027,600 |
The city's market estimate has risen 0% between tax years 2025 and 2027.
| Energy grade (LL33) | D — ENERGY STAR score 50/100, posted at the entrance by law (2022 disclosure cycle) |
| Heating fuel | NO6FUEL |
| Facade (Local Law 11) | SAFE (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 | 79 St — 1 · 250 ft straight-line (about a 1-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: W 79 St / Broadway — M79-SBS · 250 ft · Select Bus Service |
| Citi Bike | W 78 St & Broadway · 500 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.
412 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 |
58 311 service requests from this address in the last three years — 8 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 A.J. CLARKE REAL ESTATE CORP — 186 buildings, 3,651 units. Grades across the portfolio: A116 · B45 · C15 · D4. See the whole portfolio
showing 60 of 186 buildings
Most recent mortgage recorded against this lot: $570,812 on 2020-05-14 (lender: JPMorgan Chase Bank, N.A.). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2025-11-18 | Agreement $1,070,078 — from 412 WEST END REALTY LLC to JPMORGAN CHASE BANK, N.A. | $1,070,078 | |
| 2020-05-14 | Agreement $1,200,000 — from JPMORGAN CHASE BANK, N.A. to 412 WEST END REALTY LLC | $1,200,000 | |
| 2020-05-14 | Mortgage $570,812 — from 412 WEST END REALTY LLC to JPMORGAN CHASE BANK, N.A. | $570,812 | |
| 2015-05-05 | AL&R $700,000 — from 412 WEST END REALTY LLC to THE DIME SAVINGS BANK OF WILLIAMSBURGH | $700,000 | |
| 2015-05-05 | Agreement $700,000 — from 412 WEST END REALTY LLC to THE DIME SAVINGS BANK OF WILLIAMSBURGH | $700,000 | |
| 2015-05-05 | Mortgage $304,041 — from 412 WEST END REALTY LLC to THE DIME SAVINGS BANK OF WILLIAMSBURGH | $304,041 | |
| 2011-09-19 | Agreement $500,000 — from 412 WEST END REALTY LLC to DIME SAVINGS BANK OF WILLIAMSBURGH | $500,000 | |
| 2004-09-16 | Agreement $500,000 — from THE DIME SAVINGS BANK OF WILLIAMSBURGH to 412 WEST END REALTY LLC | $500,000 | |
| 2004-09-16 | Mortgage $237,498 — from 412 WEST END REALTY LLC to THE DIME SAVINGS BANK OF WILLIAMSBURGH | $237,498 | |
| 2004-09-16 | AL&R $500,000 — from THE DIME SAVINGS BANK OF WILLIAMSBURGH to 412 WEST END REALTY LLC | $500,000 | |
| 1996-09-05 | Mortgage $60,004 — from WELTSMAN, PINCUS; ROSENBAUM, GENE; HASELNUSS, SOLOMON to DIME SAVINGS BANK OFWILLIAMSBURGH | $60,004 | |
| 1989-10-12 | Mortgage $66,780 — from WELTSMAN, SARA; HASELNUSS, SOLOMON; KATZ, HELEN; ROSENBAUM, GENE to QUEENS COUNTY SAVINGBK | $66,780 | |
| 1984-10-12 | Mortgage $130,912 — from 412 WEST END REALTYCORP to DIME SV BK/WILLIAMSBURGH | $130,912 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 5 | 3 | 7 | 0 | 18 | 33 |
| 2018 | 6 | 3 | 20 | 0 | 10 | 39 |
| 2019 | 1 | 3 | 6 | 0 | 8 | 18 |
| 2020 | 7 | 4 | 8 | 5 | 7 | 31 |
| 2021 | 4 | 13 | 38 | 0 | 7 | 62 |
| 2022 | 4 | 7 | 27 | 0 | 14 | 52 |
| 2023 | 3 | 3 | 23 | 0 | 2 | 31 |
| 2024 | 9 | 7 | 31 | 0 | 5 | 52 |
| 2025 | 3 | 0 | 32 | 1 | 4 | 40 |
| 2026 | 6 | 1 | 20 | 0 | 2 | 29 |
Every one of the 557 recorded events, 1900–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10024 · Landlord rankings · How grades work · The map · The Mice Map