1,217 recorded events, 1973–2026, from 19 city data systems. The city's paper trail here is mostly 425 311 service requests, 333 HPD complaints, 91 DOB permits.
Full record, year by year Support this site
A modest record — below the level that usually signals systemic problems. More recorded distress than 75% of 100+-unit residential buildings citywide. The citywide median for 100+-unit residential buildings is 3.7 penalty points per 10 units; this building carries 17.9. In ZIP 10024, 70% of residential buildings hold an A and 2% grade D or F. How grades work
Among 4,677 100+-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 2019-08-27. |
status snapshot refreshed weekly from HPD records
108 heat or hot-water complaints in the last three years (winter 2023–24: 50 · winter 2024–25: 56 · winter 2025–26: 2). Repeated winter clusters suggest a chronic heating problem.
1 bedbug-infested unit(s) reported in filings over the last three years.
$2,500 in enforcement penalties imposed (ECB/OATH) in the last three years.
97 service requests in the last three years. Most common: HEAT/HOT WATER (54) · Noise (13) · UNSANITARY CONDITION (7) · Missed Collection (3) · Illegal Parking (3) · FLOORING/STAIRS (2).
$14,140,208 in permitted construction work filed since 2016 (26 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 (1913) |
| Yes | Six or more residential units (128) |
| 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) | 525 WEST END CORP |
| Head officer | STEPHEN M HARNIK |
| Managing agent | Siren Management Corp |
| Last registered | 2025-07-17 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $20,472,000 | $9,212,400 |
| 2026 | $19,153,000 | $8,618,850 |
| 2027 | $20,835,000 | $9,375,750 |
The city's market estimate has risen 2% between tax years 2025 and 2027.
| Energy grade (LL33) | A — ENERGY STAR score 88/100 (2022 disclosure cycle) |
| Heating fuel | NATURALGAS |
| 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.
1 street-flooding or sewer-backup complaints at this address since 2025 (1 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 — 1 · 450 ft straight-line (about a 2-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: W 86 St / West End Av — M86-SBS · 350 ft · Select Bus Service |
| Citi Bike | W 87 St & West End Ave · 500 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 166 The Richard Rodgers School of The Arts and Technology. 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.
525 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 |
97 311 service requests from this address in the last three years — 54 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 SIREN MANAGEMENT CORP — 30 buildings, 1,145 units. Grades across the portfolio: A26 · B4. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 525 West End Avenue | MN | 128 | B |
| 227 East 57 Street | MN | 118 | A |
| 130 West 79 Street | MN | 93 | A |
| 1225 Park Avenue | MN | 86 | A |
| 417 East 89 Street | MN | 66 | A |
| 860 West 181 Street | MN | 66 | A |
| 16 Park Avenue | MN | 64 | A |
| 870 West 181 Street | MN | 61 | A |
| 203 West 81 Street | MN | 55 | A |
| 80-40 Lefferts Boulevard | QN | 48 | A |
| 825 West 179 Street | MN | 42 | B |
| 123 West 74 Street | MN | 42 | A |
| 97 Avenue B | MN | 30 | A |
| 154 West 18 Street | MN | 26 | A |
| 415 West 55 Street | MN | 22 | B |
| 47 Jane Street | MN | 20 | B |
| 144 West 18 Street | MN | 18 | A |
| 217 East 7 Street | MN | 16 | A |
| 133 East 61 Street | MN | 16 | A |
| 235 East 54 Street | MN | 16 | A |
| 237 East 54 Street | MN | 16 | A |
| 130 Beekman Street | MN | 15 | A |
| 231 East 54 Street | MN | 15 | A |
| 233 East 54 Street | MN | 13 | A |
| 311 East 78 Street | MN | 13 | A |
| 14 East 77 Street | MN | 12 | A |
| 31 West 21 Street | MN | 11 | A |
| 54 Jane Street | MN | 8 | A |
| 115 Allen Street | MN | 5 | A |
| 48 Carmine Street | MN | 4 | A |
Most recent mortgage recorded against this lot: $2,360,491 on 2022-03-04 (lender: Apple Bank For Savings). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2022-03-04 | Mortgage $2,360,491 — from 525 CRT, LLC; 525 WEST END CORP.; 525 IE, LLC; 525 TSL, LLC; 525 SHS, LLC; 525 OS, LLC; 52 to APPLE BANK FOR SAVINGS | $2,360,491 | |
| 2022-03-04 | Agreement $8,000,000 — from 525 OS, LLC; 525 TSL, LLC; 525 RFF, LCC; JMB CAPITAL I LLC; 525 SHS, LLC; 525 WEST END COR to APPLE BANK FOR SAVINGS | $8,000,000 | |
| 2022-03-04 | AL&R $8,000,000 — from 525 OS, LLC; 525 RFF, LCC; JMB CAPITAL I LLC; 525 CRT, LLC; 525 SHS, LLC; 525 IE, LLC; 525 to APPLE BANK FOR SAVINGS | $8,000,000 | |
| 2013-12-31 | Agreement $6,750,000 — from 525 IE, LLC; 525TSL, LLC; 525 OS, LLC; 525 RFF, LLC; 525 WEST END CORP.; JMB CAPITAL I LLC to PEOPLE'S UNITED BANK | $6,750,000 | |
| 2013-12-31 | Mortgage $5,002,877 — from JMB CAPITAL I LLC; 525 RFF, LLC; 525 WEST END CORP.; 525 IE, LLC; JLB, LLC; 525TSL, LLC; 5 to PEOPLE'S UNITED BANK | $5,002,877 | |
| 2008-05-16 | Mortgage $200,000 — from SARAPH, SHLOMIT; SARAPH, OREN; JMB CAPITAL I, LLC; SARAF, OREN; JLB; SARAF LEVY, TALIA; LE to APPLE BANK FOR SAVINGS | $200,000 | |
| 2008-05-16 | Agreement $1,900,000 — from LLC; LEVY-SARAPH, TALYA; SARAF, SHLOMIT; EITAN, INBAL; JMB CAPITAL I, LLC; SARAPH, OREN; 5 to APPLE BANK FOR SAVINGS | $1,900,000 | |
| 2008-05-16 | Agreement $1,900,000 — from EITAN, INBAL; SARAF, OREN; JMB CAPITAL I, LLC; 525 WEST END CORP; 525 RFF, LLC; SARAF LEVY to APPLE BANK FOR SAVINGS | $1,900,000 | |
| 1998-08-04 | Mortgage $305,723 — from HARNIK, STEPHEN M.AS SUCCESSOR; POLLACK, MARGOT ASTRUSTEE; JMB CAPITAL I, LLC; RETTER, BE to J.P. MORGAN INVESTMENT MANAGEMENT INC. | $305,723 | |
| 1993-08-10 | Mortgage $543,293 — from 525 WEST END CORP; BADER, JOHN M TRSTS; EISENBERG, LEAH TRST; HARNIK, STEPHEN M TRST; POLL to J P MORGAN INVESTMNTETC | $543,293 | |
| 1990-07-26 | Mortgage $498,386 — from BADER, JOHN M. FBO; EISENBERG, LEAH TR; ROSENBLATT, CHIEL LWT; ROSENBLATT FAMILY FDTN; SCH to QUEENS COUNTY SVGS BK | $498,386 | |
| 1985-07-26 | Mortgage $84,091 — from BADER, LYNN F/B/O; HARNIK, HANS TRS.; ROSENBLATT, CHIEL LWT; SCHARFSTEIN, MORITZLWT; EISEN to EAST RIVER SAVINGS BANK | $84,091 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 7 | 3 | 31 | 0 | 9 | 50 |
| 2018 | 5 | 3 | 18 | 0 | 7 | 33 |
| 2019 | 10 | 5 | 57 | 0 | 17 | 89 |
| 2020 | 2 | 0 | 62 | 1 | 3 | 68 |
| 2021 | 3 | 1 | 32 | 0 | 5 | 41 |
| 2022 | 3 | 3 | 39 | 4 | 5 | 54 |
| 2023 | 5 | 2 | 78 | 0 | 2 | 87 |
| 2024 | 12 | 3 | 109 | 0 | 6 | 130 |
| 2025 | 0 | 0 | 36 | 0 | 4 | 40 |
| 2026 | 0 | 0 | 24 | 0 | 2 | 26 |
Every one of the 1,217 recorded events, 1973–2026, 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