194 recorded events, 1972–2026, from 8 city data systems. The city's paper trail here is mostly 83 HPD housing violations, 44 311 service requests, 32 HPD complaints.
Full record, year by year Support this site
A sustained record of distress well beyond its peers. More recorded distress than 99% of 1-5-unit residential buildings citywide. The citywide median for 1-5-unit residential buildings is 0 penalty points per 10 units; this building carries 682.7. In ZIP 11220, 69% of residential buildings hold an A and 6% grade D or F. How grades work
Among 699,345 1-5-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 60 total — 5 class C (immediately hazardous), 39 class B, 16 class A. Oldest open since 2022-08-21. |
status snapshot refreshed weekly from HPD records
20 heat or hot-water complaints in the last three years (winter 2024–25: 12).
No bedbug-infested units reported in the last three years of filings.
34 service requests in the last three years. Most common: HEAT/HOT WATER (9) · UNSANITARY CONDITION (6) · PAINT/PLASTER (4) · GENERAL (4) · Building/Use (3) · Blocked Driveway (3).
No permitted work with a declared cost filed in the last decade. Permit costs cover filed construction work only — they do not capture routine maintenance or repairs done without a permit.
| Yes | Built before 1974 (1910) |
| No | Six or more residential units (2) |
| No | 421-a / J-51 tax benefit on the current tax roll |
1 of 3 signals present. Only a partial profile — stabilization is possible but less likely. The definitive answer for any unit: request its rent history from NYS Homes & Community Renewal (free, at hcr.ny.gov).
| Registered owner(s) | QIAO YUN ZHENG |
| Last registered | 2025-09-06 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $1,525,000 | $91,500 |
| 2026 | $1,511,000 | $90,660 |
| 2027 | $1,526,000 | $91,560 |
The city's market estimate has risen 0% between tax years 2025 and 2027.
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 | Fort Hamilton Pkwy — D · 0.4 mi straight-line (about an 11-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: 49 St / 9 Av — B11 · 300 ft |
| Citi Bike | 50 St & 7 Ave · 0.2 mi · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 160 William T. Sampson Middle: J.H.S. 220 John J. Pershing. 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.
845 50 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 |
34 311 service requests from this address in the last three years — 9 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.
Most recent mortgage recorded against this lot: $490,000 on 2008-01-10 (lender: HSBC Mortgage Corporation (USA)) (recorded via MERS). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2008-01-10 | Deed $670,000 — from ZHANG, MING XUN; LI, QIU YING to YEUNG, YAN FAN; ZHENG, QIAO YUN | $670,000 | |
| 2008-01-10 | Mortgage $490,000 — from YEUNG, YAN FAN; ZHENG, QIAO YUN to MERS; HSBC MORTGAGE CORPORATION (USA) | $490,000 | |
| 1999-11-03 | Mortgage $80,000 — from ZHANG, MING XUN; LI, QIU YING to REPUBLIC CONSUMER LENDING GROUP INC | $80,000 | |
| 1997-08-29 | Mortgage $4,600 — from GUAGENTI, SALVATORE; MORREALE, PATRICIA to MID ISLAND EQUITIESCORP. | $4,600 | |
| 1997-06-10 | Mortgage $50,000 — from GUAGENTI, SALVATORE; MORREALE, PATRICIA to MID-ISLAND EQUITIESCORP | $50,000 | |
| 1997-04-04 | Mortgage $83,000 — from MORREALE, PATRICIA; GUAGENTI, SALVATORE to MID-ISLAND EQUITIESCORP | $83,000 |
| Year | Enforcement | Housing & tenants | Ownership & money | Total |
|---|---|---|---|---|
| 2017 | 0 | 0 | 0 | 0 |
| 2018 | 0 | 1 | 0 | 1 |
| 2019 | 0 | 1 | 0 | 1 |
| 2020 | 0 | 3 | 0 | 3 |
| 2021 | 0 | 0 | 0 | 0 |
| 2022 | 0 | 24 | 2 | 26 |
| 2023 | 1 | 2 | 0 | 3 |
| 2024 | 1 | 2 | 0 | 3 |
| 2025 | 1 | 119 | 0 | 120 |
| 2026 | 1 | 6 | 0 | 7 |
Every one of the 194 recorded events, 1972–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11220 · Landlord rankings · How grades work · The map · The Mice Map