243 recorded events, 1972–2026, from 14 city data systems. The city's paper trail here is mostly 144 311 service requests, 31 HPD housing violations, 26 ACRIS deeds & mortgages.
Full record, year by year Support this site
A meaningful record of code violations or complaints relative to its peers. More recorded distress than 89% 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 24. 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 | 16 total — 8 class C (immediately hazardous), 1 class B, 7 class A. Oldest open since 2014-09-02. |
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.
44 service requests in the last three years. Most common: Illegal Parking (10) · Illegal Dumping (7) · Food Establishment (7) · Graffiti (6) · Vendor Enforcement (5) · Building/Use (2).
$278,700 in permitted construction work filed since 2016 (3 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) |
| No | Six or more residential units (5) |
| 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) | NAN LAM; SIU LUNG LAM |
| Managing agent | SIU LUNG LAM |
| Last registered | 2020-01-07 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $1,049,000 | $472,050 |
| 2026 | $839,000 | $377,550 |
| 2027 | $1,004,000 | $451,800 |
The city's market estimate has fallen 4% between tax years 2025 and 2027.
| Restaurant | Cuisine | Grade | Notes |
|---|---|---|---|
| J Petal | Frozen Desserts | A | Mice evidence |
Report to 311: Food poisoning · Food safety complaint
1 restaurant · 1 with mice evidence · See them on the Mice Map
7 Food Establishment complaints to 311 at this address in the last three years (most often: Rodents/Insects/Garbage, Food Preparation Location, Kitchen/Food Prep Area) · complaints filed by the public; DOHMH investigates, outcomes aren't published.
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 | 45 St — R · 0.2 mi straight-line (about a 6-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: 5 Av / 48 St — B63 · 100 ft |
| Citi Bike | 48 St & 5 Ave · 150 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 001 The Bergen. 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.
4801 5 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 |
| Food poisoning | Food poisoning |
| Food safety complaint | Food safety complaint |
| Anything else | Anything else |
44 311 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.
Most recent mortgage recorded against this lot: $244,000 on 1995-07-21 (lender: Greenpoint Bank). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2024-09-26 | Deed $700,000 — from SHUM, MEI YUET to CHENG, HSIU YU; CHENG, HSIANG TSUNG | $700,000 | |
| 2024-09-12 | Sold for $700,000 | $700,000 | $140,000 |
| 1995-07-21 | Mortgage $244,000 — from CHENG, HSIANG TSUNG; SHUM, MEI YUET to GREENPOINT BANK | $244,000 | |
| 1986-10-10 | Mortgage $300,000 — from 4801 FIFTH AVE RLTYCORP to WESTERLEIGH SAVS | $300,000 | |
| 1983-11-23 | Mortgage $20,000 — from GALARZA, SONIA to GERACI, JOSEPH | $20,000 |
| Year | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|
| 2017 | 0 | 5 | 0 | 0 | 5 |
| 2018 | 0 | 2 | 0 | 0 | 2 |
| 2019 | 0 | 5 | 0 | 0 | 5 |
| 2020 | 0 | 1 | 0 | 0 | 1 |
| 2021 | 6 | 46 | 2 | 0 | 54 |
| 2022 | 0 | 28 | 0 | 2 | 30 |
| 2023 | 0 | 9 | 0 | 0 | 9 |
| 2024 | 0 | 13 | 2 | 1 | 16 |
| 2025 | 0 | 33 | 1 | 5 | 39 |
| 2026 | 0 | 2 | 1 | 1 | 4 |
Every one of the 243 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