328 recorded events, 1976–2026, from 13 city data systems. The city's paper trail here is mostly 130 311 service requests, 70 ACRIS deeds & mortgages, 30 DOB permits.
Full record, year by year Support this site
No heat or hot-water complaints in the last three years.
No bedbug-infested units reported in the last three years of filings.
79 service requests in the last three years. Most common: Noise (59) · Consumer Complaint (7) · Blocked Driveway (3) · Homeless Person Assistance (3) · Illegal Tree Damage (2) · Dirty Condition (1).
$26,000 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.
| Registered owner(s) | Rong Fa Real Estate Management Inc. |
| Head officer | Yi F rong |
| Managing agent | Rong Fa Real Estate Management |
| Last registered | 2025-07-31 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $5,117,000 | $2,302,650 |
| 2026 | $5,380,000 | $2,421,000 |
| 2027 | $5,720,000 | $2,574,000 |
The city's market estimate has risen 12% between tax years 2025 and 2027.
| Energy grade (LL33) | F — did not submit required benchmarking data, posted at the entrance by law (2022 disclosure cycle) |
| Elevators | 2 active device(s) on record |
| Restaurant | Cuisine | Grade | Notes |
|---|---|---|---|
| Kings KTV Karaoke | Korean | A | — |
Report to 311: Food poisoning · Food safety complaint
1 restaurant · 0 with mice evidence · See them on the Mice Map
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 | 9 Av — D · 650 ft straight-line (about a 3-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: 39 St / 8 Av — B35 · 100 ft |
| Citi Bike | New Utrecht Ave & 9 Ave · 650 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 169 Sunset Park Middle: J.H.S. 223 The Montauk. 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.
820 39 Street
| Rats or mice | Rats or mice |
| Food poisoning | Food poisoning |
| Food safety complaint | Food safety complaint |
| Anything else | Anything else |
79 311 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: $3,666,494 on 2019-04-09 (lender: Crown 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 |
|---|---|---|---|
| 2020-07-30 | SPRD $2,548,433 — from 4923 TS LLC; NY GOLDEN KEY DEVELOPMENT, LLC; C & A HEATING FLOORING INC.; RONG FA REAL EST to VICTOR CHENG, ESQ. | $2,548,433 | |
| 2019-04-09 | AL&R $9,100,000 — from RONG FA REAL ESTATE MANAGEMENT INC. to CROWN BANK | $9,100,000 | |
| 2019-04-09 | Agreement $9,100,000 — from RONG FA REAL ESTATE MANAGEMENT INC. to CROWN BANK | $9,100,000 | |
| 2019-04-09 | Mortgage $3,666,494 — from RONG FA REAL ESTATE MANAGEMENT INC. to CROWN BANK | $3,666,494 | |
| 2019-03-21 | Agreement $3,250,000 — from NY GOLDEN KEY DEVELOPMENT LLC; RONG FA REAL ESTATE MANAGEMENT INC.; C & A HEATING FLOORING to BIL-MAN ASSET MANAGEMENT LLC | $3,250,000 | |
| 2019-03-21 | SPRD $3,250,000 — from C & A HEATING FLOORING INC.; NY GOLDEN KEY DEVELOPMENT LLC; RONG FA REAL ESTATE MANAGEMENT to BIL-MAN ASSET MANAGEMENT LLC | $3,250,000 | |
| 2019-03-21 | AL&R $3,250,000 — from C & A HEATING FLOORING INC. to BIL-MAN ASSET MANAGEMENT LLC | $3,250,000 | |
| 2019-03-21 | AL&R $3,250,000 — from 4923 TS LLC to BIL-MAN ASSET MANAGEMENT LLC | $3,250,000 | |
| 2019-03-21 | AL&R $3,250,000 — from NY GOLDEN KEY DEVELOPMENT LLC to BIL-MAN ASSET MANAGEMENT LLC | $3,250,000 | |
| 2018-04-18 | Agreement $1,750,000 — from RONG FA REAL ESTATE MANAGEMENT INC. to BIL-MAN ASSET MANAGEMENT LLC | $1,750,000 | |
| 2018-04-18 | AL&R $1,750,000 — from RONG FA REAL ESTATE MANAGEMENT INC. to BIL-MAN ASSET MANAGEMENT LLC | $1,750,000 | |
| 2018-04-18 | Mortgage $250,000 — from RONG FA REAL ESTATE MANAGEMENT INC. to BIL-MAN ASSET MANAGEMENT LLC | $250,000 | |
| 2017-08-24 | Mortgage $1,500,000 — from RONG FA REAL ESTATE MANAGEMENT INC. to NAVIGATOR BUSINESS SERVICES LLC | $1,500,000 | |
| 2017-08-24 | AL&R $1,500,000 — from RONG FA REAL ESTATE MANAGEMENT INC. to NAVIGATOR BUSINESS SERVICES LLC | $1,500,000 | |
| 2014-08-07 | Mortgage $300,000 — from RONG FA REAL ESTATE MANAGEMENT INC. to BLDG 8 LLC | $300,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 2 | 4 | 3 | 0 | 9 |
| 2018 | 2 | 7 | 5 | 6 | 0 | 20 |
| 2019 | 1 | 5 | 4 | 12 | 0 | 22 |
| 2020 | 0 | 6 | 2 | 3 | 1 | 12 |
| 2021 | 0 | 5 | 5 | 0 | 0 | 10 |
| 2022 | 0 | 0 | 9 | 0 | 1 | 10 |
| 2023 | 0 | 0 | 6 | 0 | 1 | 7 |
| 2024 | 2 | 1 | 59 | 0 | 1 | 63 |
| 2025 | 0 | 6 | 16 | 0 | 0 | 22 |
| 2026 | 0 | 0 | 7 | 0 | 0 | 7 |
Every one of the 328 recorded events, 1976–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11232 · Landlord rankings · How grades work · The map · The Mice Map