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4311 4 Avenue

1,102Records
17City systems
1Open violations
770.5Penalty rate
Brooklyn · ZIP 11232 · Neighborhood: Sunset Park (West)
Open in the map

1,102 recorded events, 1974–2026, from 17 city data systems. The city's paper trail here is mostly 438 HPD housing violations, 338 HPD complaints, 162 311 service requests.

BoroughBrooklyn 11232
Built1931
Floors3
Res. units6
ClassC2
Owner (PLUTO)HONG JIAN REALTY LLC
BBL3007290006
BIN3010948

Full record, year by year   Support this site

GRADE D

A sustained record of distress well beyond its peers. More recorded distress than 99% of 6-24-unit residential buildings citywide. The citywide median for 6-24-unit residential buildings is 16.3 penalty points per 10 units; this building carries 770.5. In ZIP 11232, 65% of residential buildings hold an A and 8% grade D or F. How grades work

this building
A
B
C

Among 46,798 6-24-unit residential buildings citywide · left is less recorded distress, right is more

Open with the city right now

Open HPD violations1 total — 1 class C (immediately hazardous), 0 class B, 0 class A. Oldest open since 2009-05-12.

status snapshot refreshed weekly from HPD records

Patterns

9 heat or hot-water complaints in the last three years (winter 2023–24: 7 · winter 2025–26: 2). Repeated winter clusters suggest a chronic heating problem.

7
’23–24
2
’25–26

No bedbug-infested units reported in the last three years of filings.

What 311 hears from this address

12 service requests in the last three years. Most common: UNSANITARY CONDITION (5) · HEAT/HOT WATER (4) · Damaged Tree (1) · Rodent (1) · ELECTRIC (1).

Filed construction activity

$70,880 in permitted construction work filed since 2016 (5 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.

Rent-stabilization signals

YesBuilt before 1974 (1931)
YesSix or more residential units (6)
No421-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 with HPD — the names behind the building

Registered owner(s)Hong Jian Realty LLC
Head officerYanXia Ye
Managing agentHong Jian Realty LLC
Last registered2026-07-27

as filed by the owner in the building's HPD registration

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$898,000 $404,100
2026$1,002,000 $450,900
2027$1,169,000 $526,050

The city's market estimate has risen 30% between tax years 2025 and 2027.

Flood exposure

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.

Getting around

Subway45 St — R · 300 ft straight-line (about a 2-minute walk) · station accessibility: none
36 St — D N R · 0.4 mi straight-line (about a 10-minute walk) · station accessibility: none
BusNearest boarding stop: 5 Av / 44 St — B63 · 750 ft
Citi Bike45 St & 4 Ave · 400 ft · station location as of 2026-09-23; live availability
Bike facilityProtected bike path mapped within 75 ft
School zones (2024–25 map)Elementary: Sunset Park Avenues Elementary School. 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.

Report a problem to 311

4311 4 Avenue

Heat or hot waterHeat or hot water
Apartment maintenanceApartment maintenance
Bed bugsBed bugs
Residential pestsResidential pests
Rats or miceRats or mice
Anything elseAnything else

12 311 service requests from this address in the last three years — 4 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.

Sales, deeds & mortgages

Most recent mortgage recorded against this lot: $600,000 on 2022-05-25 (lender: Hanover Community Bank). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.

DateRecordAmountPer res. unit
2022-05-25AL&R $600,000 — from HONG JIAN REALTY LLC to HANOVER COMMUNITY BANK $600,000
2022-05-25Mortgage $600,000 — from HONG JIAN REALTY LLC to HANOVER COMMUNITY BANK $600,000
2022-05-25Deed $1,000,000 — from LIYI PROPERTIES LLC to HONG JIAN REALTY LLC $1,000,000
2022-05-04Sold for $1,000,000 $1,000,000 $166,667
2019-09-25Deed $1,380,000 — from PEREZ, MARIA to LIYI PROPERTIES LLC $1,380,000
2019-09-12Sold for $1,380,000 $1,380,000 $230,000
1982-04-12Mortgage $19,600 — from MERCADO, LYDIA; MERCADO, ISREAL to RAMOS, JUAN; RAMOS, GRACE $19,600

Ten-year activity

5002500
2017
2018
2019
289
2020
2021
2022
2023
2024
2025
2026
ConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systems
Show as table
YearConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systemsTotal
2017004015
201800690271
201942015321180
202063025300289
202100790079
202202544060
20230212001123
202400590160
202501580362
202600170825
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The full timeline

Construction 10Enforcement 63Housing & tenants 993Ownership & money 19Health & systems 17

Every one of the 1,102 recorded events, 1974–2026, 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