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5817 4 Avenue

453Records
15City systems
0Open violations
164.5Penalty rate
Brooklyn · ZIP 11220 · Neighborhood: Sunset Park (West)
Open in the map

453 recorded events, 1984–2026, from 15 city data systems. The city's paper trail here is mostly 157 HPD housing violations, 131 311 service requests, 42 HPD complaints.

BoroughBrooklyn 11220
Built1931
Floors3
Res. units4
ClassS9
Owner (PLUTO)GREAT MOUNTAIN REALTY INC.
BBL3008550003
BIN3015974

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 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 164.5. In ZIP 11220, 69% of residential buildings hold an A and 6% grade D or F. How grades work

this building
A
C

Among 699,345 1-5-unit residential buildings citywide · left is less recorded distress, right is more

Open with the city right now

No current HPD flags in the latest weekly snapshot: no open violations, no pending litigation, no active vacate orders, and not in the Alternative Enforcement Program.

Patterns

3 heat or hot-water complaints in the last three years (winter 2023–24: 3).

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

What 311 hears from this address

9 service requests in the last three years. Most common: Graffiti (4) · GENERAL (1) · HEAT/HOT WATER (1) · APPLIANCE (1) · Sewer (1) · Non (1).

Filed construction activity

$83,000 in permitted construction work filed since 2016 (4 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)
NoSix or more residential units (4)
No421-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 with HPD — the names behind the building

Registered owner(s)GREAT MOUNTAIN REALTY INC
Head officerXU S DONG
Managing agentGREAT MOUNTAIN REALTY INC
Last registered2025-08-25

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

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$990,000 $445,500
2026$929,000 $418,050
2027$1,087,000 $489,150

The city's market estimate has risen 10% between tax years 2025 and 2027.

Restaurants in this building

RestaurantCuisineGradeNotes
El Espino RestaurantMexicanAMice evidence

Report to 311: Food poisoning · Food safety complaint

1 restaurant · 1 with mice evidence · See them on the Mice Map

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.

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.

Getting around

Subway59 St — N R · 50 ft straight-line (under a minute) · station accessibility: full
BusNearest boarding stop: 60 St / 4 Av — B9 · 400 ft
Citi Bike59 St & 4 Ave · 100 ft · station location as of 2026-09-23; live availability
School zones (2024–25 map)Elementary: P.S. 506: The School of Journalism & Technology
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.

Report a problem to 311

5817 4 Avenue

Heat or hot waterHeat or hot water
Apartment maintenanceApartment maintenance
Bed bugsBed bugs
Residential pestsResidential pests
Rats or miceRats or mice
Food poisoningFood poisoning
Food safety complaintFood safety complaint
Anything elseAnything else

9 311 service requests from this address in the last three years — 1 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.

The landlord's report card

Managed by GREAT MOUNTAIN REALTY INC — 2 buildings, 8 units. Grades across the portfolio: D2. See the whole portfolio

BuildingBoroughUnitsGrade
5819 4 Avenue BK4 D
5817 4 Avenue BK4 D

Sales, deeds & mortgages

Most recent mortgage recorded against this lot: $124,118 on 2022-10-05 (lender: Teachers Federal Credit Union), covering 2 lots — the amount covers all of them. Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.

DateRecordAmountPer res. unit
2022-10-05Agreement $1,700,000 — from GREAT MOUNTAIN REALTY INC. to TEACHERS FEDERAL CREDIT UNION $1,700,000
2022-10-05AL&R $1,700,000 — from GREAT MOUNTAIN REALTY INC. to TEACHERS FEDERAL CREDIT UNION $1,700,000
2022-10-05Mortgage $124,119 — from GREAT MOUNTAIN REALTY INC. to TEACHERS FEDERAL CREDIT UNION $124,119
2015-09-28AL&R $1,900,000 — from GREAT MOUNTAIN REALTY INC. to MELROSE CREDIT UNION $1,900,000
2015-09-28Mortgage $899,285 — from GREAT MOUNTAIN REALTY INC. to MELROSE CREDIT UNION $899,285
2015-09-28Agreement $1,900,000 — from GREAT MOUNTAIN REALTY INC. to MELROSE CREDIT UNION $1,900,000
2009-09-09AL&R $1,140,000 — from GREAT MOUNTAIN REALTY INC. to MELROSE CREDIT UNION $1,140,000
2009-09-09Mortgage $1,140,000 — from GREAT MOUNTAIN REALTY INC. to MELROSE CREDIT UNION $1,140,000
2009-08-28Deed $1,520,000 — from MCCANN, JOHN to GREAT MOUNTAIN REALTY INC. $1,520,000
2004-07-04Mortgage $600,000 — from 5817-9 4TH AVE REALTY CORP. to WASHINGTON MUTUAL BANK, FA $600,000
1995-04-25Mortgage $225,000 — from 5817-5819 4TH AVENUEREALTY CORP to GREENPOINT BANK $225,000
1995-03-27Mortgage $70,000 — from 5817-9 4TH AVE REALTY CORP to PERRI, JOSEPH $70,000
1985-11-25Mortgage $60,000 — from 5817-9 4TH AVE RLTYCORP to UTICA LINCOLN RLTY CORP $60,000
1984-05-22Mortgage $3,900 — from BARRETO, FRANCISCO; BARRETO, ISABEL; BARRETO, MIGDALIA to NORTH EASTERN HOLDING CO $3,900

Ten-year activity

100500
2017
2018
2019
82
2020
2021
2022
2023
2024
2025
2026
ConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systems
Show as table
YearConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systemsTotal
2017312006
2018110002
201921670070
202000820082
202104520056
20220083011
202336170127
2024007018
2025003036
2026002002
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The full timeline

Construction 46Enforcement 29Housing & tenants 351Ownership & money 22Health & systems 5

Every one of the 453 recorded events, 1984–2026, 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