Building Biography

The MapLandlordsNeighborhoodsZIP CodesGradesThe Mice MapAboutWhat's new

435 Coney Island Avenue

653Records
17City systems
7Open violations
7Penalty rate

653 recorded events, 1969–2026, from 17 city data systems. The city's paper trail here is mostly 316 311 service requests, 64 DOB complaints, 63 ACRIS deeds & mortgages.

BoroughBrooklyn 11218
Built2023
Floors8
Res. units128
ClassD6
Owner (PLUTO)425 CONEY ISLAND LLC
BBL3050700019
BIN3116298, 3430130

Full record, year by year   Support this site

GRADE B

A modest record — below the level that usually signals systemic problems. More recorded distress than 61% of 100+-unit residential buildings citywide. The citywide median for 100+-unit residential buildings is 3.7 penalty points per 10 units; this building carries 7. In ZIP 11218, 71% of residential buildings hold an A and 6% grade D or F. How grades work

this building
A
B
C

Among 4,677 100+-unit residential buildings citywide · left is less recorded distress, right is more

Open with the city right now

Open HPD violations7 total — 0 class C (immediately hazardous), 5 class B, 2 class A. Oldest open since 2025-11-26.

status snapshot refreshed weekly from HPD records

Patterns

20 heat or hot-water complaints in the last three years (winter 2025–26: 20).

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

$22,500 in enforcement penalties imposed (ECB/OATH) in the last three years.

What 311 hears from this address

199 service requests in the last three years. Most common: Noise (63) · General Construction/Plumbing (36) · Residential Disposal Complaint (16) · Water System (10) · HEAT/HOT WATER (10) · Indoor Air Quality (8).

Filed construction activity

$51,114,810 in permitted construction work filed since 2016 (24 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

NoBuilt before 1974 (2023)
YesSix or more residential units (128)
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)425 CONEY ISLAND REALTY INC
Head officerJOEL GRUNWALD
Managing agentJOYLAND MANAGEMENT
Last registered2025-08-08

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

What the city thinks it's worth

Tax yearCity market valueAssessed value
2025$2,139,000 $962,550
2026$5,121,000 $2,304,450
2027$24,997,000 $11,248,650

The city's market estimate has risen 1069% 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.

2 street-flooding or sewer-backup complaints at this address since 2011 (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

SubwayFort Hamilton Pkwy — F G · 0.3 mi straight-line (about an 8-minute walk) · station accessibility: none
Beverley Rd — Q · 0.4 mi straight-line (about a 10-minute walk) · station accessibility: none
BusNearest boarding stop: Coney Island Av / Church Av — B68 · 150 ft
Citi BikeCaton Ave & E 10 St · 450 ft · station location as of 2026-09-23; live availability
School zones (2024–25 map)Elementary: P.S. 249 The Caton. 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

435 Coney Island 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

199 311 service requests from this address in the last three years — 10 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 JOYLAND MANAGEMENT — 32 buildings, 1,204 units. Grades across the portfolio: A11 · B13 · C3 · D2 · F2. See the whole portfolio

BuildingBoroughUnitsGrade
275 Lorimer Street BK270 A
828 Metropolitan Avenue BK136 B
435 Coney Island Avenue BK128 B
824 East New York Avenue BK94 A
271 Lorimer Street BK66 A
803 Wyckoff Avenue QN54 A
550 Kingston Avenue BK48 A
26 Quincy Street BK43 A
435 Vanderbilt Avenue BK43 A
378 Grove Street BK39 A
492 Lefferts Avenue BK38 B
504 East 11 Street MN32 B
920 72 Street BK32 D
1262 Broadway BK29 A
106-04 Northern Boulevard QN28 C
570 Nostrand Avenue BK25 A
38 Stratford Road BK14 B
486 Lefferts Avenue BK9 B
488 Lefferts Avenue BK9 B
77 Steuben Street BK8 B
1444 Pacific Street BK8 B
829 Monroe Street BK8 B
825 Monroe Street BK7 B
1368 Putnam Avenue BK6 B
1298 Sterling Place BK6 D
611 Nostrand Avenue BK6 B
1044 Decatur Street BK6 A
762 Miller Avenue BK6 C
2587A Bainbridge Avenue BX2 F
472 Chauncey Street BK2 C
183-01 141 Avenue QN2 F
263 Skillman Street BK— —

Sales, deeds & mortgages

Most recent mortgage recorded against this lot: $6,000,000 on 2025-09-05 (lender: Valley National Bank). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.

DateRecordAmountPer res. unit
2025-09-05Agreement $56,000,000 — from 425 CONEY ISLAND REALTY LLC to VALLEY NATIONAL BANK $56,000,000
2025-09-05AL&R $56,000,000 — from 425 CONEY ISLAND REALTY LLC to VALLEY NATIONAL BANK $56,000,000
2025-09-05Mortgage $6,000,000 — from 425 CONEY ISLAND REALTY LLC to VALLEY NATIONAL BANK $6,000,000
2023-10-13AL&R $8,003,061 — from 425 CONEY ISLAND REALTY LLC to VALLEY NATIONAL BANK $8,003,061
2023-10-13Mortgage $8,003,061 — from 425 CONEY ISLAND REALTY LLC to VALLEY NATIONAL BANK $8,003,061
2023-10-13AL&R $27,496,939 — from 425 CONEY ISLAND REALTY LLC to VALLEY NATIONAL BANK $27,496,939
2023-10-13Mortgage $27,496,939 — from 425 CONEY ISLAND REALTY LLC to VALLEY NATIONAL BANK $27,496,939
2023-10-13AL&R $14,500,000 — from 425 CONEY ISLAND REALTY LLC to VALLEY NATIONAL BANK $14,500,000
2023-10-13Agreement $14,500,000 — from 425 CONEY ISLAND REALTY LLC to VALLEY NATIONAL BANK $14,500,000
2022-10-04AL&R $14,500,000 — from 425 CONEY ISLAND REALTY LLC to VALLEY NATIONAL BANK $14,500,000
2022-10-04Agreement $14,500,000 — from 425 CONEY ISLAND REALTY LLC to VALLEY NATIONAL BANK $14,500,000
2022-10-04Mortgage $2,500,000 — from 425 CONEY ISLAND REALTY LLC to VALLEY NATIONAL BANK $2,500,000
2019-12-19Mortgage $12,000,000 — from 425 CONEY ISLAND REALTY LLC to THE BANK OF PRINCETON $12,000,000
2019-12-19Deed $16,000,000 — from 425 CONEY ISLAND LLC to 425 CONEY ISLAND REALTY LLC $16,000,000
2019-12-19AL&R $12,000,000 — from 425 CONEY ISLAND REALTY LLC to THE BANK OF PRINCETON $12,000,000

Ten-year activity

5002500
2017
2018
2019
2020
2021
2022
2023
2024
2025
214
2026
ConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systems
Show as table
YearConstructionEnforcementHousing & tenantsOwnership & moneyHealth & systemsTotal
2017205007
20180670114
20190121081747
2020006006
202100130013
202290218846
20232728357299
2024132172135
202599504678
202624116650214
This record is free. Keeping it free costs money.
Servers, data pipelines, weekends. Pay what you want — a dollar helps.
Chip in

The full timeline

Construction 82Enforcement 110Housing & tenants 356Ownership & money 64Health & systems 41

Every one of the 653 recorded events, 1969–2026, is laid out year by year in the full report (print-ready).

Explore: ZIP 11218 · Landlord rankings · How grades work · The map · The Mice Map