7,234 recorded events, 1900–2026, from 22 city data systems. The city's paper trail here is mostly 2,866 311 service requests, 1,685 HPD complaints, 1,087 HPD housing violations.
Full record, year by year Support this site
A meaningful record of code violations or complaints relative to its peers. More recorded distress than 88% 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 48.1. In ZIP 11224, 81% of residential buildings hold an A and 5% grade D or F. How grades work
Among 4,677 100+-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 107 total — 42 class C (immediately hazardous), 43 class B, 22 class A. Oldest open since 2017-06-16. |
| Active vacate order | 1 unit(s) under an unrescinded HPD vacate order |
status snapshot refreshed weekly from HPD records
66 heat or hot-water complaints in the last three years (winter 2023–24: 7 · winter 2024–25: 28 · winter 2025–26: 25). Repeated winter clusters suggest a chronic heating problem.
277 bedbug-infested unit(s) reported in filings over the last three years.
464 service requests in the last three years. Most common: Noise (184) · UNSANITARY CONDITION (72) · PLUMBING (42) · HEAT/HOT WATER (32) · PAINT/PLASTER (31) · DOOR/WINDOW (25).
$1,903,250 in permitted construction work filed since 2016 (41 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.
| No | Built before 1974 (1974) |
| Yes | Six or more residential units (334) |
| 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) | CONEY ISLAND SITE 4A-1 HOUSES INC. |
| Head officer | ADAM SUSSI |
| Managing agent | GRENADIER REALTy |
| Last registered | 2025-09-03 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $30,221,000 | $13,599,450 |
| 2026 | $33,202,000 | $14,940,900 |
| 2027 | $38,534,000 | $17,340,300 |
The city's market estimate has risen 28% between tax years 2025 and 2027.
Tax exemptions on the roll: MITCHELL-LAMA
| Heating fuel | NATURALGAS |
| Facade (Local Law 11) | SAFE (cycle 9) |
In the FEMA 1%-annual-chance floodplain (2015 preliminary flood maps) — lenders typically require flood insurance here.
Hurricane evacuation zone 1 of 6 — zone 1 evacuates first.
In the city's stormwater flood map only under the extreme-storm scenario (3.66 in/hr cloudburst with 2080 sea levels) — an Ida-scale event.
12 street-flooding or sewer-backup complaints at this address since 2010 (0 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.
| Bus | Nearest boarding stop: W 33 St / Neptune Av — B36 · 250 ft |
| School zones (2024–25 map) | Elementary: P.S. 188 Michael E. Berdy Middle: P.S. 099 Isaac Asimov. 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.
3521 Neptune 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 |
| Anything else | Anything else |
464 311 service requests from this address in the last three years — 32 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.
Managed by GRENADIER REALTY MANAGEMENT — 61 buildings, 6,171 units. Grades across the portfolio: A15 · B27 · C13 · D2 · F1. See the whole portfolio
showing 60 of 61 buildings
Most recent mortgage recorded against this lot: $2,542,947 on 2001-08-24 (lender: New York State Urbandevelopment Corporation). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2025-06-16 | Agreement $29,840,000 — from BAY PARK ONE-A LLC; HP BAY PARK I PRESERVATION HOUSING COMPA to FEDERAL HOME LOAN MORTGAGE CORPORATION | $29,840,000 | |
| 2025-06-16 | Agreement $29,840,000 — from HP BAY PARK I PRESERVATION HOUSING COMPA; BAY PARK ONE-A LLC to FEDERAL HOME LOAN MORTGAGE CORPORATION | $29,840,000 | |
| 2015-08-03 | Mortgage $29,840,000 — from HP BAY I PRESERVATION HOUSING COMPANY, I; BAY PARK ONE-A LLC to NEW YORK STATE HOSUING FINANCE AGENCY | $29,840,000 | |
| 2015-08-03 | Mortgage $29,840,000 — from BAY PARK ONE-A LLC; HP BAY I PRESERVATION HOUSING COMPANY, I to NEW YORK STATE HOSUING FINANCE AGENCY | $29,840,000 | |
| 2015-08-03 | Deed $66,035,378 — from BAY PARK ONE COMPANY LIMITED PARTNERSHIP; CONEY ISLAND SITE 4A-1 HOUSES, INC to BAY PARK ONE-A LLC; HP BAY PARK I PRESERVATION HOUSING COMPA | $66,035,378 | |
| 2015-08-03 | Agreement $39,008,955 — from CONEY ISLAND SITE 4A-1 HOUSES, INC; SEA RISE I DEVELOPMENT COMPANY LLC to NEW YORK STATE HOSUING FINANCE AGENCY | $39,008,955 | |
| 2001-08-24 | Mortgage $2,542,947 — from CONEY ISLAND SITE 4A-1 HOUSES INC to NEW YORK STATE URBANDEVELOPMENT CORPORAT | $2,542,947 | |
| 1996-04-16 | Mortgage $6,469,462 — from CONEY ISLAND SITE 4A-1 HOUSES INC to NEW YORK STATE URBANDEVELOPMENT CORPORAT | $6,469,463 | |
| 1995-06-14 | Mortgage $1,365,000 — from CONEY ISLAND SITE 4A1 HOUSES INC to NEW YORK STATE HOUSING FINANCE AGENCY | $1,365,000 | |
| 1985-08-28 | Mortgage $11,179,576 — from CONEY ISLAND SITE 4A-1 H to NYS URBAN DVLPT CP | $11,179,576 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 29 | 70 | 262 | 1 | 9 | 371 |
| 2018 | 6 | 21 | 246 | 3 | 12 | 288 |
| 2019 | 0 | 12 | 265 | 2 | 13 | 292 |
| 2020 | 32 | 10 | 201 | 0 | 7 | 250 |
| 2021 | 6 | 7 | 343 | 0 | 7 | 363 |
| 2022 | 2 | 23 | 420 | 3 | 12 | 460 |
| 2023 | 1 | 11 | 250 | 0 | 8 | 270 |
| 2024 | 0 | 6 | 302 | 0 | 11 | 319 |
| 2025 | 0 | 6 | 384 | 4 | 6 | 400 |
| 2026 | 2 | 3 | 228 | 1 | 0 | 234 |
Every one of the 7,234 recorded events, 1900–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11224 · Landlord rankings · How grades work · The map · The Mice Map