38 recorded events, 1967–2025, from 8 city data systems. The city's paper trail here is mostly 13 ACRIS deeds & mortgages, 9 HPD complaints, 8 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 90% 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 30. In ZIP 11422, 89% of residential buildings hold an A and 4% grade D or F. How grades work
Among 699,345 1-5-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 8 total — 8 class C (immediately hazardous), 0 class B, 0 class A. Oldest open since 2018-10-30. |
status snapshot refreshed weekly from HPD records
No heat or hot-water complaints in the last three years.
No bedbug-infested units reported in the last three years of filings.
No 311 service requests from this address in the last three years.
$30,600 in permitted construction work filed since 2016 (1 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.
| Yes | Built before 1974 (1930) |
| No | Six or more residential units (1) |
| 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) | FRANK DIDERO |
| Managing agent | FERSON MANAGEMENT LLC |
| Last registered | 2017-09-26 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $577,000 | $34,620 |
| 2026 | $637,000 | $38,220 |
| 2027 | $669,000 | $40,140 |
The city's market estimate has risen 16% between tax years 2025 and 2027.
Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).
Hurricane evacuation zone 4 of 6 — zone 1 evacuates first.
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.
| Bus | Nearest boarding stop: 243 St / Weller Av — Q85 Q86 · 750 ft |
| School zones (2024–25 map) | Elementary: P.S./M.S. 138 Sunrise Middle: 355, 356. 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.
240-09 Weller 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 |
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 FERSON MANAGEMENT LLC — 6 buildings, 34 units. Grades across the portfolio: A3 · B1 · C2. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 12-21 31 Avenue | QN | 16 | A |
| 31-15 47 Street | QN | 6 | B |
| 39-21 213 Street | QN | 4 | A |
| 39-23 213 Street | QN | 4 | A |
| 29-09 Bell Boulevard | QN | 3 | C |
| 240-09 Weller Avenue | QN | 1 | C |
Most recent mortgage recorded against this lot: $387,845 on 2017-11-02 (lender: The Federal Savings Bank) (recorded via MERS). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2017-11-02 | Mortgage $387,845 — from JANVIER, JEAN C; ST. JEAN, MARIE D to MORTGAGE ELECTRONIC REGISTRATION SYSTEMS; THE FEDERAL SAVINGS BANK | $387,845 | |
| 2017-11-02 | Deed $395,000 — from DIDERO, FRANK J to JANVIER, JEAN C; ST. JEAN, MARIE D | $395,000 | |
| 2017-10-26 | Sold for $395,000 | $395,000 | $395,000 |
| 1993-04-29 | Mortgage $60,000 — from DIDERO, FRANK J to GREEN POINT SAVINGSBANK | $60,000 |
| Year | Construction | Housing & tenants | Ownership & money | Total |
|---|---|---|---|---|
| 2017 | 0 | 3 | 3 | 6 |
| 2018 | 0 | 2 | 0 | 2 |
| 2019 | 0 | 2 | 0 | 2 |
| 2020 | 0 | 0 | 0 | 0 |
| 2021 | 0 | 1 | 0 | 1 |
| 2022 | 0 | 2 | 0 | 2 |
| 2023 | 2 | 1 | 0 | 3 |
| 2024 | 0 | 1 | 0 | 1 |
| 2025 | 0 | 1 | 0 | 1 |
| 2026 | 0 | 0 | 0 | 0 |
Every one of the 38 recorded events, 1967–2025, is laid out year by year in the full report (print-ready).
Explore: ZIP 11422 · Landlord rankings · How grades work · The map · The Mice Map