447 recorded events, 1971–2026, from 12 city data systems. The city's paper trail here is mostly 207 HPD housing violations, 112 311 service requests, 76 HPD complaints.
Full record, year by year Support this site
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 2329.3. In ZIP 11204, 76% 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 | 180 total — 44 class C (immediately hazardous), 111 class B, 25 class A. Oldest open since 1983-10-06. |
status snapshot refreshed weekly from HPD records
11 heat or hot-water complaints in the last three years (winter 2023–24: 2 · winter 2024–25: 7). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
$1,250 in enforcement penalties imposed (ECB/OATH) in the last three years.
46 service requests in the last three years. Most common: DOOR/WINDOW (6) · FLOORING/STAIRS (6) · PAINT/PLASTER (6) · HEAT/HOT WATER (5) · GENERAL (4) · WATER LEAK (4).
No permitted work with a declared cost filed in the last decade. Permit costs cover filed construction work only — they do not capture routine maintenance or repairs done without a permit.
| Yes | Built before 1974 (1927) |
| No | Six or more residential units (3) |
| 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) | 6101 23 LLC |
| Head officer | Abraham Klein |
| Managing agent | Joel Greenfield |
| Last registered | 2025-11-20 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $3,074,000 | $184,440 |
| 2026 | $2,829,000 | $169,740 |
| 2027 | $2,464,000 | $147,840 |
The city's market estimate has fallen 20% between tax years 2025 and 2027.
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.
| Subway | Avenue N — F · 700 ft straight-line (about a 3-minute walk) · station accessibility: none Bay Pkwy — N · 0.3 mi straight-line (about an 8-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: 60 St / 23 Av — B9 · 300 ft |
| School zones (2024–25 map) | Elementary: P.S. 226 Alfred De B. Mason Middle: P.S. 226 Alfred De B. Mason. 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.
6101 23 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 |
46 311 service requests from this address in the last three years — 5 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.
Most recent mortgage recorded against this lot: $1,650,000 on 2025-08-28 (recorded via MERS, the industry registry; the lender is not named on the record). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2025-08-28 | Mortgage $1,650,000 — from 6101 23 LLC to MERS | $1,650,000 | |
| 2025-04-28 | Deed $1,875,000 — from NANIA, MARIA to 6101 23 LLC | $1,875,000 | |
| 2025-04-24 | Sold for $1,875,000 | $1,875,000 | $625,000 |
| 1985-10-25 | Mortgage $60,000 — from NANIA, ANTONIA; NANIA, ANTONIO to GREEN POINT SAVINGSBANK | $60,000 |
| Year | Enforcement | Housing & tenants | Ownership & money | Total |
|---|---|---|---|---|
| 2017 | 0 | 0 | 0 | 0 |
| 2018 | 0 | 3 | 0 | 3 |
| 2019 | 0 | 3 | 2 | 5 |
| 2020 | 1 | 8 | 0 | 9 |
| 2021 | 0 | 9 | 0 | 9 |
| 2022 | 1 | 6 | 0 | 7 |
| 2023 | 0 | 85 | 0 | 85 |
| 2024 | 3 | 231 | 2 | 236 |
| 2025 | 7 | 9 | 3 | 19 |
| 2026 | 1 | 3 | 0 | 4 |
Every one of the 447 recorded events, 1971–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11204 · Landlord rankings · How grades work · The map · The Mice Map