2,931 recorded events, 1966–2026, from 19 city data systems. The city's paper trail here is mostly 1,063 HPD complaints, 1,013 311 service requests, 540 HPD housing violations.
Full record, year by year Support this site
A sustained record of distress well beyond its peers. More recorded distress than 96% of 25-99-unit residential buildings citywide. The citywide median for 25-99-unit residential buildings is 23.6 penalty points per 10 units; this building carries 353.6. In ZIP 11238, 51% of residential buildings hold an A and 10% grade D or F. How grades work
Among 17,252 25-99-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 152 total — 23 class C (immediately hazardous), 102 class B, 27 class A. Oldest open since 2018-12-28. |
status snapshot refreshed weekly from HPD records
230 heat or hot-water complaints in the last three years (winter 2023–24: 55 · winter 2024–25: 49 · winter 2025–26: 112). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
$1,905 in enforcement penalties imposed (ECB/OATH) in the last three years.
261 service requests in the last three years. Most common: HEAT/HOT WATER (102) · UNSANITARY CONDITION (34) · WATER LEAK (28) · GENERAL (21) · PLUMBING (16) · PAINT/PLASTER (11).
$154,300 in permitted construction work filed since 2016 (6 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 (1932) |
| Yes | Six or more residential units (39) |
| Yes | 421-a / J-51 tax benefit on the current tax roll |
3 of 3 signals present. Buildings receiving 421-a or J-51 benefits are generally required to register their units as rent-stabilized for the duration of the benefit. The definitive answer for any unit: request its rent history from NYS Homes & Community Renewal (free, at hcr.ny.gov).
| Registered owner(s) | OTA GREENE LLC |
| Head officer | ELLEN GUCCIONE |
| Managing agent | DIAMOND MINE REAL ESTATE LLC |
| Last registered | 2026-07-07 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $7,551,000 | $3,397,950 |
| 2026 | $7,693,000 | $3,461,850 |
| 2027 | $7,369,000 | $3,316,050 |
The city's market estimate has fallen 2% between tax years 2025 and 2027.
Tax exemptions on the roll: J51
| Energy grade (LL33) | D — ENERGY STAR score 14/100, posted at the entrance by law (2022 disclosure cycle) |
| Heating fuel | NATURALGAS |
| Facade (Local Law 11) | SAFE (cycle 8) |
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 | Lafayette Av — C · 600 ft straight-line (about a 3-minute walk) · station accessibility: none Clinton-Washington Avs — G · 1,050 ft straight-line (about a 5-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Greene Av / Adelphi St — B52 · 100 ft |
| Citi Bike | Carlton Ave & Greene Ave · 200 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 020 Clinton Hill. 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.
50 Greene 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 |
261 311 service requests from this address in the last three years — 102 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 DIAMOND MINE REAL ESTATE LLC — 11 buildings, 248 units. Grades across the portfolio: A1 · B5 · C2 · D3. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 112 West 138 Street | MN | 54 | B |
| 50 Greene Avenue | BK | 39 | D |
| 802 Bergen Street | BK | 32 | B |
| 471 Vanderbilt Avenue | BK | 26 | A |
| 1398 Dean Street | BK | 20 | C |
| 637 Nostrand Avenue | BK | 18 | D |
| 403 Macon Street | BK | 16 | B |
| 299 Putnam Avenue | BK | 16 | B |
| 303 Putnam Avenue | BK | 16 | C |
| 276 Throop Avenue | BK | 8 | B |
| 942 Bergen Street | BK | 3 | D |
Most recent mortgage recorded against this lot: $2,689,836 on 2022-07-12 (lender: Big Real Estate Finance II LLC), covering 4 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.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2022-08-16 | RPTT $50,840,000 — from MEMBERS OF AVANATH AFFORDABLE HOUSING II to AVANATH AH RENAISSANCE AGGREGATOR, L.P. | $50,840,000 | |
| 2022-07-12 | Mortgage $2,689,837 — from OTA VANDERBILT LLC; OTA GREENE LLC; OTA GRAND LLC; OTA BERGEN LLC to BIG REAL ESTATE FINANCE II LLC | $2,689,837 | |
| 2022-07-12 | AL&R $38,100,000 — from OTA GRAND LLC; OTA BERGEN LLC; OTA GREENE LLC; OTA VANDERBILT LLC to BIG REAL ESTATE FINANCE II LLC | $38,100,000 | |
| 2022-07-12 | Agreement $38,100,000 — from OTA BERGEN LLC; OTA GRAND LLC; OTA VANDERBILT LLC; OTA GREENE LLC to BIG REAL ESTATE FINANCE II LLC | $38,100,000 | |
| 2018-01-31 | Mortgage $4,000,000 — from OTA VANDERBILT, LLC; OTA GRAND, LLC; OTA GREENE, LLC; OTA BERGEN, LLC to FIRST REPUBLIC BANK | $4,000,000 | |
| 2018-01-31 | Agreement $38,000,000 — from OTA BERGEN, LLC; OTA GREENE, LLC; OTA GRAND, LLC; OTA VANDERBILT, LLC to FIRST REPUBLIC BANK | $38,000,000 | |
| 2018-01-31 | Agreement $38,000,000 — from OTA VANDERBILT, LLC; OTA BERGEN, LLC; OTA GREENE, LLC; OTA GRAND, LLC to FIRST REPUBLIC BANK | $38,000,000 | |
| 2018-01-31 | Mortgage $14,600,000 — from OTA GREENE, LLC to FIRST REPUBLIC BANK | $14,600,000 | |
| 2018-01-31 | AL&R $14,600,000 — from OTA GREENE, LLC to FIRST REPUBLIC BANK | $14,600,000 | |
| 2015-10-07 | Deed $60,209,050 — from PRETORIA LLC; LOBEL, NISAN S; JONATHAN ENTERPRISES, LLC; JONATHAN ENTERPRISES, LLC; GALVIN to OTA VANDERBILT, LLC; OTA GREENE, LLC; OTA GRAND, LLC; OTA BERGEN, LLC | $60,209,050 | |
| 2015-10-07 | Agreement $34,000,000 — from OTA GRAND, LLC; OTA BERGEN, LLC; OTA GREENE, LLC; OTA VANDERBILT, LLC to WELLS FARGO BANK, NATIONAL ASSOCIATION | $34,000,000 | |
| 2015-10-07 | Mortgage $19,067,843 — from OTA VANDERBILT, LLC; OTA GREENE, LLC; OTA GRAND, LLC; OTA BERGEN, LLC to WELLS FARGO BANK, NATIONAL ASSOCIATION | $19,067,843 | |
| 2013-07-22 | Mortgage $6,650,000 — from 50 GREENE OWNERS, LLC to SIGNATURE BANK | $6,650,000 | |
| 2013-07-22 | AL&R $6,650,000 — from 50 GREENE OWNERS, LLC to SIGNATURE BANK | $6,650,000 | |
| 2002-05-03 | Mortgage $1,159,127 — from 50 GREENE OWNERS LLC to NYC PARTNERSHIP HOUSING DEVELOPMENT CORP | $1,159,127 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 6 | 91 | 0 | 2 | 99 |
| 2018 | 0 | 6 | 54 | 9 | 1 | 70 |
| 2019 | 0 | 9 | 196 | 0 | 2 | 207 |
| 2020 | 0 | 12 | 180 | 0 | 1 | 193 |
| 2021 | 2 | 11 | 202 | 0 | 4 | 219 |
| 2022 | 0 | 4 | 212 | 6 | 1 | 223 |
| 2023 | 0 | 2 | 164 | 0 | 1 | 167 |
| 2024 | 0 | 1 | 185 | 0 | 2 | 188 |
| 2025 | 2 | 4 | 274 | 1 | 7 | 288 |
| 2026 | 2 | 3 | 407 | 0 | 1 | 413 |
Every one of the 2,931 recorded events, 1966–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11238 · Landlord rankings · How grades work · The map · The Mice Map