398 recorded events, 1976–2026, from 15 city data systems. The city's paper trail here is mostly 102 311 service requests, 101 HPD complaints, 76 HPD housing violations.
Full record, year by year Support this site
The city's published records show little recorded distress here in the last three years. More recorded distress than 60% of 6-24-unit residential buildings citywide. The citywide median for 6-24-unit residential buildings is 16.3 penalty points per 10 units; this building carries 25.4. In ZIP 11213, 61% of residential buildings hold an A and 11% grade D or F. How grades work
Among 46,798 6-24-unit residential buildings citywide · left is less recorded distress, right is more
| Open HPD violations | 4 total — 4 class C (immediately hazardous), 0 class B, 0 class A. Oldest open since 2011-03-09. |
status snapshot refreshed weekly from HPD records
2 heat or hot-water complaints in the last three years.
No bedbug-infested units reported in the last three years of filings.
7 service requests in the last three years. Most common: Rodent (2) · Abandoned Vehicle (1) · UNSANITARY CONDITION (1) · Lead (1) · HEAT/HOT WATER (1) · PLUMBING (1).
$435,375 in permitted construction work filed since 2016 (8 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 (1897) |
| Yes | Six or more residential units (7) |
| No | 421-a / J-51 tax benefit on the current tax roll |
2 of 3 signals present. This is the classic profile of a rent-stabilized building (pre-1974, 6+ units) — many units in such buildings remain stabilized. The definitive answer for any unit: request its rent history from NYS Homes & Community Renewal (free, at hcr.ny.gov).
| Registered owner(s) | PROSPECT LEFFERTS LLC |
| Head officer | OREN NERIA |
| Managing agent | REDSTONE REALTY NYC |
| Last registered | 2025-07-23 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $554,000 | $249,300 |
| 2026 | $665,000 | $299,250 |
| 2027 | $798,000 | $359,100 |
The city's market estimate has risen 44% 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 | Kingston-Throop Avs — C · 0.4 mi straight-line (about a 9-minute walk) · station accessibility: none Kingston Av — 3 · 0.4 mi straight-line (about a 9-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Kingston Av / Prospect Pl — B43 · 150 ft |
| Citi Bike | Bergen St & Kingston Ave · 400 ft · station location as of 2026-09-23; live availability |
| Bike facility | Painted bike lane mapped within 75 ft |
| School zones (2024–25 map) | Elementary: P.S. 289 George V. Brower Middle: The School of Integrated Learning. 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.
924 St Marks 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 |
7 311 service requests from this address in the last three years — 1 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 REDSTONE REALTY NYC — 42 buildings, 295 units. Grades across the portfolio: A15 · B13 · C6 · D5 · F3. See the whole portfolio
Most recent mortgage recorded against this lot: $3,335,208 on 2022-01-31 (lender: Signature Bank), covering 3 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 |
|---|---|---|---|
| 2022-01-31 | AL&R $4,550,000 — from 832 FLATBUSH LLC; PROSPECT LEFFERTS LLC; 173 MALCOLM X LLC to SIGNATURE BANK | $4,550,000 | |
| 2022-01-31 | Agreement $4,550,000 — from 173 MALCOLM X LLC; PROSPECT LEFFERTS LLC; 832 FLATBUSH LLC to SIGNATURE BANK | $4,550,000 | |
| 2022-01-31 | Mortgage $3,335,208 — from 832 FLATBUSH LLC; PROSPECT LEFFERTS LLC; 173 MALCOLM X LLC to SIGNATURE BANK | $3,335,208 | |
| 2022-01-31 | Agreement $1,250,000 — from 832 FLATBUSH LLC; 173 MALCOLM X LLC; PROSPECT LEFFERTS LLC to SIGNATURE BANK | $1,250,000 | |
| 2019-03-28 | Mortgage $1,250,000 — from PROSPECT LEFFERTS LLC to FIRST REPUBLIC BANK | $1,250,000 | |
| 2019-03-28 | AL&R $1,250,000 — from PROSPECT LEFFERTS LLC to FIRST REPUBLIC BANK | $1,250,000 | |
| 2019-03-28 | Deed $1,680,000 — from ESTATE OF WINTHROP HOLDER; ESTATE OF WINTHROP A. HOLDER; PERLMAN, PATRICIA; HOLDER (ADMINI to PROSPECT LEFFERTS LLC | $1,680,000 | |
| 2019-03-26 | Sold for $1,680,000 | $1,680,000 | $240,000 |
| 2005-09-02 | Mortgage $427,500 — from HOLDER, WINTHROP to FLUSHING SAVINGS BANK, FSB | $427,500 | |
| 2005-09-02 | Deed $700,000 — from GRIFFITH, PETER to HOLDER, WINTHROP | $700,000 | |
| 2001-03-28 | Mortgage $247,500 — from THOMAS, CARL W; GRIFFITH, ELIZABETH to FLUSHING SAVINGS BANK FSB | $247,500 | |
| 1992-10-28 | Mortgage $180,000 — from DYER, BERESFORD; BURKLEY, EGBERT; HARVEY, GREVILLE; HARRIS, NOEL to BAY RIDGE FED SAVS&LOAN | $180,000 | |
| 1991-08-29 | Mortgage $100,000 — from HARRIS, NOEL; HARVEY, GREVILLE; BURKLEY, EGBERT; DYER, BERESFORD to CONTEMPORARY MTGE BANKER | $100,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 0 | 5 | 0 | 0 | 5 |
| 2018 | 0 | 0 | 4 | 0 | 0 | 4 |
| 2019 | 0 | 1 | 3 | 7 | 0 | 11 |
| 2020 | 6 | 2 | 0 | 1 | 0 | 9 |
| 2021 | 4 | 0 | 4 | 0 | 1 | 9 |
| 2022 | 2 | 1 | 17 | 6 | 1 | 27 |
| 2023 | 2 | 0 | 5 | 0 | 1 | 8 |
| 2024 | 2 | 1 | 2 | 2 | 1 | 8 |
| 2025 | 0 | 0 | 5 | 0 | 10 | 15 |
| 2026 | 0 | 0 | 5 | 0 | 10 | 15 |
Every one of the 398 recorded events, 1976–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11213 · Landlord rankings · How grades work · The map · The Mice Map