592 recorded events, 1992–2026, from 18 city data systems. The city's paper trail here is mostly 303 311 service requests, 95 HPD complaints, 43 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. Less recorded distress than 52% 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 21.5. 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 | 2 total — 0 class C (immediately hazardous), 1 class B, 1 class A. Oldest open since 2026-07-23. |
status snapshot refreshed weekly from HPD records
4 heat or hot-water complaints in the last three years (winter 2024–25: 2 · winter 2025–26: 2). Repeated winter clusters suggest a chronic heating problem.
2 bedbug-infested unit(s) reported in filings over the last three years.
101 service requests in the last three years. Most common: UNSANITARY CONDITION (27) · Rodent (23) · Noise (9) · Illegal Parking (5) · PLUMBING (5) · Derelict Vehicles (3).
$299,700 in permitted construction work filed since 2016 (7 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) |
| Yes | Six or more residential units (83) |
| 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) | 523 PROSPECT PLACE, LLC |
| Head officer | EFSTATHIOS VALIOTIS |
| Managing agent | ALMA REALTY CORP |
| Last registered | 2025-07-02 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $13,471,000 | $6,061,950 |
| 2026 | $13,310,000 | $5,989,500 |
| 2027 | $10,628,000 | $4,782,600 |
The city's market estimate has fallen 21% between tax years 2025 and 2027.
Tax exemptions on the roll: ARTICLE XI
| Energy grade (LL33) | B — ENERGY STAR score 83/100 (2022 disclosure cycle) |
| Facade (Local Law 11) | UNSAFE — unsafe conditions reported (cycle 9) |
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.
3 street-flooding or sewer-backup complaints at this address since 2021 (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.
| Subway | Park Pl — S · 450 ft straight-line (about a 2-minute walk) · station accessibility: full Botanic Garden — 2 3 4 5 S · 0.3 mi straight-line (about a 9-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Classon Av / Prospect Pl — B48 · 200 ft |
| Citi Bike | Classon Ave & St Marks Ave · 250 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: Brooklyn Arts and Science Elementary School Middle: Ebbets Field Middle School. 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.
464 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 |
101 311 service requests from this address in the last three years — 2 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 ALMA REALTY CORP — 155 buildings, 7,629 units. Grades across the portfolio: A38 · B64 · C45 · D7 · F1. See the whole portfolio
showing 60 of 155 buildings
Most recent mortgage recorded against this lot: $3,604,000 on 2024-07-10 (lender: Deutsche Bank Ag New York Branch). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2024-07-29 | SPRD $3,604,000 — from 523 PROSPECT PLACE HOUSING DEVELOPMENT; 523 PROSPECT PLACE, LLC; DAVIDSON EQUITIES, LLC to DEUTSCHE BANK AG NEW YORK BRANCH | $3,604,000 | |
| 2024-07-10 | Agreement $18,000,000 — from 523 PROSPECT PLACE HOUSING DEVELOPMENT F; 523 PROSPECT PLACE, LLC to DEUTSCHE BANK AG NEW YORK BRANCH | $18,000,000 | |
| 2024-07-10 | Mortgage $3,604,000 — from 523 PROSPECT PLACE, LLC; 523 PROSPECT PLACE HOUSING DEVELOPMENT F to DEUTSCHE BANK AG NEW YORK BRANCH | $3,604,000 | |
| 2020-11-12 | Mortgage $4,809,235 — from 523 PROSPECT PLACE LLC; 523 PROSPECT PLACE HOUSING DEVELOPMENT F to DEUTSCHE BANK AG NEW YORK BRANCH | $4,809,235 | |
| 2020-11-12 | Agreement $18,000,000 — from 523 PROSPECT PLACE LLC; 523 PROSPECT PLACE HOUSING DEVELOPMENT F to DEUTSCHE BANK AG NEW YORK BRANCH | $18,000,000 | |
| 2020-11-12 | AL&R $18,000,000 — from 523 PROSPECT PLACE LLC; 523 PROSPECT PLACE HOUSING DEVELOPMENT F to DEUTSCHE BANK AG NEW YORK BRANCH | $18,000,000 | |
| 2017-07-11 | Agreement $14,000,000 — from 523 PROSPECT PLACE HOUSING DEVELOPMENT to 523 PROSPECT PLACE, LLC | $14,000,000 | |
| 2016-01-15 | Mortgage $4,319,201 — from 523 PROSPECT PLACE, LLC to NEW YORK COMMUNITY BANK | $4,319,201 | |
| 2016-01-15 | Agreement $14,000,000 — from 523 PROSPECT PLACE, LLC to NEW YORK COMMUNITY BANK | $14,000,000 | |
| 2011-01-21 | Agreement $10,562,000 — from 523 PROSPECT PLACE, LLC to BEECH STREET CAPITAL, LLC | $10,562,000 | |
| 2011-01-21 | Agreement $10,000,000 — from 555 PROSPECT ASSOCIATES, LLC to NEW YORK COMMUNITY BANK | $10,000,000 | |
| 2011-01-21 | Mortgage $1,301,603 — from 523 PROSPECT PLACE, LLC to BEECH STREET CAPITAL, LLC | $1,301,603 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 1 | 14 | 6 | 0 | 21 |
| 2018 | 0 | 3 | 9 | 0 | 0 | 12 |
| 2019 | 2 | 3 | 16 | 0 | 0 | 21 |
| 2020 | 4 | 3 | 27 | 4 | 3 | 41 |
| 2021 | 5 | 23 | 35 | 0 | 1 | 64 |
| 2022 | 6 | 3 | 22 | 0 | 1 | 32 |
| 2023 | 4 | 8 | 38 | 0 | 0 | 50 |
| 2024 | 0 | 3 | 96 | 4 | 2 | 105 |
| 2025 | 0 | 0 | 55 | 0 | 4 | 59 |
| 2026 | 0 | 1 | 26 | 1 | 2 | 30 |
Every one of the 592 recorded events, 1992–2026, 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