242 recorded events, 1970–2026, from 14 city data systems. The city's paper trail here is mostly 73 311 service requests, 50 ACRIS deeds & mortgages, 48 HPD complaints.
Full record, year by year Support this site
A modest record — below the level that usually signals systemic problems. More recorded distress than 63% 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 29.2. In ZIP 11205, 49% of residential buildings hold an A and 13% 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 | 1 total — 0 class C (immediately hazardous), 0 class B, 1 class A. Oldest open since 2023-07-12. |
status snapshot refreshed weekly from HPD records
10 heat or hot-water complaints in the last three years (winter 2024–25: 4 · winter 2025–26: 6). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
9 service requests in the last three years. Most common: HEAT/HOT WATER (5) · UNSANITARY CONDITION (1) · Derelict Vehicles (1) · Snow or Ice (1) · Noise (1).
$126,400 in permitted construction work filed since 2016 (4 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 (1915) |
| Yes | Six or more residential units (8) |
| 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) | 23 BK PARTNERS LLC |
| Head officer | ITAY GAMLIELI |
| Managing agent | EXL MANAGEMENT LLC |
| Last registered | 2025-10-17 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $1,947,600 | $876,420 |
| 2026 | $1,558,000 | $701,100 |
| 2027 | $1,870,000 | $841,500 |
The city's market estimate has fallen 4% between tax years 2025 and 2027.
Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).
Hurricane evacuation zone 2 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.
| Subway | DeKalb Av — B Q R · 0.6 mi straight-line (about a 17-minute walk) · station accessibility: full Clinton-Washington Avs — G · 0.7 mi straight-line (about a 17-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Flushing Av / Vanderbilt Av — B57 B69 · 400 ft |
| Citi Bike | Flushing Ave & Clermont Ave · 400 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 046 Edward C. Blum. 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.
23 Adelphi Street
| 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 |
9 311 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.
Managed by EXL MANAGEMENT LLC — 22 buildings, 151 units. Grades across the portfolio: B9 · C7 · D6. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 215 West 109 Street | MN | 25 | C |
| 638 West End Avenue | MN | 13 | C |
| 2 West 16 Street | MN | 13 | B |
| 142 West 87 Street | MN | 10 | C |
| 268 West 91 Street | MN | 9 | B |
| 1412 Madison Avenue | MN | 8 | B |
| 1410 Madison Avenue | MN | 8 | B |
| 122 East 91 Street | MN | 8 | C |
| 23 Adelphi Street | BK | 8 | B |
| 152 Macon Street | BK | 7 | B |
| 19-28 Linden Street | QN | 6 | B |
| 1656 DeKalb Avenue | BK | 6 | D |
| 106 East 31 Street | MN | 5 | B |
| 2473 Hughes Avenue | BX | 4 | D |
| 95 Grand Street | MN | 4 | C |
| 1194 Greene Avenue | BK | 3 | C |
| 108 East 31 Street | MN | 3 | B |
| 500 Broome Street | MN | 3 | C |
| 5611 Catalpa Avenue | QN | 2 | D |
| 132 Macon Street | BK | 2 | D |
| 1219 Atlantic Avenue | BK | 2 | D |
| 152 George Street | BK | 2 | D |
Most recent mortgage recorded against this lot: $771,615 on 2026-05-22 (lender: Ridgewood Savings Bank). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2026-05-22 | AL&R $2,525,000 — from 23 BK PARTNERS LLC to RIDGEWOOD SAVINGS BANK | $2,525,000 | |
| 2026-05-22 | Agreement $2,525,000 — from 23 BK PARTNERS LLC to RIDGEWOOD SAVINGS BANK | $2,525,000 | |
| 2026-05-22 | Mortgage $771,615 — from 23 BK PARTNERS LLC to RIDGEWOOD SAVINGS BANK | $771,615 | |
| 2023-03-22 | AL&R $1,800,000 — from 23 BK PARTNERS LLC to RIDGEWOOD SAVINGS BANK | $1,800,000 | |
| 2023-03-22 | Agreement $1,800,000 — from 23 BK PARTNERS LLC to RIDGEWOOD SAVINGS BANK | $1,800,000 | |
| 2023-03-22 | Mortgage $976,336 — from 23 BK PARTNERS LLC to RIDGEWOOD SAVINGS BANK | $976,336 | |
| 2023-03-22 | Deed $2,500,000 — from 23 ADELPHI ST LLC to 23 BK PARTNERS LLC | $2,500,000 | |
| 2023-03-09 | Sold for $2,500,000 | $2,500,000 | $312,500 |
| 2014-11-21 | Mortgage $1,000,000 — from 23 ADELPHI ST. LLC to JPMORGAN CHASE BANK, N.A. | $1,000,000 | |
| 2013-02-21 | Deed $900,000 — from IGLESIAS, CARMEN Z to 23 ADELPHI ST LLC | $900,000 | |
| 2009-05-27 | AL&R $396,000 — from IGLESIAS, CARMEN Z to EMIGRANT FUNDING CORPORATION | $396,000 | |
| 2009-05-27 | Mortgage $396,000 — from IGLESIAS, CARMEN Z to EMIGRANT FUNDING CORPORATION | $396,000 | |
| 2006-08-24 | Mortgage $300,000 — from IGLESIAS, HUMBERTO to NATIONAL COMMERCIAL MORTGAGE, INC. | $300,000 | |
| 2002-06-05 | Mortgage $90,000 — from IGLESIAS, CARMEN H to COLUMBIA CAPITAL CO | $90,000 | |
| 1983-01-13 | Mortgage $12,000 — from IGLESIAS, CARMEN H to MONTOYA, VINCENT Y | $12,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 0 | 3 | 0 | 1 | 4 |
| 2018 | 0 | 0 | 4 | 0 | 3 | 7 |
| 2019 | 0 | 0 | 9 | 0 | 1 | 10 |
| 2020 | 2 | 0 | 5 | 0 | 1 | 8 |
| 2021 | 4 | 0 | 4 | 0 | 0 | 8 |
| 2022 | 1 | 0 | 2 | 0 | 1 | 4 |
| 2023 | 0 | 1 | 24 | 6 | 1 | 32 |
| 2024 | 0 | 0 | 4 | 0 | 1 | 5 |
| 2025 | 0 | 1 | 14 | 0 | 1 | 16 |
| 2026 | 0 | 0 | 2 | 4 | 1 | 7 |
Every one of the 242 recorded events, 1970–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11205 · Landlord rankings · How grades work · The map · The Mice Map