1,163 recorded events, 1966–2026, from 18 city data systems. The city's paper trail here is mostly 403 311 service requests, 322 HPD complaints, 315 HPD housing violations.
Full record, year by year Support this site
A modest record — below the level that usually signals systemic problems. More recorded distress than 76% 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 90.2. In ZIP 11101, 70% of residential buildings hold an A and 5% 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 | 30 total — 17 class C (immediately hazardous), 12 class B, 1 class A. Oldest open since 2006-09-03. |
status snapshot refreshed weekly from HPD records
47 heat or hot-water complaints in the last three years (winter 2023–24: 24 · winter 2024–25: 12 · winter 2025–26: 11). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
89 service requests in the last three years. Most common: HEAT/HOT WATER (20) · Noise (18) · UNSANITARY CONDITION (8) · Illegal Parking (8) · WATER LEAK (5) · PAINT/PLASTER (5).
$50,120 in permitted construction work filed since 2016 (3 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 (1927) |
| Yes | Six or more residential units (55) |
| 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) | XIOS 21 LLC |
| Head officer | CHRIS TRIANTAFILLOU |
| Managing agent | MCP PROPERTY MANAGEMENT LLC |
| Last registered | 2026-07-28 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $4,698,000 | $2,114,100 |
| 2026 | $4,542,000 | $2,043,900 |
| 2027 | $4,812,000 | $2,165,400 |
The city's market estimate has risen 2% between tax years 2025 and 2027.
| Energy grade (LL33) | D — ENERGY STAR score 1/100, posted at the entrance by law (2022 disclosure cycle) |
| Heating fuel | NATURALGAS |
Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).
Hurricane evacuation zone 4 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 | 39 Av-Dutch Kills — N W · 0.3 mi straight-line (about a 7-minute walk) · station accessibility: none 21 St-Queensbridge — M · 0.3 mi straight-line (about an 8-minute walk) · station accessibility: full |
| Bus | Nearest boarding stop: 21 St / 38 Av — B62 Q66 Q69 · 1,000 ft |
| Citi Bike | 24 St & 38 Ave · 250 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 112 Dutch Kills Middle: I.S. 204 Oliver W. Holmes. 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.
24-16 38 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 |
89 311 service requests from this address in the last three years — 20 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 MCP PROPERTY MANAGEMENT LLC — 25 buildings, 611 units. Grades across the portfolio: A18 · B6 · C1. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 41-06 50 Street | QN | 67 | B |
| 24-16 38 Avenue | QN | 55 | B |
| 47-46 40 Street | QN | 55 | C |
| 42-18 201 Street | QN | 54 | A |
| 85-28 118 Street | QN | 41 | A |
| 29-15 36 Avenue | QN | 39 | A |
| 33-10 Crescent Street | QN | 33 | A |
| 33-02 Crescent Street | QN | 33 | A |
| 32-76 32 Street | QN | 32 | A |
| 89-20 Park Lane South | QN | 31 | A |
| 23-70 29 Street | QN | 24 | A |
| 228 Avenue B | MN | 21 | A |
| 343 East 65 Street | MN | 20 | A |
| 341 East 65 Street | MN | 20 | A |
| 39-09 47 Avenue | QN | 16 | A |
| 639 2 Avenue | MN | 13 | A |
| 589 1 Avenue | MN | 12 | B |
| 41-05 35 Avenue | QN | 8 | B |
| 591 1 Avenue | MN | 6 | A |
| 99-31 42 Avenue | QN | 6 | A |
| 587 1 Avenue | MN | 6 | A |
| 593 1 Avenue | MN | 6 | B |
| 127 East 60 Street | MN | 6 | A |
| 35-21 190 Street | QN | 4 | A |
| 637 2 Avenue | MN | 3 | B |
Most recent mortgage recorded against this lot: $582,073 on 2003-09-17 (lender: Washington Mutual Bank Fa). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2003-09-17 | Mortgage $582,074 — from MC ACROPOLIS, LLC to WASHINGTON MUTUAL BANK FA | $582,074 | |
| 1999-02-01 | Mortgage $1,525,000 — from MC ACROPOLIS, LLC to QUEENS COUNTY SAVINGS BANK | $1,525,000 | |
| 1999-02-01 | Mortgage $125,000 — from MC ACROPOLIS LLC to BELLA, FILOMENA | $125,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 1 | 56 | 0 | 1 | 58 |
| 2018 | 0 | 0 | 0 | 1 | 1 | 2 |
| 2019 | 3 | 0 | 55 | 0 | 1 | 59 |
| 2020 | 0 | 0 | 19 | 0 | 1 | 20 |
| 2021 | 0 | 0 | 52 | 0 | 1 | 53 |
| 2022 | 2 | 1 | 78 | 0 | 1 | 82 |
| 2023 | 0 | 1 | 96 | 0 | 2 | 99 |
| 2024 | 0 | 0 | 102 | 2 | 1 | 105 |
| 2025 | 4 | 3 | 78 | 0 | 1 | 86 |
| 2026 | 0 | 0 | 27 | 0 | 2 | 29 |
Every one of the 1,163 recorded events, 1966–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 11101 · Landlord rankings · How grades work · The map · The Mice Map