1,363 recorded events, 1966–2026, from 17 city data systems. The city's paper trail here is mostly 534 HPD housing violations, 389 HPD complaints, 303 311 service requests.
Full record, year by year Support this site
A meaningful record of code violations or complaints relative to its peers. More recorded distress than 89% 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 177.2. In ZIP 10472, 51% of residential buildings hold an A and 16% 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 | 35 total — 17 class C (immediately hazardous), 15 class B, 3 class A. Oldest open since 2017-01-31. |
| Pending HPD litigation | 1 case(s) pending in housing court |
status snapshot refreshed weekly from HPD records
6 heat or hot-water complaints in the last three years (winter 2024–25: 6).
No bedbug-infested units reported in the last three years of filings.
81 service requests in the last three years. Most common: DOOR/WINDOW (23) · PLUMBING (13) · FLOORING/STAIRS (11) · UNSANITARY CONDITION (9) · PAINT/PLASTER (9) · Noise (4).
$65,230 in permitted construction work filed since 2016 (2 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 (23) |
| 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) | BLACKROCK MGT CO INC. |
| Head officer | GREG TSARSI |
| Managing agent | LANGSAM PROP SERV CORP |
| Last registered | 2025-10-08 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $1,300,000 | $585,000 |
| 2026 | $1,408,000 | $633,600 |
| 2027 | $1,414,000 | $636,300 |
The city's market estimate has risen 9% between tax years 2025 and 2027.
| Heating fuel | NATURALGAS |
Not in the FEMA 1%-annual-chance floodplain (2015 preliminary maps).
Hurricane evacuation zone 6 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 | Castle Hill Av — 6 · 0.4 mi straight-line (about a 10-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Cross Bronx Expwy Service Rd / Castle Hill Av — Q44-SBS · 800 ft · Select Bus Service |
| School zones (2024–25 map) | Elementary: P.S. 036 Unionport Middle: Pugsley Preparatory Academy. 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.
2105 Blackrock 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 |
81 311 service requests from this address in the last three years — 3 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 LANGSAM PROPERTY SERVICES CORP — 215 buildings, 8,744 units. Grades across the portfolio: A42 · B80 · C57 · D26 · F9. See the whole portfolio
showing 60 of 215 buildings
Most recent mortgage recorded against this lot: $205,990 on 2003-05-22 (lender: New York Community Bank Successor To Cfs 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 |
|---|---|---|---|
| 2003-05-22 | Mortgage $205,991 — from BLACK ROCK MANAGEMENT CO., INC. to NEW YORK COMMUNITY BANK SUCCESSOR TO CFS | $205,991 | |
| 1987-07-17 | Mortgage $20,000 — from BLACKROCK MANAGEMENTCO. to COLUMBIA FEDERAL SAVBNK | $20,000 | |
| 1986-09-26 | Mortgage $151,340 — from BLACKROCK MANAGEMENTCO. to KOFMAN, MIKHAIL | $151,340 | |
| 1986-06-05 | Mortgage $182,000 — from LITSKY, HYMAN to MELROSE CREDIT UNION | $182,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 2 | 112 | 0 | 2 | 116 |
| 2018 | 2 | 2 | 83 | 0 | 12 | 99 |
| 2019 | 1 | 0 | 163 | 0 | 6 | 170 |
| 2020 | 0 | 0 | 92 | 0 | 1 | 93 |
| 2021 | 0 | 0 | 51 | 1 | 1 | 53 |
| 2022 | 2 | 2 | 26 | 0 | 4 | 34 |
| 2023 | 0 | 0 | 47 | 0 | 1 | 48 |
| 2024 | 0 | 0 | 80 | 0 | 2 | 82 |
| 2025 | 0 | 1 | 89 | 0 | 1 | 91 |
| 2026 | 0 | 0 | 83 | 0 | 1 | 84 |
Every one of the 1,363 recorded events, 1966–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10472 · Landlord rankings · How grades work · The map · The Mice Map