1,392 recorded events, 1975–2026, from 18 city data systems. The city's paper trail here is mostly 461 311 service requests, 446 HPD complaints, 298 HPD housing violations.
Full record, year by year Support this site
A meaningful record of code violations or complaints relative to its peers. More recorded distress than 87% 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 143.8. In ZIP 10457, 34% of residential buildings hold an A and 24% grade D or F. How grades work
Among 46,798 6-24-unit residential buildings citywide · left is less recorded distress, right is more
No current HPD flags in the latest weekly snapshot: no open violations, no pending litigation, no active vacate orders, and not in the Alternative Enforcement Program.
10 heat or hot-water complaints in the last three years (winter 2023–24: 10).
No bedbug-infested units reported in the last three years of filings.
$1,875 in enforcement penalties imposed (ECB/OATH) in the last three years.
26 service requests in the last three years. Most common: PLUMBING (6) · HEAT/HOT WATER (5) · APPLIANCE (4) · UNSANITARY CONDITION (3) · Dirty Condition (2) · ELECTRIC (1).
$121,775 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 (1931) |
| 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) | 4173 THIRD AVE., LLC |
| Head officer | MARY OSULLIVAN |
| Managing agent | LANGSAM PROP. SER. CORP. |
| Last registered | 2025-11-14 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $964,000 | $433,800 |
| 2026 | $1,157,000 | $520,650 |
| 2027 | $1,388,000 | $624,600 |
The city's market estimate has risen 44% between tax years 2025 and 2027.
| Heating fuel | NATURALGAS |
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 | Tremont Av — B D · 0.5 mi straight-line (about a 14-minute walk) · station accessibility: full |
| Bus | Nearest boarding stop: 3 Av / E Tremont Av — Bx15 · 300 ft |
| Citi Bike | 3 Ave & E Tremont Ave · 350 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 058. 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.
4173 3 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 |
26 311 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 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: $1,610,000 on 2019-01-14 (lender: Ponce 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 |
|---|---|---|---|
| 2019-01-14 | Mortgage $1,610,000 — from 4173 THIRD AVE. LLC to PONCE BANK | $1,610,000 | |
| 2019-01-14 | AL&R $1,610,000 — from 4173 THIRD AVE. LLC to PONCE BANK | $1,610,000 | |
| 2013-09-27 | Deed $50,000 — from DURSO, ALICE; ESTATE OF VINCENT DURSO; DR. LISA DURSO, AS TEMPORARY ADMINISTRAT to 4173 THIRD AVE. LLC | $50,000 | |
| 1982-06-16 | Mortgage $15,000 — from DURSO, VINCENT; DURSO, ALICE to BREDA, MATILDA; DULISSE, ANNA; MYSKOWSKI, LEO; MYSKOWSKI, ARTHUR; MARINO, IMELDA; MARINO, | $15,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 5 | 3 | 35 | 0 | 4 | 47 |
| 2018 | 0 | 5 | 65 | 0 | 1 | 71 |
| 2019 | 0 | 2 | 84 | 3 | 0 | 89 |
| 2020 | 0 | 0 | 71 | 0 | 5 | 76 |
| 2021 | 0 | 3 | 44 | 0 | 2 | 49 |
| 2022 | 0 | 1 | 138 | 0 | 5 | 144 |
| 2023 | 0 | 5 | 138 | 0 | 1 | 144 |
| 2024 | 2 | 3 | 25 | 0 | 1 | 31 |
| 2025 | 0 | 1 | 3 | 0 | 10 | 14 |
| 2026 | 0 | 0 | 2 | 0 | 2 | 4 |
Every one of the 1,392 recorded events, 1975–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10457 · Landlord rankings · How grades work · The map · The Mice Map