378 recorded events, 1967–2026, from 18 city data systems. The city's paper trail here is mostly 105 311 service requests, 91 HPD housing violations, 77 HPD complaints.
Full record, year by year Support this site
A meaningful record of code violations or complaints relative to its peers. More recorded distress than 92% 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 232.5. In ZIP 10031, 40% of residential buildings hold an A and 14% 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 | 41 total — 9 class C (immediately hazardous), 29 class B, 3 class A. Oldest open since 2016-10-18. |
status snapshot refreshed weekly from HPD records
5 heat or hot-water complaints in the last three years (winter 2023–24: 3 · winter 2025–26: 2). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
$18,750 in enforcement penalties imposed (ECB/OATH) in the last three years.
46 service requests in the last three years. Most common: Noise (12) · UNSANITARY CONDITION (8) · ELECTRIC (6) · APPLIANCE (4) · GENERAL (4) · PAINT/PLASTER (3).
$30,000 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 (1910) |
| Yes | Six or more residential units (12) |
| 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) | 509 W. 142ND ST HDFC |
| Head officer | GENEVIEVE OUTLAW |
| Managing agent | WEST HARLEM GROUP ASSISTANCE, INC |
| Last registered | 2025-07-18 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $2,105,000 | $947,250 |
| 2026 | $2,411,000 | $1,084,950 |
| 2027 | $2,486,000 | $1,118,700 |
The city's market estimate has risen 18% between tax years 2025 and 2027.
For property tax, the Department of Finance values this co-op as if it were a rental building. Its 2021 estimate: gross income $548,721 a year ($30.72 per sq ft), operating expenses $304,368 ($17.04 per sq ft), net operating income $244,352. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
| Heating fuel | NO2FUEL |
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 | 145 St — 1 · 850 ft straight-line (about a 4-minute walk) · station accessibility: none 145 St — A B C D · 0.3 mi straight-line (about a 7-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Amsterdam Av / W 143 St — M100 M101 · 300 ft |
| Citi Bike | Hamilton Pl & W 140 St · 600 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 192 Jacob H. Schiff Middle: Harold O. Levy 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.
509 West 142 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 |
46 311 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 WEST HARLEM GROUP ASSISTANCE, INC. — 74 buildings, 1,080 units. Grades across the portfolio: A14 · B23 · C25 · D12. See the whole portfolio
showing 60 of 74 buildings
Most recent mortgage recorded against this lot: $173,538 on 2006-06-12 (lender: The City Of New York). Face amount at recording — it may have since been paid down, refinanced or satisfied. View the recorded document.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2020-06-29 | RPTT&RET $50,202 — from 509 WEST 142ND ST HOUSING DEVELOPMENT FU to THOMAS, BENJA; THOMAS, LUCIUS JR | $50,202 | |
| 2020-06-23 | Sold for $50,202 | $50,202 | $4,184 |
| 2006-06-12 | Mortgage $173,538 — from 509 WEST 142 STREET HOUSING DEVELOPMENT to THE CITY OF NEW YORK | $173,538 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 4 | 5 | 0 | 2 | 11 |
| 2018 | 0 | 0 | 0 | 0 | 2 | 2 |
| 2019 | 0 | 0 | 4 | 0 | 2 | 6 |
| 2020 | 0 | 2 | 12 | 2 | 3 | 19 |
| 2021 | 0 | 0 | 10 | 0 | 1 | 11 |
| 2022 | 2 | 8 | 39 | 0 | 3 | 52 |
| 2023 | 0 | 1 | 49 | 0 | 3 | 53 |
| 2024 | 0 | 0 | 4 | 0 | 4 | 8 |
| 2025 | 0 | 1 | 7 | 0 | 3 | 11 |
| 2026 | 0 | 3 | 84 | 0 | 3 | 90 |
Every one of the 378 recorded events, 1967–2026, is laid out year by year in the full report (print-ready).
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