503 recorded events, 1981–2026, from 19 city data systems. The city's paper trail here is mostly 77 DOB permits, 69 311 service requests, 65 DOB job filings.
Full record, year by year Support this site
The city's published records show little recorded distress here in the last three years. More recorded distress than 55% 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 30.7. In ZIP 10027, 43% of residential buildings hold an A and 14% 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 | 47 total — 8 class C (immediately hazardous), 38 class B, 1 class A. Oldest open since 1989-03-21. |
status snapshot refreshed weekly from HPD records
2 heat or hot-water complaints in the last three years (winter 2024–25: 2).
No bedbug-infested units reported in the last three years of filings.
$1,874 in enforcement penalties imposed (ECB/OATH) in the last three years.
24 service requests in the last three years. Most common: Illegal Parking (5) · PAINT/PLASTER (4) · UNSANITARY CONDITION (3) · APPLIANCE (2) · WATER LEAK (2) · Snow or Ice (2).
$1,224,750 in permitted construction work filed since 2016 (17 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 (1920) |
| Yes | Six or more residential units (25) |
| 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) | 431 WEST 121ST STREET HDFC |
| Head officer | VASSILIKI KAMPITI |
| Managing agent | MERLOT MANAGEMENT |
| Last registered | 2025-09-19 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $2,766,000 | $1,244,700 |
| 2026 | $2,748,000 | $1,236,600 |
| 2027 | $2,825,000 | $1,271,250 |
The city's market estimate has risen 2% 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 2022 estimate: gross income $786,119 a year ($46.15 per sq ft), operating expenses $432,493 ($25.39 per sq ft), net operating income $353,626. These are the city's estimates from comparable rentals, not the building's actual budget, rents or maintenance charges.
| Heating fuel | NATURALGAS |
| Facade (Local Law 11) | SWARMP — "Safe With A Repair and Maintenance Program": known facade conditions that must be repaired (cycle 9) |
| Restaurant | Cuisine | Grade | Notes |
|---|---|---|---|
| Picky Barista | Coffee/Tea | Not yet graded | — |
Report to 311: Food poisoning · Food safety complaint
1 restaurant · 0 with mice evidence · See them on the Mice Map
1 Food Establishment complaint to 311 at this address in the last three years (most often: Food Contaminated) · complaints filed by the public; DOHMH investigates, outcomes aren't published.
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 | 125 St — A B C D · 0.3 mi straight-line (about an 8-minute walk) · station accessibility: full 116 St-Columbia University — 1 · 0.3 mi straight-line (about an 8-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Amsterdam Av / W 120 St — M11 M60-SBS · 200 ft · Select Bus Service |
| Citi Bike | Morningside Dr & Amsterdam Ave · 300 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: 36 ,125. 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.
431 West 121 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 |
| Food poisoning | Food poisoning |
| Food safety complaint | Food safety complaint |
| Anything else | Anything else |
24 311 service requests from this address in the last three years — 1 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 MERLOT MANAGEMENT — 21 buildings, 308 units. Grades across the portfolio: A19 · B2. See the whole portfolio
| Building | Borough | Units | Grade |
|---|---|---|---|
| 63 Cooper Square | MN | 36 | A |
| 431 West 121 Street | MN | 25 | A |
| 204 West 78 Street | MN | 20 | A |
| 522 West 50 Street | MN | 20 | A |
| 72 East 3 Street | MN | 20 | A |
| 520 West 50 Street | MN | 20 | A |
| 234 West 16 Street | MN | 20 | A |
| 19 West 105 Street | MN | 18 | A |
| 2373 Adam C Powell Blvd | MN | 17 | A |
| 14 East 96 Street | MN | 17 | A |
| 214 East 9 Street | MN | 14 | B |
| 529 West 147 Street | MN | 12 | B |
| 40 East 62 Street | MN | 11 | A |
| 350 West 48 Street | MN | 10 | A |
| 348 West 48 Street | MN | 10 | A |
| 471 Washington Street | MN | 9 | A |
| 762 10 Avenue | MN | 8 | A |
| 36 West 13 Street | MN | 7 | A |
| 91 East End Avenue | MN | 6 | A |
| 251 West 123 Street | MN | 5 | A |
| 164 Eldridge Street | MN | 3 | A |
Most recent mortgage recorded against this lot: $250,000 on 2026-06-05 (lender: National Consumer Cooperative 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 |
|---|---|---|---|
| 2026-07-09 | RPTT&RET $277,750 — from EDENS, SUSAN to LASCARI, ANA | $277,750 | |
| 2026-06-23 | Sold for $277,750 | $277,750 | $11,110 |
| 2026-06-05 | AL&R $250,000 — from 431 WEST 121 STREET HOUSING DEVELOPMENT ; 431 WEST 121ST STREET HOUSING DEVELOPMEN to NATIONAL CONSUMER COOPERATIVE BANK | $250,000 | |
| 2026-06-05 | AL&R $1,500,000 — from 431 WEST 121ST STREET HOUSING DEVELOPMEN; 431 WEST 121 STREET HOUSING DEVELOPMENT to NATIONAL CONSUMER COOPERATIVE BANK | $1,500,000 | |
| 2026-06-05 | Mortgage $1,500,000 — from 431 WEST 121 STREET HOUSING DEVELOPMENT ; 431 WEST 121ST STREET HOUSING DEVELOPMEN to NATIONAL CONSUMER COOPERATIVE BANK | $1,500,000 | |
| 2026-06-05 | Mortgage $250,000 — from 431 WEST 121ST STREET HOUSING DEVELOPMEN; 431 WEST 121 STREET HOUSING DEVELOPMENT to NATIONAL CONSUMER COOPERATIVE BANK | $250,000 | |
| 2025-07-08 | RPTT&RET $390,000 — from RONSON, JORDAN to MORIMOTO, MARI; ZHU, JINGSONG | $390,000 | |
| 2025-06-24 | Sold for $390,000 | $390,000 | $15,600 |
| 2025-04-28 | RPTT&RET $500,000 — from TARBOUS, HERBERT L to YEH, JOHN R; YEH, REBECCA R | $500,000 | |
| 2025-04-17 | Sold for $500,000 | $500,000 | $20,000 |
| 2024-02-28 | RPTT $405,000 — from ANTHONY STEWART, EXECUTOR ESTATE OF LYNN; RONALD SINGER,ADMIN ESTATE OFJANICE MERR to PLEVY, RANDI F | $405,000 | |
| 2023-12-26 | Sold for $405,000 | $405,000 | $16,200 |
| 2022-09-15 | RPTT&RET $712,500 — from PAN, RICHARD; BAKER, AMANDA to BAKER, AMANDA | $712,500 | |
| 2022-09-01 | Sold for $712,500 | $712,500 | $28,500 |
| 2022-04-14 | RPTT&RET $350,000 — from GAILLARD, EDWARD to GINDLER, MARIA | $350,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 0 | 4 | 13 | 2 | 19 |
| 2018 | 0 | 0 | 3 | 0 | 3 | 6 |
| 2019 | 0 | 0 | 6 | 2 | 3 | 11 |
| 2020 | 0 | 0 | 2 | 0 | 2 | 4 |
| 2021 | 0 | 0 | 7 | 2 | 2 | 11 |
| 2022 | 5 | 2 | 5 | 4 | 3 | 19 |
| 2023 | 13 | 7 | 1 | 1 | 4 | 26 |
| 2024 | 1 | 3 | 14 | 1 | 7 | 26 |
| 2025 | 3 | 1 | 30 | 4 | 4 | 42 |
| 2026 | 6 | 0 | 7 | 16 | 3 | 32 |
Every one of the 503 recorded events, 1981–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10027 · Landlord rankings · How grades work · The map · The Mice Map