229 recorded events, 1981–2026, from 17 city data systems. The city's paper trail here is mostly 93 311 service requests, 27 DOB violations, 19 boiler inspections.
Full record, year by year Support this site
A modest record — below the level that usually signals systemic problems. More recorded distress than 81% 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 87.3. In ZIP 10470, 78% of residential buildings hold an A and 6% 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 | 2 total — 1 class C (immediately hazardous), 0 class B, 1 class A. Oldest open since 2005-06-02. |
status snapshot refreshed weekly from HPD records
No heat or hot-water complaints in the last three years.
No bedbug-infested units reported in the last three years of filings.
$2,812 in enforcement penalties imposed (ECB/OATH) in the last three years.
37 service requests in the last three years. Most common: Illegal Parking (18) · General Construction/Plumbing (4) · Blocked Driveway (2) · Food Establishment (2) · Abandoned Vehicle (1) · Derelict Vehicles (1).
$86,366 in permitted construction work filed since 2016 (9 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 (6) |
| 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).
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $939,200 | $422,640 |
| 2026 | $1,127,000 | $507,150 |
| 2027 | $1,352,000 | $608,400 |
The city's market estimate has risen 44% between tax years 2025 and 2027.
| Heating fuel | NATURALGAS |
| Restaurant | Cuisine | Grade | Notes |
|---|---|---|---|
| Greenland Deli & Grocery | Sandwiches | Not yet graded | — |
| The Paddock | Irish | A | — |
Report to 311: Food poisoning · Food safety complaint
2 restaurants · 0 with mice evidence · See them on the Mice Map
2 Food Establishment complaints to 311 at this address in the last three years (most often: Letter Grading, No Permit or License), shared by 2 restaurants · 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 | 233 St — 2 5 · 0.7 mi straight-line (about a 17-minute walk) · station accessibility: full |
| Bus | Nearest boarding stop: Katonah Av / E 237 St — Bx31 Bx34 BxM4 · 100 ft |
| School zones (2024–25 map) | Elementary: P.S. 019 Judith K. Weiss Middle: P.S. 019 Judith K. Weiss. 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.
4311 Katonah 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 |
| Food poisoning | Food poisoning |
| Food safety complaint | Food safety complaint |
| Anything else | Anything else |
37 311 service requests from this address in the last three years.
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.
| Date | Record | Amount | Per res. unit |
|---|---|---|---|
| 2024-08-02 | Deed $1,800,000 — from 4311-13-15 REALTY CORP. to SAM HOLDING NY LLC | $1,800,000 | |
| 2024-07-29 | Sold for $1,800,000 | $1,800,000 | $300,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 1 | 2 | 1 | 0 | 3 | 7 |
| 2018 | 0 | 0 | 2 | 0 | 3 | 5 |
| 2019 | 0 | 0 | 4 | 0 | 2 | 6 |
| 2020 | 0 | 0 | 6 | 0 | 1 | 7 |
| 2021 | 0 | 0 | 9 | 0 | 2 | 11 |
| 2022 | 0 | 0 | 7 | 0 | 3 | 10 |
| 2023 | 5 | 5 | 9 | 0 | 5 | 24 |
| 2024 | 1 | 3 | 16 | 2 | 2 | 24 |
| 2025 | 0 | 2 | 12 | 0 | 4 | 18 |
| 2026 | 6 | 4 | 9 | 0 | 2 | 21 |
Every one of the 229 recorded events, 1981–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10470 · Landlord rankings · How grades work · The map · The Mice Map