331 recorded events, 1972–2026, from 11 city data systems. The city's paper trail here is mostly 187 311 service requests, 42 ACRIS deeds & mortgages, 42 DOB permits.
Full record, year by year Support this site
No heat or hot-water complaints in the last three years.
No bedbug-infested units reported in the last three years of filings.
43 service requests in the last three years. Most common: Vendor Enforcement (19) · Consumer Complaint (4) · For Hire Vehicle Complaint (4) · Food Establishment (3) · Panhandling (3) · Encampment (2).
$70,220 in permitted construction work filed since 2016 (7 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.
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $4,693,000 | $2,111,850 |
| 2026 | $5,046,000 | $2,270,700 |
| 2027 | $5,120,000 | $2,304,000 |
The city's market estimate has risen 9% between tax years 2025 and 2027.
| Restaurant | Cuisine | Grade | Notes |
|---|---|---|---|
| Skylight Diner | American | A | — |
Report to 311: Food poisoning · Food safety complaint
1 restaurant · 0 with mice evidence · See them on the Mice Map
3 Food Establishment complaints to 311 at this address in the last three years (most often: No Permit or License, Pet/Animal, Rodents/Insects/Garbage) · 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.
4 street-flooding or sewer-backup complaints at this address since 2017 (0 in the last three years).
Sources: FEMA flood maps (coastal), NYC DEP Stormwater Flood Maps (cloudburst), NYC hurricane evacuation zones, and 311 records for this address.
| Subway | 34 St-Penn Station — A C E · 900 ft straight-line (about a 4-minute walk) · station accessibility: full 34 St-Hudson Yards — 7 · 0.2 mi straight-line (about a 6-minute walk) · station accessibility: full |
| Bus | Nearest boarding stop: 9 Av / W 34 St — M11 · 50 ft |
| Citi Bike | 9 Ave & W 33 St · 250 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 033 Chelsea Prep Middle: M.S. 297. 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.
423 9 Avenue
| Rats or mice | Rats or mice |
| Food poisoning | Food poisoning |
| Food safety complaint | Food safety complaint |
| Anything else | Anything else |
43 311 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.
Most recent mortgage recorded against this lot: $3,000,000 on 2011-07-06 (lender: Alma 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 |
|---|---|---|---|
| 2022-06-29 | Agreement $1,800,000 — from 402 PRASINOS LLC to ALMA BANK | $1,800,000 | |
| 2011-07-06 | Mortgage $3,000,000 — from 402 PRASINOS LLC to ALMA BANK | $3,000,000 | |
| 2011-07-06 | AL&R $3,000,000 — from 402 PRASINOS LLC to ALMA BANK | $3,000,000 | |
| 2003-04-22 | Mortgage $600,000 — from PAPAIOANNOU, HELEN; PAPAIOANNOU, JAMES to MARATHON NATIONAL BANK OF NEW YORK | $600,000 | |
| 1993-08-20 | Mortgage $475,000 — from PAPAIOANNOU, JAMES; PAPAIOANNOU, HELEN to MASPETH FEDL S&L ASSN | $475,000 | |
| 1988-10-17 | Mortgage $265,235 — from 423 NINTH ASSOCS to HOME SVGS BK | $265,235 | |
| 1988-10-17 | Mortgage $500,000 — from 423 NINTH ASSOCS to HOME SVGS BK | $500,000 | |
| 1983-06-17 | Mortgage $200,000 — from 423 NINTH ASSOCIATES to GOLDMAN, SOL | $200,000 | |
| 1983-06-01 | Mortgage $575,000 — from 423 NINTH ASSOCIATES to 404 W 34 REALTY CO. | $575,000 |
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 0 | 1 | 13 | 0 | 2 | 16 |
| 2018 | 2 | 0 | 9 | 0 | 1 | 12 |
| 2019 | 4 | 0 | 9 | 0 | 1 | 14 |
| 2020 | 4 | 0 | 33 | 0 | 0 | 37 |
| 2021 | 0 | 1 | 21 | 0 | 0 | 22 |
| 2022 | 0 | 3 | 19 | 2 | 0 | 24 |
| 2023 | 1 | 1 | 16 | 0 | 0 | 18 |
| 2024 | 0 | 0 | 12 | 0 | 2 | 14 |
| 2025 | 0 | 6 | 24 | 0 | 2 | 32 |
| 2026 | 0 | 0 | 5 | 0 | 2 | 7 |
Every one of the 331 recorded events, 1972–2026, is laid out year by year in the full report (print-ready).
Explore: ZIP 10001 · Landlord rankings · How grades work · The map · The Mice Map