3,017 recorded events, 1978–2026, from 17 city data systems. The city's paper trail here is mostly 731 DOB permits, 585 DOB job filings, 532 311 service requests.
Full record, year by year Support this site
| Open HPD violations | 64 total — 1 class C (immediately hazardous), 21 class B, 42 class A. Oldest open since 1986-02-20. |
status snapshot refreshed weekly from HPD records
28 heat or hot-water complaints in the last three years (winter 2023–24: 2 · winter 2024–25: 10 · winter 2025–26: 2 · winter 2026–27: 6). Repeated winter clusters suggest a chronic heating problem.
No bedbug-infested units reported in the last three years of filings.
$1,250 in enforcement penalties imposed (ECB/OATH) in the last three years.
163 service requests in the last three years. Most common: Illegal Parking (48) · Noise (25) · HEAT/HOT WATER (14) · Water System (8) · Food Establishment (7) · Sidewalk Condition (6).
$77,739,233 in permitted construction work filed since 2016 (185 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.
| Registered owner(s) | TRUSTEES OF COLUMBIA UNIVERSITY |
| Head officer | DAVID GREENBERG |
| Managing agent | DONALD SCHLOSSER |
| Last registered | 2026-01-15 |
as filed by the owner in the building's HPD registration
| Tax year | City market value | Assessed value |
|---|---|---|
| 2025 | $342,569,000 | $154,156,050 |
| 2026 | $347,663,000 | $156,448,350 |
| 2027 | $356,240,000 | $160,308,000 |
The city's market estimate has risen 4% between tax years 2025 and 2027.
Tax exemptions on the roll: COLLEGE-UNIVERSITY
| Heating fuel | NO2FUEL |
| Facade (Local Law 11) | SAFE (cycle 10) |
| Restaurant | Cuisine | Grade | Notes |
|---|---|---|---|
| Blue Java Coffee Bar - Butler Library | Coffee/Tea | A | — |
| Cafe East | Asian/Asian Fusion | A | — |
| Ferris Booth Commons - Alfred Lerner Hall | American | A | Mice evidence |
| Joe Coffee Company | Coffee/Tea | A | Mice evidence |
| John Jay Dining Hall | American | A | — |
Report to 311: Food poisoning · Food safety complaint
5 restaurants · 2 with mice evidence · See them on the Mice Map
4 food-poisoning reports to 311 at this address in the last three years (1 with three or more people sick), shared by 5 restaurants
7 Food Establishment complaints to 311 at this address in the last three years (most often: Rodents/Insects/Garbage, Bare Hands in Contact w/ Food, Food Temperature), shared by 5 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.
4 street-flooding or sewer-backup complaints at this address since 2013 (1 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 | 116 St-Columbia University — 1 · 550 ft straight-line (about a 3-minute walk) · station accessibility: none |
| Bus | Nearest boarding stop: Amsterdam Av / W 116 St — M11 · 450 ft |
| Citi Bike | W 113 St & Broadway · 600 ft · station location as of 2026-09-23; live availability |
| School zones (2024–25 map) | Elementary: P.S. 165 Robert E. Simon. 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.
1100 Amsterdam Avenue
| Rats or mice | Rats or mice |
| Food poisoning | Food poisoning |
| Food safety complaint | Food safety complaint |
| Anything else | Anything else |
163 311 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.
| Year | Construction | Enforcement | Housing & tenants | Ownership & money | Health & systems | Total |
|---|---|---|---|---|---|---|
| 2017 | 46 | 21 | 68 | 4 | 10 | 149 |
| 2018 | 62 | 16 | 40 | 1 | 15 | 134 |
| 2019 | 22 | 40 | 27 | 1 | 25 | 115 |
| 2020 | 29 | 2 | 39 | 0 | 22 | 92 |
| 2021 | 41 | 16 | 52 | 0 | 20 | 129 |
| 2022 | 58 | 25 | 65 | 1 | 34 | 183 |
| 2023 | 27 | 12 | 58 | 0 | 33 | 130 |
| 2024 | 13 | 10 | 84 | 0 | 20 | 127 |
| 2025 | 49 | 13 | 57 | 0 | 17 | 136 |
| 2026 | 59 | 11 | 45 | 1 | 62 | 178 |
Every one of the 3,017 recorded events, 1978–2026, 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