The following items are prohibited in all Columbia owned and operated residence halls and brownstones. Illegal items or ones considered dangerous will be confiscated immediately.
- Air conditioners (both window and portable units)
- Banners, flags, nets, holiday lighting, cable wire, and hangers installed on the ceiling in such a way as to interfere with the operation of any fire safety equipment (i.e. sprinkler heads or smoke detectors).
- Candles, even if the item is strictly decorative
- Cut trees, wreaths, and all other “live” decorations
- Deep fryers
- Electronic cigarettes
- Extension cords (only surge protectors are allowed)
- Fog Machines
- Halogen lamps
- Hot plates
- Hover boards, self-propelled scooters, and similar devices
- Illegal drugs and/or paraphernalia
- Incense, even if item is strictly decorative
- Immersion coils
- Non-flame-resistant decorations hung on room/suite doors or hallway bulletin boards.
- Pets (only fish in a half-gallon or less tank are allowed)
- Signs, posters, lights, or decorations on the exterior of buildings or attached to windowpanes.
- Space heaters
- Thermometers containing mercury*
- Water beds
- Weapons (see Weapons and Fireworks for more specific information)
The following items are only allowed in Suite/Apartment or corridor-style kitchens. These items may not be used or stored in bedrooms or other common area lounges:
- Coffeemakers/Electric kettles
- Countertop Grills (George Foreman-style grills and/or panini makers)
- Knives (bread knives, a cooking set)
- Microwave ovens (Microfridge Rentals may be stored in an individual room)
- Refrigerators (volume for refrigerators in individual rooms must not exceed 2.5 cubic feet)
- Rice cookers
- Toasters/Toaster ovens
Please note the University assumes no responsibility for items removed from common area and/or kitchen lounges.
*New York State Law prohibit the sale of mercury-containing fever thermometers. Accordingly, Columbia University Housing prohibits students from possessing these mercury-containing devices in their campus residence. To facilitate the removal of these hazardous, mercury-containing thermometer from University student residences, any student in possession of an intact mercury-containing temperature thermometer may exchange it for a digital thermometer, for free, at Student Health Services. The mercury thermometer must be transported in a sealed bag and preferably inside a rigid container.