There are a number of signs that are specifically prohibited by ordinance. Some of the signs listed below may be allowed with a temporary special event sign permit:
- Bench signs
- Bus Shelter signs
- Flying signs such as blimps or kites
- Home occupation signs
- Inflatable signs, including balloons
- Motion signs
- Odor (signs which may emit any odor, noise, or visible matter other than light)
- Off-site signs
- Painted signs (signs painted directly on a building, fence, tree, stone or similar object)
- Pennants
- Pornographic signs
- Portable signs
- Projecting signs
- Signs in the right-of-way
- Roof signs
- Signs bearing misleading or false information, or information inconsistent with the zoning or other regulations
- Signs located on utility poles
- Vehicle signs (a vehicle may not be used as a sign or as the base for a sign where the primary purpose of the vehicle is to be used as a sign)