No signs shall be permitted on private property except as set forth in this section. Permitted signs include: (A) political or free-speech signs, (B) address numbers, (C) construction site signs as set forth below, (D) real estate signs, (E) official noncommercial items such as flags of national, state, or local governments, (F) historical plaques, memorials, building cornerstones and date-constructed stones none of which exceed four square feet in area, (G) small signs otherwise in compliance with the duration, number and size requirements of this chapter that display functional information such as prohibition of trespassing or soliciting, video surveillance warnings, or similar informational signs, and identification signs at entrances of properties located in the PFS (public facilities and schools district) zone not to exceed one hundred fifty square feet in size and approved by the town planner for compliance with the provisions of this chapter. Incidental signs such as those displayed on licensed construction vehicles, construction trailers, portable toilets, and construction fences, and internal signs on premises in PFS districts not visible from the adjacent public right-of-way, or similar applications are also permitted. (Ord. 611 § 1 (part), 2014)