No political or campaign signs shall be permitted except in conformity with the following regulations:
A. R (Residential District). In residential districts, there are permitted stationary, unlighted, temporary signs on behalf of candidates for public office or measures on an election ballot, provided that:
2. Any such sign shall not be more than twenty (20) square feet in area and, if detached, not more than six (6) feet in height.
3. No such sign shall be located closer than five (5) feet to any property line.
B. AG (Agricultural), C (Commercial), MU (Mixed Use), BP (Business Park), and I (Industrial) Districts. In any AG, C, MU, BP or I Districts, there are permitted one (1) or more political or campaign signs on a parcel of land on behalf of candidates for public office or measures on an election ballot, provided that:
4. Signs on behalf of political candidates who are successful in primary elections may be retained for general election purposes until fifteen (15) days following the date of such general election; provided that they are maintained in good condition and are removed at such time.
C. Removal of signs. It shall be the responsibility of the property owner to remove the political sign within fifteen (15) days after the sign has served its purpose. If such signs are not removed within fifteen (15) days, they may be abated by the City. It is unlawful to erect a sign in conflict with this Chapter.