Regulations for fences in other residential zoning districts (AP, AR, FA, FB, FC, MH, RC, RD, RR, and RR1) and for preexisting, nonconforming residential uses in all other zones are as follows:
1. Fences shall be no closer than four feet to the street line.
2. No fences greater than four feet in height may be erected between the street line and the front yard setback.
3. Front yard fences shall not block visibility by more than 50%.
4. Fences not exceeding six feet in height above the ground level may be erected from the building setback line to the side property lines and from the building setback line to the rear of the property and along the rear yard.
5. A tennis or basketball court area, located in a rear yard area only, may be surrounded by a chain-link fence a maximum of 15 feet in height; said fence is to be set back from any lot line the required distance required for accessory buildings in its zoning district.