Permitted accessory uses: uses clearly incident and customarily subordinate to planned adult communities and the dwelling units permitted therein, including private garages having not more than two spaces, buildings for tools and equipment not exceeding 150 square feet in area, private tennis courts, private swimming pools, fences, and such signs as are permitted in the zoning district as regulated therein. In the CR Districts, golf courses, riding stables, outpatient health care facilities, retail sales, fire stations, and buildings for administration, maintenance and security shall also be permitted.