The following shall not be considered to be obstructions when located in the required yards specified:

1. In Any Yard.
   1. Marquees and awnings attached to the principal building;
   2. overhanging roof eaves;
   3. chimneys, if they do not exceed twenty (20) percent of the depth of the required yard;
   4. dog house for single dog;
   5. ornamental light standards;
   6. flag poles;
   7. arbor, trellises, trees and shrubs;
   8. coin operated telephones;
   9. permitted signs;
   10. solar energy systems provided they do not exceed twenty (20) percent of the required yard;
   11. seasonal fruit and vegetable stands;
   12. open porches and stoops;
   13. terraces and decks provided they are at least two (2) feet from the adjoining property line(s);
2. On corner lots, obstructions shall not be higher than thirty (30) inches above curb level, if located in that portion of a required front yard or side yard situated within twenty (20) feet of the lot corner formed by the intersection of any two (2) street lines;
3. In Side Yards. Open accessory off-street parking spaces, except in a side yard abutting a street (does not include a carport); farm accessory buildings or structures in the agricultural districts; television antennas, and noncommercial radio towers and antennas;
4. In Rear Yards.
   1. Enclosed, attached or detached off-street parking spaces (refer to Chapter 17.36 on accessory buildings or structures);
   2. open off-street parking spaces;
   3. farm accessory buildings or structures;
   4. tool rooms;
   5. accessory structures customarily accessory to the principal use;
   6. balconies and breezeways;
   7. noncommercial television and radio towers and antennas.

(Res. 1-1 §3 (D), November 16, 1982)