21-100 Purpose of District:  The Office-2 District provides for general office and professional service uses. This district also accommodates limited support services for office activities such as restaurants, personal services and specialized retail. The Office-2 District allows low-, mid-, and high-rise office development and is generally not appropriate adjacent to residential districts.
 
21-200 Permitted Uses:  Any use indicated as permitted in this district on the Schedule of Uses, Section 10-200.
 
21-300 Lot Requirements:  No requirements for minimum lot area, depth, or width are set forth.
 
21-400 Yard (Setback) Requirements
 
21-410 All portions of main buildings or structures shall be set back from all property lines to provide the following minimum yards. Every part of a required yard shall be open and unobstructed as set forth in Section 11 except that an ordinary projection of window sills, belt courses and other similar architectural features may not project more than one (1) foot into required yards. Ordinary projections of cornices, roof overhangs, unsupported canopies and other architectural features may not project more than five (5) feet into required yards.
 
21-420 Yards and Setbacks Adjacent to Streets
 
21-421 Yards adjacent to streets shall be measured from the existing right-of-way line of adjacent streets or the proposed right-of-way line of adjacent streets as provided for on the approved current thoroughfare plan, whichever requires the greater setback.
 
21-422 Minimum Front and Rear Yards For the Lower Two (2) Stories:  25 feet
 
21-423 Minimum Side Yards For the Lower Two (2) Stories:  20 feet
 
21-424 Minimum Setbacks Adjacent to Streets for Portions of Buildings Above Two (2) Stories:  For the portions of any building above two (2) stories, the horizontal distance from any point on the building above two (2) stories to any residential district line shall be not less than twice the height of the highest point on the building above grade, or shall be not less than one-half (½) the height of the highest point on the building above grade from the nearest property line, whichever is greater. No front setback shall be required to be more than 100 feet and no side or rear setback in excess of seventy-five (75) feet shall be required.
 
21-430 Yards and Setbacks Not Adjacent to Streets
 
21-431 Side and Rear Yards and Setbacks:  No side or rear yard is required for the lower two (2) stories except where a permitted use abuts a residential district boundary line, in which event a minimum of twenty (20) feet side or rear yard shall be provided on the side or rear adjacent to such residential district. For the portions of any building above two (2) stories, the horizontal distance from any point on the building above two (2) stories to any residential district line shall be not less than twice the height of the highest point on the building above grade, or shall be not less than one-half (½) of the height of the highest point on the building above grade from the nearest property line, whichever is greater. No setback shall be required in excess of 100 feet.
 
21-500 Maximum Lot Coverage:  No maximum lot coverage is set forth.
 
21-510 Maximum Floor Area Ratio:  No floor area ratio is set forth.
 
21-600 Height:  Buildings or structures may be erected to any legal height, subject to provisions of Sections 21-424 and 21-431.
 
General Exceptions:  The height regulations contained in the District Regulations shall not apply to spires, belfries, cupolas, television antennas, water tanks, ventilators, chimneys, solar screens or collectors, skylights, elevator towers, cooling towers, mechanical equipment rooms (not exceeding fifty (50) percent of a typical floor area) or other appurtenances usually required to be placed above the roof level and not intended for human occupancy except as noted in various districts.