20-100 Purpose of District:  The Office-1 District provides for low-rise office and professional service development. The Office-1 District is appropriately located adjacent to residential districts and may be used as a transition or buffer between residential uses and more intensive non-residential activity. District regulations are designed to ensure compatibility with residential development by establishing maximum height, lot coverage and setback requirements.
 
20-200 Permitted Uses:  Any use indicated as permitted in this district on the Schedule of Uses, Section 10-200.
 
20-300 Lot Requirements:  No requirements for minimum lot area, depth, or width are set forth.
 
20-400 Yard (Setback) Requirements
 
20-410 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.
 
20-420 Yards Adjacent to Streets
 
20-421 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.
 
20-422 Minimum Front Yards:  25 feet
 
20-423 Minimum Side Yards:  20 feet
 
20-424 Minimum Rear Yards:  25 feet
 
20-430 Yards Not Adjacent to Streets
 
20-431 Minimum Side and Rear Yards:  No side or rear yard is required except where a permitted use abuts a residential district boundary line, in which event a minimum twenty (20) feet side or rear yard shall be provided on the side or rear adjacent to such residential district.
 
20-500 Maximum Lot Coverage: No maximum lot coverage is set forth.
 
20-510 Maximum Floor Area Ratio: No floor area ratio is set forth.
 
20-600 Height:  Buildings or structures or parts thereof shall not be erected, altered or placed so as to exceed a maximum height of thirty (30) feet.
 
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.