21A.24.180: RO RESIDENTIAL/OFFICE DISTRICT:
   A.   Purpose Statement: The RO Residential/Office District is intended to provide a suitable environment for a combination of residential dwellings and office use. This district is appropriate in areas of the City where the applicable Master Plans support high density mixed use development. The standards encourage the conversion of historic structures to office uses for the purpose of preserving the structure and promote new development that is appropriately scaled and compatible with the surrounding neighborhood.
   B.   Uses: Uses in the RO Residential/Office District, as specified in section 21A.33.020, "Table Of Permitted And Conditional Uses For Residential Districts", of this title are permitted subject to the general provisions set forth in section 21A.24.010 of this chapter and this section.
   C.   Minimum Lot Area And Lot Width: The minimum lot areas and lot widths required in this district are as follows:
Land Use
Minimum Lot Area
Minimum Lot Width
Land Use
Minimum Lot Area
Minimum Lot Width
Multi-family dwellings
No minimum
100 feet
Municipal service uses, including City utility uses and police and fire stations
No minimum
No minimum
Natural open space and conservation areas, public and private
No minimum
No minimum
Offices, as specified in section 21A.33.020 of this title
20,000 square feet
100 feet
Offices, as specified in subsection I of this section
5,000 square feet to 20,000 square feet
50 feet
Places of worship less than 4 acres in size
12,000 square feet
80 feet
Public pedestrian pathways, trails and greenways
No minimum
No minimum
Public/private utility transmission wires, lines, pipes and poles
No minimum
No minimum
Single-family residences
5,000 square feet
50 feet
Two-family dwellings
8,000 square feet
50 feet
Utility substations and buildings
5,000 square feet
50 feet
Other permitted or conditional uses as listed in section 21A.33.020 of this title
20,000 square feet
100 feet
 
   D.   Maximum Building Height: The maximum building height permitted in this district is sixty feet (60') except:
      1.   The height for single-family dwellings and two-family dwellings shall be thirty feet (30'); and
      2.   If the property abuts a zoning district with a greater maximum building height, then the maximum height in the RO District shall be ninety feet (90').
   E.   Minimum Yard Requirements:
      1.   Multi-Family Dwellings And Offices On Greater Than Twenty Thousand Square Foot Lot Area:
         a.   Front Yard: Twenty five feet (25').
         b.   Corner Side Yard: Twenty five feet (25').
         c.   Interior Side Yard: Fifteen feet (15').
         d.   Rear Yard: The rear yard shall be twenty five percent (25%) of the lot depth, but need not exceed thirty feet (30').
      2.   Single-Family, Two-Family Dwellings, And Offices On Lots Less Than Twenty Thousand Square Feet:
         a.   Front Yard: Twenty feet (20').
         b.   Corner Side Yard: Ten feet (10').
         c.   Interior Side Yard:
            (1)   Corner lots: Ten feet (10').
            (2)   Interior lots: Four feet (4') on one side and ten feet (10') on the other.
         d.   Rear Yard: The rear yard shall be twenty five percent (25%) of the lot depth, but need not exceed thirty feet (30').
      3.   Accessory Buildings And Structures In Yards: Accessory buildings and structures may be located in a required yard subject to section 21A.36.020, table 21A.36.020B of this title.
   F.   Required Landscape Yards: The front yard, corner side and, for interior lots, one of the interior side yards shall be maintained as a landscape yard.
   G.   Maximum Building Coverage: The surface coverage of all principal and accessory buildings shall not exceed sixty percent (60%) of the lot area.
   H.   Landscape Buffers: Where a lot in the RO District abuts a lot in a Single-Family or Two-Family Residential District, a landscape buffer shall be provided in accordance with chapter 21A.48 of this title.
   I.   Offices in Existing Buildings on Lots Less Than Twenty Thousand Square Feet: Offices occupying existing buildings are permitted on a five thousand (5,000) square foot minimum lot. Additions to existing buildings that are greater than fifty percent (50%) of the existing building footprint or that exceed the height of the existing building shall be subject to design review (chapter 21A.59 of this title) unless the existing building is using the incentives in section 21A.52.060. (Ord. 56-24, 2024: Ord. 14-19, 2019: Ord. 66-13, 2013: Ord. 15-13, 2013: Ord. 12-11, 2011: Ord. 61-09 § 12, 2009: Ord. 19-01 §§ 1 - 5, 2001: Ord. 26-95 § 2(12-17), 1995)