The CO (administrative/professional commercial office) zone is predominantly an office zone for tenants with a professional, institutional, general commercial, or medical orientation.
Limited nonoffice uses may be permitted by a conditional use permit if the use is clearly incidental to and supportive of the primary uses.
(Ord. 408, 1987)
The following administrative and professional office uses are permitted in the CO zone:
A. 
Business and professional offices such as architects, attorneys, accountants, engineers, insurance agencies, real estate, medical, dental, optical and other professional and general business offices;
B. 
Financial institutions;
C. 
Addressing and mailing service, blueprinting and photostating service (other than a printer or lithographer), drafting service, messenger service, stenographic service, telegraph office, answering service, private postal box service, travel agency and similar services typically associated with administrative and professional offices;
D. 
Public and quasi-public offices such as government offices, library, employment office, utility offices and similar uses;
E. 
Similar uses subject to the approval of the zoning administrator.
(Ord. 408, 1987; Ord. 468 § 4, 1990; Ord. 728, 2002)
The following uses are permitted only on the granting of a conditional use permit pursuant to Chapter 17.830:
A. 
Public and quasi-public uses appropriate to and compatible with the area such as hospitals medical or dental laboratory, outpatient care facility, convalescent hospitals, business and technical schools;
B. 
Health club, reducing studio, recreational club and similar uses;
C. 
Funeral services, mortuary, crematorium, drug store or pharmacy associated with medical uses, drive-in or drive-through use related to a permitted use in the zone (subject to Chapter 17.655);
D. 
Café or delicatessen intended to primarily serve employees, clients or visitors of the office district;
E. 
Other uses that the zoning administrator determines, because of type of operation, material stored or sold, or other special circumstances require special consideration and regulations through the conditional use permit procedure.
(Ord. 408, 1987; Ord. 468 § 5, 1990; Ord. 728, 2002; Ord. 878 § 2, 2010; Ord. 1089, 10/14/2025)
The following regulations shall apply to the CO zone:
A. 
Minimum lot area: ten thousand square feet;
B. 
Minimum lot width: one hundred feet;
C. 
Minimum street frontage yard: ten feet except where there is a residentially zoned parcel within the same block, the minimum setback shall be seventy-five percent of the minimum setback for the residential zone, but not less than ten feet;
D. 
Minimum nonstreet frontage yards: ten feet except where residentially zoned property is abutting the CO zone the minimum setback shall be twenty feet. If a public alleyway is separating the two zones, the width of the alleyway may be included as part of the minimum setback, however, in no case shall the setback be less than ten feet;
E. 
Maximum Building Height.
1. 
If the CO zone abuts any residential zone, the maximum height of the structure shall be one story not to exceed twenty feet,
2. 
A two-story structure, not exceeding thirty feet may be permitted abutting a residential zone subject to conditional use permit approval,
3. 
If the CO zone does not abut a residential zone, the maximum height shall be two stories not to exceed thirty feet,
4. 
Structures greater than two stories or thirty feet and not abutting a residential zone may be permitted subject to conditional use permit approval.
(Ord. 408, 1987)