Article 28.
CO Administrative and Professional Office District.
§ 26-28-005 Purpose.
§ 26-28-010 Permitted uses.
§ 26-28-020 Uses permitted
with a use permit.
§ 26-28-030 Building
intensity and development criteria.
Purpose: to implement Section 2.3 of the general plan by providing appropriately located areas for the development of administrative and professional office space together with landscaping and off-street parking facilities in locations within urban service areas designated in the general plan. To implement the commercial objectives of adopted redevelopment plans within redevelopment project areas in the general plan. It is intended that the administrative, professional and limited business office uses permitted in this district shall be designed and landscaped so as to be harmonious with adjacent residential uses. (Ord. No. 4643, 1993.)
Sec. 26-28-010. Permitted uses.
Permitted uses include the following:
(a) Professional, administrative and general business offices;
(b) Medical and dental clinics and laboratories;
(c) Financial offices, such as banks and savings and loan offices;
(d) Accessory buildings and uses normally incidental and appurtenant to any permitted uses;
(e) Occasional cultural events; provided, that a written notice stating “The Sonoma County Planning Department will issue a zoning permit for a cultural event (state nature and duration) on this property if a written appeal is not received with ten (10) days from the date of this notice.” is posted on the property at least ten (10) days prior to issuance of a zoning permit, and no appeal pursuant to Section 26-92-040 has been received from any interested person, and provided that approval is secured from the following departments: sheriff, public health, fire services, building inspection and public works. In the event of an appeal a hearing on the project shall be held pursuant to Section 26-92-040;
(g) Beekeeping;
(h) Attached commercial telecommunication facilities subject to the applicable criteria set forth in Section 26-88-130;
(i) Minor and intermediate freestanding commercial telecommunication facilities fifty feet (50') or less in height subject to the applicable criteria set forth in Section 26-88-130;
(j) Noncommercial telecommunication facilities eighty feet (80') or less in height subject to the applicable criteria set forth in Section 26-88-130;
(k) Small wind energy systems not located within a county-designated urban service area or within two thousand five hundred feet (2,500') of a county-designated urban service area, subject to zoning permit approval and the standards in Section 26-88-135;
(l) Home occupations subject to the requirements of Section 26-88-121 and approval of a zoning permit. (Ord. No. 5569 § 7, 2005; Ord. No. 5435 § 2(r), 2003; Ord. No. 5342 § 3, 2002; Ord. No. 4973 § 8(a), 1996; Ord. No. 4643, 1993.)
Sec. 26-28-020. Uses permitted with a use permit.
Uses permitted with a use permit include the following:
(a) One (1) dwelling unit on a permanent foundation per lot, subject, at a minimum, to the following criteria and provided that no commercial use may be permitted unless the dwelling unit is removed or converted to another use in accordance with this district:
(1) The property is not located within a redevelopment project area identified on the general plan land use map,
(2) The property has constraints or is of such a size as to make it infeasible to develop with the commercial uses allowed by zoning,
(3) The unit complies with setbacks, building heights and other standards of the applicable zoning district,
(4) The unit meets other conditions which may result from the application review process;
(b) One (1) dwelling unit on a permanent foundation per lot, if compatible with and secondary to an existing or proposed commercial use, and provided that the property has not otherwise been developed with a dwelling unit;
(c) Mixed Use Developments. Additional dwelling units for permanent occupancy as part of a mixed commercial/residential development, provided that the property is located within an urban service area as defined in the general plan and that the residential units complement and are compatible with an existing or proposed commercial use, subject to the provisions of Section 26-88-123, Mixed use developments;
(d) Churches;
(e) Public playgrounds, parks, community centers, libraries, museums and similar uses and buildings;
(f) Minor public service uses or facilities (transmission and distribution lines and telecommunication facilities excepted), including but not limited to reservoirs, storage tanks, pumping stations, telephone exchanges, small power stations, transformer stations, fire and police stations and training centers, service yards and related parking lots which, at a minimum, meet the criteria of general plan Policy PF-2s and which are not otherwise exempt by state law;
(g) Exploration and development of low temperature geothermal resources for other than power development purposes provided that at a minimum it is compatible with surrounding land uses;
(h) Major medical facilities;
(i) Commercial planned developments and commercial condominiums. Compatibility and provision of amenities shall be required and unique characteristics, design innovation and creativity shall be additional criteria utilized in evaluating such development. The minimum lot size and required yards of Section 26-28-030 shall not apply to such development. Conversions of existing buildings to commercial condominium or commercial planned development may be accomplished by use permit waiver pursuant to Section 26-28-010(g) and applicable Sections of Chapter 25 of this code;
(j) Day care center;
(k) Large residential community care facility;
(l) Gymnasiums, health clubs, spas and similar uses;
(m) Veterinary clinics;
(n) Intermediate freestanding commercial telecommunication facilities greater than fifty feet (50') in height, subject at a minimum to the applicable criteria set forth in Section 26-88-130;
(o) Noncommercial telecommunication facilities greater than eighty feet (80') in height subject at a minimum to the applicable criteria set forth in Section 26-88-130;
(p) Small wind energy systems located within a county-designated urban service area or within two thousand five hundred feet (2,500') of a county-designated urban service area, subject to the standards in Section 26-88-135;
(q) Live/work uses in conjunction with a legally established single family residential unit subject to the requirements of Section 26-88-122. Live/work uses shall not be permitted in a mixed use development, SRO unit, or caretaker unit;
(r) Other nonresidential uses which in the opinion of the planning director are of a similar and compatible nature to those described in this section. (Ord. No. 5569 §§ 5, 7, 2005; Ord. No. 5435 § 2(q), 2003; Ord. No. 4973 § 8 (b), (c), 1996; Ord. No. 4643, 1993.)
Sec. 26-28-030. Building intensity and development criteria.
The use of land and structures within this district is subject to this article, the applicable regulations of this chapter, and the provisions of any district which is combined herewith. Policies and criteria of the general plan and any applicable specific or area plan or local area development guidelines shall supersede the standards herein.
(a) Building Intensity. The maximum building intensity of the use of a site shall be determined by multiplying the maximum building height limit and the maximum coverage of the lot in square feet. This specified height or lot coverage limits may be modified if a use permit is first secured and if the maximum building intensity is not exceeded.
(b) Maximum Building Height.
(1) Thirty-five feet (35'), provided, however, that additional height may be permitted subject to subsection (a) of this section.
(2) Maximum height for telecommunication facilities is subject to the provisions of this article and Section 26-88-130.
(c) Minimum Lot Size.
(1) Where both public sewer and public water services are provided or where public sewer service alone is provided, eight thousand (8,000) square feet;
(2) Where public water service alone is provided, one (1) acre;
(3) Where neither public sewer service nor public water service is provided, one and one-half (1.5) acres.
(d) Maximum Lot Coverage. Fifty percent (50%) provided, however, that additional coverage may be permitted subject to subsection (a) of this section.
(e) Yard Requirements. The following shall apply except that if the subject property adjoins land which is zoned AR or is designated as agricultural land, the use is subject to the requirements of Section 26-88-040(g).
(1) Front Yard. Not less than fifteen feet (15') provided, however, that no structure shall be located closer than forty-five feet (45') to the centerline of any public or private road, street or highway.
(2) Side Yard. Not less than five feet (5') or fifty percent (50%) of the building height, whichever is greater.
(3) Rear Yard. Not less than ten feet (10') or fifty percent (50%) of the building height, whichever is greater.
(f) Parking Spaces. Parking shall be provided in accordance with the standards established in Article 86.
(g) Design Review. Design review approval shall be required for all permitted uses or as otherwise provided herein in the manner provided in Article 82. (Ord. No. 4973 § 8(d), 1996; Ord. No. 4643, 1993.)