Except as provided in Sections 18.108.040 and 18.116.010, no trailer (mobilehome) shall be occupied or used for living or sleeping purposes unless it is located in a licensed trailer park, provided that a trailer may be used as an office for a construction project.
(Prior code § 2-10.26)
Trailer parks permitted as conditional uses in the RM and C-F districts shall comply with the regulations prescribed in Chapter 18.84 of this title, except as provided in this section:
A. 
The minimum site area for trailer park shall be five acres, provided that preexisting trailer park shall be five acres, conforming by reason of failure to meet the minimum site area requirement. A preexisting trailer park conforming in all respects except site area may be expanded, but shall not be reduced in area.
B. 
There shall be 4,000 square feet of site area for each trailer space. A preexisting trailer park shall not be deemed nonconforming by reasons of failure to meet the minimum site area per trailer space requirement, and may be enlarged, provided that there shall be 4,000 square feet of additional site area for each trailer space added.
C. 
A trailer park shall meet the usable open space requirements for the district in which it is located; provided, that a trailer park in a C-F district shall meet the open space requirements for the RM-1,500 district; and provided, that each trailer park shall have in addition at least one recreation space not less than 5,000 square feet in area and suitably developed for the use of residents of the trailer park.
D. 
Not more than one dwelling unit shall be located on the site of a trailer park in a C-F district.
E. 
No trailer or dwelling unit shall be located in a required yard or less than 20 feet from a street property line or another trailer or less than 15 feet from a property line not abutting a street.
F. 
All areas used for automobile circulation or parking shall be improved as prescribed for required parking facilities in Section 18.88.040.
G. 
The site shall be landscaped as required in Sections 18.84.130 through 18.84.260, and shall have additional landscaping, including trees, shrubs, and lawn, as determined by the board of design review to provide a suitable setting.
(Prior code § 2-10.28)
A trailer may be occupied or used for living or sleeping purposes on a developed public or private school site or college site, provided that such trailer is occupied for the purpose of reducing vandalism and other damage to school facilities. A conditional use permit, in accordance with Chapter 18.124 of this title, is required for installation of a trailer.
(Prior code § 2-10.29)