No one shall plant in any public place any tree or shrub or any other plant the roots of which will cause injury to the sewers, sidewalks or pavements.
(CAC 10.48.030)
It shall be the duty of any person growing a tree within the public highway or right-of-way or who is responsible for trees growing on property abutting on public places:
A. 
To trim his trees so as not to cause a hazard to the public or interfere with the proper public lighting or street lighting and so that the electrical, telephone or other utility line clearance or any portion thereof shall be nine feet. No flowers, shrubs or trees shall be allowed to overhang or prevent the free use of the sidewalk or roadway, or street maintenance activity, except that trees may extend over the sidewalk when kept trimmed to a height of eight feet above the sidewalk, and 14 feet above a roadway.
B. 
To treat or remove diseased trees or plants, and to treat or remove any tree or plant which creates a nuisance or is a hazard to any public place by reason of being diseased or insect ridden.
C. 
To remove any tree which has become dead or is in such condition as to be hazardous to the public.
D. 
Setbacks.
1. 
Street. On a corner lot, no trees shall be planted or maintained within a triangular area formed by the intersecting street lines and a straight line joining the street lines at points which are 35 feet distant from the point of intersection, measured along the lot lines of the corner lot.
2. 
Sidewalk. No tree may be planted on private property within two feet of any sidewalk or pavement.
(CAC 10.48.040)
Under a permit to improve a planting (parking) strip by grass, flowers, shrubs and trees, a fence with a one-inch by three-inch or wider board along the top, and at least 30 inches high, may be temporarily maintained until such grass, flowers, shrubs and trees shall become thoroughly rooted. The director of development services may order the removal of such fence if it is considered hazardous to the public.
(CAC 10.48.070; AO No. 2003-68, § 9, 9-30-2003)
Tree planting shall conform to any street tree planting standards of the municipality which may be adopted by the municipality, insofar as practical. In the absence of such standards, the director of development services may adopt or act upon any recommendations of the urban beautification commission if, in his opinions, such recommendations are consistent with the public interest.
(CAC 10.48.080; AO No. 2003-68, § 9, 9-30-2003)
Any person violating any provision of sections 24.70.010 through 24.70.070 shall be subject to a civil fine as set forth in section 14.60.030 or, if a penalty is not set forth in section 14.60.030, a civil penalty of not more than $50.00. Each day that the violation continues shall constitute a separate offense.
(CAC 10.48.100; AO No. 93-167(S-1), § 19, 4-13-1994)
No trees shall be allowed to come in contact with telephone, telegraph, electric or power wires of public service companies or of the municipality. When the director of development services shall find that trees are coming in contact with the wires of public service companies or of the municipality, he may order the trees trimmed, and, if not so trimmed within ten days after service of written notice upon the owner of such trees, or the posting of written notice thereof upon the premises, he may issue a permit to the owners of the wires, authorizing them to trim such trees at their own expense. If the work is done by the owners of the wires, the director of development services may accompany them and have charge of the work, and the cost of supervision shall be borne by the owners of the wires.
(CAC 10.48.110; AO No. 2003-68, § 9, 9-30-2003)