Earlier editions: 2026-09
Title 11 — STREETS AND SIDEWALKS
Rialto Municipal Code Ch. 11.08 Street Trees—vegetation
Rialto Municipal Code · 2026-10 edition · updated 2026-10-04 · Rialto
Cite as: Rialto Municipal Code Chapter 11.08 · Text as of 2026-10-04
Footnotes:
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For statutory provisions regarding tree planting bordering municipal streets and roads, see Str. & H. Code § 1808. Prior ordinance history: 1965 code Title XIII, Ch. 5, §§ 1 — 13 and Ord. 944.
11.08.010 - Definitions.¶
As used in this chapter:
A. "City" means the city of Rialto.
B. "Department" means the city public services department.
C. "Director" means the city public services director or his/her authorized representative.
D. "Maintain" or "maintenance," when used in reference to street trees, means and includes pruning, trimming, root pruning, spraying, mulching, fertilizing, cultivating, supporting, protecting, treating of disease or injury, or any act which promotes growth, health or beauty of street trees.
E. "Person" means any individual, partnership, corporation or association, and to the extent of the city's jurisdiction, any public entity.
F. "Planting strip" or "parkway" means that portion of the public right-of-way between the curb, or curbline, and the abutting property line used for the purpose of planting street trees.
G. "Public property" means any area owned or controlled by the city.
H. "Public tree" means any tree planted on public property.
I. "Street tree" means any tree planted in a planting strip, parkway or tree well.
J. "Tree" means any woody plant usually having one erect perennial trunk bearing the foliage or crown at least sixteen feet above ground level upon maturity.
(Ord. 1234 (part), 1995: Ord. 1081 § 1 (part), 1989)
11.08.020 - Jurisdiction and control.¶
The planting and maintenance of all trees in or upon any street, park, parkway or public property in the city, and the pruning, trimming and removal of the same, shall be at all times subject to the supervision of the director, under the authority of the city council. The director may authorize the removal or pruning by the city or by any other person, as provided in this chapter, of any tree in or upon any street, park, parkway or public property which interferes with the construction of any driveway, sidewalk, curb or other construction work, or the maintenance thereof, or any tree which is dead, or which creates a hazard to the public safety or public utility or which does not conform to the type or variety designated for the particular place in which the same is situated.
(Ord. 1081 § 1 (part), 1989)
11.08.030 - Street tree plan.¶
The director shall develop and maintain a street tree plan as approved by the city council upon the recommendation of the recreation and social services commission including a master list of trees approved for planting in streets and parkways throughout the city. The plan will also include rules and regulations governing the planting, location, spacing and maintenance of the various varieties of the listed trees. The director shall designate the kind and variety of trees to be planted upon any street, park, parkway or public property of the city and the location, spacing and planting procedure to be followed. No persons shall plant or install any tree upon any portion of any street, park, parkway or other public property which does not conform to the type, variety, location and spacing designated by the director for that area. Owners of property however, fronting upon any street for which a type or variety of tree has not been designated or who are dissatisfied with such designation, may petition the director to designate such type and variety or to change the designation. If they are dissatisfied with the action of the director they may appeal to the city administrator then the recreation and social services commission which shall have the authority to change the designation. Any action of the director, or the city administrator, or of the commissions may be set aside, changed or altered by the city council.
Any person or entity appearing before or submitting evidence to the commission with respect to the director or city administrator action may appeal the decision of the commission to the city council within fifteen days of the commission's decision. The city council shall conduct a public hearing on the appeal within thirty days of the appeal and shall render a decision within forty-five days of the conclusion of said hearing.
(Ord. 1234 (part), 1995: Ord. 1081 § 1 (part), 1989)
11.08.040 - Responsibility of property owner and occupant with regard to abutting street trees.¶
The owner and occupant of nonresidential property with abutting street trees shall be responsible for providing an adequate irrigation system for watering of such trees. The owner and occupant of residential property with abutting street trees shall be responsible for providing adequate watering of such trees.
(Ord. 1234 (part), 1995: Ord. 1081 § 1 (part), 1989)
11.08.050 - Infestation or infection of trees.¶
It shall be the responsibility of all property owners to treat or remove any diseased or insect-infested trees, shrubs, plants, grass or other vegetation located on their property which constitutes a hazard to trees, shrubs or plants located on public property and/or to the general public health and/or a safety hazard. The director may require property owners to take such action as is necessary to control insects, diseases or other injurious plant pests that would cause injury and/or death to street trees, shrubs and plant material within the city. The director will notify the property owner in writing, describing the conditions, establishing a reasonable time period for taking action and any possible course of action.
Any objections by the property owner will be reviewed by a qualified specialist. If further action is necessary, the owner must institute appropriate procedures within the time specified.
(Ord. 1081 § 1 (part), 1989)
11.08.060 - Declaration of public nuisance and abatement procedures.¶
A. Declaring a Nuisance. If any property owner fails to follow required procedures as described in Section 11.08.050, the city council may declare, by resolution, any hazardous trees, shrubs or plants a public nuisance. The resolution shall describe the property upon which the trees are located, the threat to the public interest, and an abatement plan.
B. Notice. Notice of the resolution and date on which the city council shall hear objections shall be given to the property owner as follows:
Posting. Notice shall be conspicuously posted on or in front of the property on which the nuisance exists. Notices shall be posted at least five days prior to the time when the city council will hear objections.
Mail. In addition to posting notices of the resolution and hearing date, the director shall mail written notices of the proposed abatement to all persons owning property described in the resolution, provided the identity of said owners can be ascertained by reasonable efforts.
C. Hearing. At the time stated in the notices, the city council shall hear and consider all objections to the proposed treatment or removal of the trees, shrubs or plants. By motion or resolution at the conclusion of the hearing, the city council shall allow or overrule any objections. At that time the city council acquires authority to proceed and perform the treatment or removal.
D. Abatement Order. If objections have not been made or after the legislative body has disposed of those made, the council shall order the director to abate the nuisance. The order shall be made by motion or resolution.
E. Entry to Abate. The director may enter upon private property and take any action necessary to abate the nuisance, including spraying, trimming, pruning, treating or removing all or part of the affected tree, shrub or plant.
F. Emergency Abatement Procedures. If any trees, shrubs or plants, diseased or otherwise pose an immediate threat to human life, the director may take such action as is necessary to abate such a hazard upon twenty-four-hour notice to the property owner, where possible and unless to delay action would without question endanger lives or property. Notice shall be given in the manner most likely to reach the owner within the twenty-four-hour period. The city shall take steps to protect the public from any potential injury while the twenty-four-hour period runs. Any costs associated therewith may be assessed against the affected parcel pursuant to the following subsection.
G. Costs. The cost of abatement in front of or upon each parcel of land constitutes a special assessment against the parcel. After the assessment is made and confirmed, it shall become a lien on the parcel.
(Ord. 1234 (part), 1995: Ord. 1081 § 1 (part), 1989)
11.08.070 - Permission required for planting and removal of street trees.¶
Except as otherwise provided in this chapter, it shall be unlawful for any person to plant or remove any street trees without prior written permission from the director and in accordance with Section 11.08.030. The director may grant permission subject to the condition that any removed street tree be replaced by a tree in accordance with Section 11.08.030. Such permission shall be valid for a period of thirty days after its date of issuance.
(Ord. 1081 § 1 (part), 1989)
11.08.080 - Reimbursement for removed or damaged public trees.¶
The city may require reimbursement from persons responsible for removing or damaging public trees. Reimbursement may include the value of the tree, costs incurred in procurement and replacement, and costs incurred for treatment of such trees. Costs shall be determined by the director.
(Ord. 1234 (part), 1995: Ord. 1081 § 1 (part), 1989)
11.08.090 - Destruction, defacement or injury to public trees.¶
A. It is unlawful for any person to destroy, deface or injure any public tree through wilful intent or negligence.
B. No person shall cause, authorize or permit any brine water, oil, liquid dye or other substance deleterious to tree life to lie, leak, pour, flow or drip upon or into the soil about the base of any tree, shrub or plant in any street, park, parkway or public property of the city or onto any sidewalk, road or pavement within the city at a point from which such substance may flow, drip or seep into such soil, injure such tree, shrub or plant. No person, without the written approval of the director shall place or maintain any stone, cement or other substance so that it shall substantially impede the free access of water or air to the roots of any tree, shrub or plant in any street, park, parkway or public property of the city.
C. No person, without the written permission of the director shall place, apply, attach or keep attached to any tree, shrub or plant in any street, park, parkway or public property of the city, or to the other guard or stake intended for the protection thereof, any wire, rope, sign, paint or any other substance, structure, thing or device of any kind or nature whatsoever which shall be injurious to the tree, shrub or plant, or which shall be a public nuisance.
(Ord. 1081 § 1 (part), 1989)
11.08.100 - Protection of public trees during construction work.¶
During the erection, repair, alteration or removal of any building house or structure in the city, no person in charge of such work shall leave any tree, in any street, park, parkway or public place of the city in the vicinity of such building or structure without such good and sufficient guards or protectors as shall prevent injury to such tree, arising out of or by reason of such erection, repair, alteration or removal.
(Ord. 1081 § 1 (part), 1989)
11.08.110 - Preventing encroachment or hazard.¶
A. No person owning or controlling property abutting upon any public street, parkway or public property in the city upon which property are located any hedges, trees, shrubs or plants shall permit said plantings to encroach upon or to overhang the sidewalk, parkway, curb or street in such a manner as to impede or interfere with vehicular or pedestrian traffic, drainage flow, or maintenance thereof, or to create a hazardous condition; and such person shall keep plantings trimmed as the public convenience and this section require.
B. If any such person violates or fails to comply with the requirements or provisions of this section, he/she shall be guilty of a misdemeanor and punishable accordingly; and in addition, if any such tree, hedge, shrub or plant is not maintained and trimmed as required by this section within ten days after notice in writing thereof is given to such person by the director, the same shall be deemed a public nuisance and may be abated by the city as such and the cost of such abatement shall be imposed upon and collected from such person.
(Ord. 1234 (part), 1995: Ord. 1081 § 1 (part), 1989)
11.08.120 - Interfering with objects on public property.¶
It is unlawful for any person to place or maintain upon any public property any material objects, including plant material, which may interfere with the planting, maintenance, removal or health of public trees. The director may notify the responsible person in writing and establish a reasonable amount of time in which said person shall remove any such object. If removal is not accomplished within the time specified, the same shall be deemed a public nuisance and it shall be lawful for the city to remove such objects, and costs thereof may be assessed to the responsible person.
(Ord. 1081 § 1 (part), 1989)
11.08.130 - Interfering with director.¶
No person shall interfere with the director or persons acting under his/her authority while engaged in planting, mulching, pruning, trimming, spraying, treating or removing any tree, shrub or plant in any street, park, parkway or public property of the city, or in the removing of any substance or plant material from about the trunk or roots of any tree, shrub or plant in any such street, park, parkway or public property.
(Ord. 1234 (part), 1995: Ord. 1081 § 1 (part), 1989)
11.08.140 - Maintenance of shrubs and plants in parkways.¶
A. Every person in possession or control of any property abutting upon any parkway, whether separated therefrom by a sidewalk or not, shall be responsible for the maintenance and shall maintain such parkway or parkways abutting such property free of trash and debris, shall adequately maintain and care for any hedge, shrub, plants or grass in such parkway in a healthy, neat and orderly condition. The city shall maintain all provided trees in parkways.
B. If any person violates or fails to comply with the requirements or provisions of this section, he/she shall be guilty of an infraction and punishable accordingly; and in addition, if any such hedge, shrub, plants or grass are not maintained and trimmed as required by this section within ten days after notice in writing thereof is given to such person by the city, the same shall be deemed a public nuisance and may be abated by the city as such and the cost of such abatement shall be imposed upon and collected from such person.
(Ord. 1234 (part), 1995: Ord. 1081 § 1 (part), 1989)
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