Section A
Except in the case of a "seeing eye dog" actually being used by a blind person, a "signal dog" actually being used by a hearing impaired person, or a "service dog" actually being used by a handicapped person, or a police dog being used by any federal, state, county, city or city and county law enforcement agency for any law enforcement purpose, it is unlawful for any person owning or having in charge, care, control, or custody any dog, to cause, allow or permit such dog, whether licensed or unlicensed, on or upon any public street, alley or other public place, unless such dog be kept securely confined by a rope, chain or other leash not over six feet in length securely and continuously held by a competent person, or to permit whether wilfully or through failure to exercise due care or control, any such dogs to commit any nuisance on any property other than the street gutters outside of pedestrian ways or on any improved private property other than that of the owner or persons having charge, care, control or custody of such dog.

For purposes of this section any dog confined within a vehicle shall be deemed to be on the enclosed premises of the operator thereof and any dog securely tied or chained so as to be confined within any unenclosed lot or premises shall be deemed to be on an enclosed lot or premises. It is unlawful for any person owning or having in charge, care, control or custody any dog to suffer or permit any such dog to trespass on private property. Nothing contained in this section shall prevent a dog from being used without a leash to herd, guard, gather or otherwise work domestic animals or fowls in or upon a public place or unenclosed lot or premises or from participating at obedience trials or dog shows or from being without leash upon any public street, alley or way so long as such dog is at heel and so long as such dog is under the charge and control of a person competent to keep such dog under effective charge and control, and so long as such dog does not harm or damage, or threaten to harm or damage, any person on public or private property.

Oakland Municipal Codes
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