Animal Ordinances in Twin Falls County, ID (2026)
4 rules for unincorporated Twin Falls County, Idaho.
Verified from official government sources
Dog Leash Laws
County Code section 5-6-4.A bans letting a dog run at large on unincorporated Twin Falls County streets, alleys, or public places, or on private property without the possessor's consent. A dog is compliant only if it is on a leash no longer than ten feet, confined in a vehicle, or in the immediate care of a responsible person.
Dog Leash and At-Large Rules, Twin Falls County
Some RestrictionsTwin Falls County Code § 5-6-4
A. Running At Large: It shall be unlawful for any person to own, harbor, or have in his/her control a dog, whether the dog is licensed or not, which dog is found at large upon the streets or alleys or the County, or in any public place in the County or upon any other premises without the consent of the person in possession of such premises. Said person who owns, harbors or has in his/her contro...
Breed Restrictions
Twin Falls County has no breed-specific dog ban. Instead, County Code section 5-6-1 defines a 'vicious dog' by behavior, one that unprovoked bites, claws, or otherwise threatens people or animals, and section 5-6-7 lets the Sheriff's Office impound any dog believed vicious and take it before the magistrate court for a hearing on destruction.
Vicious Dog Determination in Twin Falls County
Significant RestrictionsTwin Falls County Code §§ 5-6-1, 5-6-7
VICIOUS DOG: ... Any dog, which when unprovoked, has bitten, clawed, or otherwise harmed or constitutes a physical threat to persons or other animals, or a dog whose temperament or habits endanger or menace any person or other animal. This term shall not include a dog that bites, attacks, or menaces a person or other animal that has tormented or injured the dog. ... The People for Pets Humane S...
Cat Rules
In unincorporated Twin Falls County, taking temporary custody of a stray, feral, or abandoned cat to have it spayed or neutered is declared an acceptable and normal practice under Twin Falls County Code § 5-8-1, as long as the cat is trapped humanely, altered by an Idaho-licensed veterinarian, and returned to where it was caught.
Twin Falls County Feral Cat Trap-Neuter Rule
Light RestrictionsTwin Falls County Code § 5-8-1
It is an acceptable and normal practice for a person to take temporary possession of a stray, feral, or abandoned domesticated cat in Twin Falls County for the purpose of having the cat spayed/neutered. For purposes of this section, the cat must be caught in a humane manner, cared for in a humane manner, spayed/neutered by an Idaho-licensed veterinarian, released in the general area where it wa...
Veterinary Clinic Zoning
In unincorporated Twin Falls County, outside the cities' areas of impact, veterinary clinics and dog kennels are a principal permitted use only in the Commercial Zone (C). County Code section 8-6E-2, readopted by Ordinance 295 on August 26, 2026, lists 'dog kennels and veterinary clinics' by right alongside pet stores and medical offices, so no conditional use hearing is required before a clinic opens there.
Twin Falls County Veterinary Clinic Zoning
Some RestrictionsTwin Falls County Code § 8-6E-2
SECTION 8-6E-2: PRINCIPAL DESIGNATED USES: ... Permitted uses shall be subject to compliance with all other provision of this title. 1 ... ... 5. Dog kennels and veterinary clinics.
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