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Thurston County, WA Animal Ordinances: Breed Restrictions (2026)

Significant Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Basis for designation
Behavior, not breed
Dangerous dog registration fee
$75/year
Required insurance/bond
$250,000 minimum
Potentially-dangerous violation
Misdemeanor
Dangerous-dog violation
Gross misdemeanor

Summary

Thurston County has no breed ban: dogs are declared potentially dangerous or dangerous based on documented behavior, not breed.

These county ordinances apply to unincorporated areas of Thurston County. Incorporated cities within the county may have their own rules that take precedence over county-level regulations.

A dog shall be declared potentially dangerous if, unprovoked, it: a. Inflicts bites on a human or a pet or domestic animal either on public or private property; or b. Chases or approaches a person upon the streets, sidewalks or any public grounds in a menacing fashion or apparent attitude of attack; or c. Has a known propensity to attack unprovoked, or to cause injury or otherwise to threaten the safety of humans or pet or domestic animals.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 77).

Full Breakdown

The county board or its designee can declare a dog potentially dangerous after an unprovoked bite, menacing charge, or a known propensity to attack, and dangerous after a severe unprovoked injury to a person, an unprovoked kill of another animal, or a repeat attack after an earlier potentially-dangerous finding. Declarations trigger mandatory leashing, muzzling, or secure confinement, and dangerous-dog owners must post warning signs, carry a $250,000 bond or liability policy, and pay a $75 annual registration fee on top of the regular dog license.

Violations & Fines

Violating confinement/leash restrictions on a potentially dangerous dog is a misdemeanor; doing so for a declared dangerous dog is a gross misdemeanor, and the dog can be seized and impounded at the owner's expense.

Frequently Asked Questions

Does Thurston County ban specific dog breeds like pit bulls?
No. The county code classifies dogs as potentially dangerous or dangerous based on documented bites, attacks, or menacing conduct: breed is never a factor.
What must an owner do once a dog is declared dangerous?
Keep it muzzled and leashed off-property or securely confined in a locked, escape-proof structure on-property, post a warning sign, and carry a $250,000 bond or liability policy plus a $75 annual registration fee.

Sources & Official References

Other rules in Thurston County

Dog Leash LawsSome RestrictionsChickens & LivestockSome RestrictionsBeekeepingSome RestrictionsPet Groomer RulesFew RestrictionsExotic PetsSignificant RestrictionsPet Store RulesSome RestrictionsPet LimitsSignificant RestrictionsVeterinary Clinic ZoningSome RestrictionsMandatory Spay/NeuterSome RestrictionsCat RulesSome RestrictionsMicrochippingLight RestrictionsNoise Ordinances: Barking DogsSome RestrictionsParking Rules: Loading ZonesSome RestrictionsParking Rules: Driveway RulesSome RestrictionsParking Rules: Abandoned VehiclesSome RestrictionsFence Regulations: Retaining WallsSome RestrictionsFire Regulations: FireworksSome Restrictions

All Thurston County rules

How Thurston County compares: Cities with No Dog Breed Restrictions·Compare Thurston County to another location·View the Washington animal ordinances overview

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