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Solano County, CA Animal Ordinances: Dog Leash Laws (2026)

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

Key Facts

Restraint standard
Leash, lead, chain, heel, or confinement
Strict zones
Parks, schools, commercial districts: seize on sight
Finder's duty
Notify animal control within 24 hours, Sec. 4-16
Hold, licensed animal
5 working days minimum
Hold, unlicensed animal
3 working days minimum
Default penalty
Infraction, up to $500 fine

Summary

Solano County bars dogs and other animals from running at large on any public street, road, alley or unenclosed lot unless restrained by leash, lead or chain, at heel beside a competent handler, or confined. Animals caught at large in a park, school or commercial district must be seized and impounded.

City-specific rules exist: Vacaville, Vallejo, and Fairfield have their own dog leash laws rules that differ from Solano County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

4-13 Running at large - animals

(a) No owner or person having control of any animal shall suffer or permit the same, under any circumstances, to run at large in any public park or public place, or in any school or upon any school grounds, or in any commercial district as defined by this chapter; and every animal found running at large in violation of the provisions of this section shall be immediately seized and impounded.

(b) No person owning, having an interest in, harboring or having charge, care, control, custody or possession of any animal shall cause or permit such animal to be at large in or upon any public street, road, alley or other public place or in or upon any unenclosed lot or premises, unless such animal is under restraint by leash, lead or chain, or at "heel" beside a competent person or obedient to that persons command, or confined.

Source: Solano County Code Chapter 4 (Animals and Fowl)View official code

Official source re-checked September 8, 2026: no newer edition of the code had been published (publisher’s edition: current through Ordinance 1868, passed April 9, 2026).

Full Breakdown

Solano County Code Sec. " Sec. 4-13(a) adds a stricter rule for parks, schools, school grounds, and commercial districts: any animal running at large there must be immediately seized and impounded, with no restraint exception. "At large" is defined in Sec. 4-11(f) as an animal off its owner's premises that is either not under the owner's control and immediate presence, or, if a dog or cat, not under physical restraint or otherwise controlled by a competent person. A person who finds a stray or at-large animal and takes possession of it must notify the animal control director within 24 hours under Sec.

4-16, describing the animal and its license status, or deliver it to the director without charge. Impounded animals are held at least five working days if wearing a license tag, or three working days if unlicensed, before the shelter may proceed to disposition under Sec. 4-43 and Sec. 4-45.

Violations & Fines

An animal found running at large in a public park, school, school ground or commercial district under Sec. 4-13(a) is immediately seized and impounded, with no restraint exception available. General at-large violations of Sec. 4-13(b) are chapter 4 offenses; Sec. 4-170 makes an unspecified violation of chapter 4 an infraction punishable by a fine up to $500, escalating to a misdemeanor if the owner has a prior chapter 4 conviction admitted or alleged in the pleading. Redemption requires paying impoundment costs and satisfying licensing and rabies vaccination requirements before release under Sec. 4-44.

Frequently Asked Questions

Can my dog be off-leash on a Solano County trail if it obeys commands?
Sec. 4-13(b) allows an animal to be at heel beside a competent handler and obedient to that person's command as an alternative to a physical leash, lead or chain. That exception does not apply in parks, schools or commercial districts, where Sec. 4-13(a) requires immediate seizure of any at-large animal regardless of voice control.
What must I do if I find a stray dog in unincorporated Solano County?
Sec. 4-16 requires notifying the animal control director within 24 hours with the animal's description and license information, or delivering the animal to the director without charge, who then handles it as though found at large and impounded.
How long is an at-large dog held before it can be sold or destroyed?
Under Sec. 4-43, a dog wearing a license tag is held at least five working days after impoundment, while an unlicensed dog is held at least three working days, before Sec. 4-45 allows the animal control director to sell it or humanely destroy it if unredeemed.

Sources & Official References

Other rules in Solano County

All Solano County rules

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