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Butte County, CA Animal Ordinances: Microchipping (2026)

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

Key Facts

Microchip requirement
Dangerous-animal permit holders only, Sec. 4-51(i)
Leash limit off-property
3 feet maximum
Required insurance
$100,000 liability minimum
Surrender window after revocation
3 calendar days
Enforcing agency
Public Health Director
Default penalty
Up to $1,000/6 months, Sec. 1-7(a)

Summary

Butte County does not require microchips for ordinary pets, but Section 4-51 of the dangerous animal permit article makes chip implantation mandatory for any animal already declared dangerous. As a condition of keeping the animal, the owner must pay to have a microchip assigned by the public health department implanted, on top of a three-foot maximum leash, a secure enclosure, warning signage and $100,000 in liability insurance.

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

(h)In addition to any registration tag required to be worn pursuant to this chapter, the animal shall at all times wear a separate tag issued by the public health director designating it as a dangerous animal.(i)The owner of the animal shall, at his or her expense, have a microchip assigned by the public health department, implanted.

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 61).

Full Breakdown

Article VII of Chapter 4 governs animals the public health director has declared dangerous, and Section 4-51 lists the conditions an owner must meet to keep such an animal under permit. Subsection (i) requires the owner, at his or her own expense, to have a microchip assigned by the public health department implanted in the animal, on top of the separate dangerous-animal registration tag it must wear under Subsection (h). The same section layers on other mandatory conditions: the animal must be leashed with no more than a three-foot lead and under the direct control of a responsible adult whenever it leaves the property, kept in a secure fenced yard, kennel, run or enclosure approved by an animal control officer, and never tethered or staked in the open.

Every entrance to the property must carry a conspicuous warning sign describing the animal, and the owner must tell everyone living on the premises that a dangerous animal permit is in effect. Before the permit issues, Section 4-51(j) requires proof of financial responsibility, generally a certificate of liability insurance of at least $100,000 covering injury or death the animal might cause, with the insurer required to notify the public health director at least thirty days before any cancellation or lapse. Section 4-52 lets the animal control officer inspect the property at any reasonable hour as a condition of the permit.

Violations & Fines

Failing to comply with any Section 4-51 condition, including the microchip requirement, is grounds for permit revocation under Section 4-53: the public health director can mail written notice and hold an informal hearing at least five days later, then modify or revoke the permit. A revoked or denied permit gives the owner three calendar days to surrender the animal to Animal Control or file a sworn declaration that it has permanently left the county. Because Article VII sets no separate fine, a straight violation defaults to the general penalty in Section 1-7(a): up to $1,000 and six months in jail.

Frequently Asked Questions

Does Butte County require every dog to be microchipped?
No. The county's microchip mandate in Section 4-51(i) applies only to animals already under a dangerous animal permit. Owners of a declared dangerous animal must pay to have a microchip implanted by the public health department as one of several mandatory permit conditions.
What else must a dangerous animal owner do besides microchip the animal?
Section 4-51 also requires a leash no longer than three feet off the property, a secure fenced enclosure approved by animal control, a warning sign at every entrance, notice to household members, a separate dangerous-animal tag, and proof of at least $100,000 in liability insurance.
What happens if a dangerous animal owner ignores the microchip condition?
The public health director can revoke the permit under Section 4-53 after mailed notice and an informal hearing held at least five days later. Once revoked, the owner has three calendar days to surrender the animal to Animal Control or prove in a sworn declaration that it has left the county.

Sources & Official References

Other rules in Butte County

All Butte County rules

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