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Hawaii County, HI Animal Ordinances: Mandatory Spay/Neuter (2026)

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

Key Facts

Sterilized dog fee
$2.00 biennial, § 4-4-1
Unsterilized dog fee
$6.00 biennial, § 4-4-1
Proof required
Vet certificate, § 4-4-2
General mandate
None; fee incentive only
Court-ordered exception
Dangerous-dog sentencing, § 4-4-35(b)(9)

Summary

Hawai'i County does not mandate spaying or neutering. HCC § 4-4-1 sets a biennial dog license fee of $2 for a sterilized dog versus $6 for an unsterilized dog, and § 4-4-2 requires a veterinarian's certificate to claim the lower rate. Cats carry no license or sterilization requirement at all.

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

Section 4-4-1. Fees. (a) The following fees are hereby established as biennial license fees for the privilege of owning, harboring or keeping of dogs in the County: (1) Sterilized dogs...$2.00 (2) Unsterilized dogs...$6.00 (b) For purpose of this section a sterilized dog means a spayed female dog and a neutered male dog. ... Section 4-4-2. Proof of sterilization. Any person seeking to have the person's dog licensed at the sterilized dog rate must present a certificate from a veterinarian licensed to practice within the State showing the description, age, and breed of the dog and certifying its sterilization.

Full Breakdown

The County's only sterilization-linked rule sits in the dog licensing chapter, not in a separate spay/neuter mandate. ' To pay the lower rate, § 4-4-2 requires the owner to 'present a certificate from a veterinarian licensed to practice within the State showing the description, age, and breed of the dog and certifying its sterilization'; without that certificate, the agency bills the unsterilized rate regardless of the dog's actual status. Nothing in Chapter 4 requires an owner to have a dog sterilized, and there is no equivalent provision for cats, which are not licensed at all.

' Outside that court-ordered scenario tied to a dangerous-dog conviction, sterilization in Hawai'i County remains the owner's financial choice, priced through the license-fee spread rather than commanded by ordinance.

Violations & Fines

There is no fine for failing to sterilize a dog. The only exposure is paying the higher $6 unsterilized license fee under § 4-4-1, or, separately, an unsterilized dog found at large without its tag is deemed unlicensed and impounded under § 4-4-21, with a $10 impoundment fee plus $5 per day held past 48 hours.

Frequently Asked Questions

Does Hawai'i County require dogs to be spayed or neutered?
No. The code only sets a lower biennial license fee, $2 versus $6, for a sterilized dog under HCC § 4-4-1. Sterilization itself is never mandatory unless a court orders it as a sentencing condition after a dog is convicted of negligently attacking someone under § 4-4-32.
What proof do I need to get the lower license fee?
A certificate from a Hawai'i-licensed veterinarian stating the dog's description, age, and breed and certifying the sterilization, per HCC § 4-4-2. Without that certificate on file, the animal control and protection agency will bill the dog at the $6 unsterilized rate even if it has actually been fixed.
Are cats covered by any sterilization fee or rule?
No. Hawai'i County does not license cats at all, so the sterilized/unsterilized fee spread in § 4-4-1 applies only to dogs. Owners choosing to fix a cat do so purely as a private veterinary decision, with no County fee, permit, or paperwork involved either way.

Sources & Official References

Other rules in Hawaii County

All Hawaii County rules

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