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Bernalillo County, NM Animal Ordinances: Mandatory Spay/Neuter (2026)

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

Key Facts

Litter permit sterilization
Required within 120 days
Reclaimed unsterilized stray
Sterilize within 60 days
2nd at-large offense
Sterilize within 30 days
Enforcing agency
Animal Care Services Department
Max penalty
$300 fine, 90 days jail

Summary

Bernalillo County doesn't require spay/neuter for every pet, but litter and intact-animal permits do: unsterilized litters must be fixed within 120 days, and stray dogs or cats impounded twice must be sterilized within 30 days of the second offense.

City-specific rules exist: Albuquerque has its own mandatory spay/neuter rules that differ from Bernalillo County's county-level regulations. If you live in Albuquerque, check the city-specific page instead.

The owner of an intact female dog or cat bred intentionally or unintentionally that does not possess a breeder permit is required to obtain a litter permit for each litter. Subsequent to the issuance of a litter permit, the permitted animal shall be sterilized within 120 days of the issuance of the litter permit.

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 92).

Full Breakdown

Chapter 6 of the county code ties sterilization to specific triggers rather than a blanket mandate. An owner of an intact dog or cat that has a litter without a breeder permit must get a litter permit, and the animal must be sterilized within 120 days of that permit's issuance (Sec. 6-39C). Separately, an owner reclaiming a stray unsterilized dog or cat must sterilize it within 60 days or hold an intact animal permit (Sec. 6-39F), and any animal caught running at large twice must be sterilized within 30 days of the second offense. This applies only in unincorporated Bernalillo County; Albuquerque runs its own animal ordinance and shelter system.

Violations & Fines

Missing a permit's sterilization deadline violates the terms of the litter, breeder, or intact-animal permit and is punishable under the Code's general penalty: up to a $300 fine, 90 days in jail, or both, per Sec. 6-70 and Sec. 1-6.

Frequently Asked Questions

Does Bernalillo County require all pets to be spayed or neutered?
No blanket mandate. Sterilization is triggered by specific situations, a litter permit, reclaiming an unsterilized stray, or a second at-large violation, each with its own deadline under Chapter 6.
Does this rule apply if I live in Albuquerque?
No. Chapter 6 governs only unincorporated Bernalillo County; Albuquerque operates its own animal ordinance and Animal Welfare Department.
What happens if I miss the sterilization deadline?
You're in violation of the permit terms, and Sec. 6-70's penalty applies: a fine up to $300, up to 90 days in jail, or both, under Sec. 1-6.

Sources & Official References

Other rules in Bernalillo County

All Bernalillo County rules

Compare Bernalillo County to another location·View the New Mexico animal ordinances overview

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