Pima County, AZ Public Health Rules: Rodent Control (2026)
Key Facts
- Governing chapter
- Pima County Code 8.40
- Trigger
- Written notice from health officer
- Scope
- Unincorporated county only
- Enforcer
- Pima County Health Department
Summary
Pima County bans rodent harborage on any property in the unincorporated county and requires owners to clear infestations once notified.
No person, being the owner, or person in charge, or occupant of any building, structure, place or premises, shall permit therein any unsanitary or uncontrolled harborage or breeding of rodents or other animals declared by the health officer to be dangerous to the public health.
B. The infestation by or harborage of rodents, lice, bedbugs, roaches, flies, feral bees and wasps, vermin, or other animals in or about any premises is declared to be a public nuisance dangerous to public health. No persons shall cause, maintain or within his control permit such infestation.
C. Failure to keep bee hives in compliance with Pima County Code 18.07.030 (E)(1) or the keeping of a colony which exhibits unusually aggressive characteristics by stinging or attempting to sting without due provocation or which exhibits an unusual disposition towards swarming is declared to be a public nuisance, dangerous to public health. No persons shall cause, maintain, or permit such nuisance within Pima County.
D. Whenever the health officer notifies such person in writing of the evidence of rodent or other animal harborage, he shall take immediate measure to render and maintain such infested premises free of such harborage and breeding places.
E. The owner, occupant or person in control of any place or premises where infestation occurs or exists shall take all necessary and proper steps to eliminate such infestation or harborage. (Ord. 1998-77 § 1, 1998; Prior code § 23.16.010(A))
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: 2026 S-64: Contains Supplement, with local legislation through Ordinance 2026-9, passed 7-28-2026, current through 7-28-2026).
Full Breakdown
In unincorporated Pima County, owners, occupants, or persons in charge of a building or premises may not permit unsanitary or uncontrolled harborage or breeding of rodents that the health officer deems dangerous to public health. Once the health officer gives written notice of rodent evidence, the responsible person must immediately take measures to eliminate it. This does not apply inside Tucson, Marana, Oro Valley, Sahuarita, or South Tucson, which enforce their own codes.
Violations & Fines
A public nuisance dangerous to public health under Section 8.40.010; penalties are set by the general Chapter 8.04 health code penalty provision.
Frequently Asked Questions
Does this rule apply inside Tucson?
What must I do after a rodent notice?
Sources & Official References
Other rules in Pima County
Compare Pima County to another location·View the Arizona public health rules overview
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